

Release Notes - Hive - Version 2.0.1

** Sub-task
    * [HIVE-13362] - Commit binary file required for HIVE-13361


** Bug
    * [HIVE-9499] - hive.limit.query.max.table.partition makes queries fail on non-partitioned tables
    * [HIVE-9862] - Vectorized execution corrupts timestamp values
    * [HIVE-10729] - Query failed when select complex columns from joinned table (tez map join only)
    * [HIVE-12064] - prevent transactional=false
    * [HIVE-12165] - wrong result when hive.optimize.sampling.orderby=true with some aggregate functions
    * [HIVE-12552] - Wrong number of reducer estimation causing job to fail
    * [HIVE-12749] - Constant propagate returns string values in incorrect format
    * [HIVE-12799] - Always use Schema Evolution for ACID
    * [HIVE-12887] - Handle ORC schema on read with fewer columns than file schema (after Schema Evolution changes)
    * [HIVE-12894] - Detect whether ORC is reading from ACID table correctly for Schema Evolution
    * [HIVE-12937] - DbNotificationListener unable to clean up old notification events
    * [HIVE-12990] - LLAP: ORC cache NPE without FileID support
    * [HIVE-12992] - Hive on tez: Bucket map join plan is incorrect
    * [HIVE-13036] - Split hive.root.logger separately to make it compatible with log4j1.x (for remaining services)
    * [HIVE-13051] - Deadline class has numerous issues
    * [HIVE-13056] - delegation tokens do not work with HS2 when used with http transport and kerberos
    * [HIVE-13079] - LLAP: Allow reading log4j properties from default JAR resources
    * [HIVE-13083] - Writing HiveDecimal to ORC can wrongly suppress present stream
    * [HIVE-13086] - LLAP: Programmatically initialize log4j2 to print out the properties location
    * [HIVE-13090] - Hive metastore crashes on NPE with ZooKeeperTokenStore
    * [HIVE-13093] - hive metastore does not exit on start failure
    * [HIVE-13105] - LLAP token hashCode and equals methods are incorrect
    * [HIVE-13108] - Operators: SORT BY randomness is not safe with network partitions
    * [HIVE-13110] - LLAP: Package log4j2 jars into Slider pkg
    * [HIVE-13111] - Fix timestamp / interval_day_time wrong results with HIVE-9862 
    * [HIVE-13115] - MetaStore Direct SQL getPartitions call fail when the columns schemas for a partition are null
    * [HIVE-13126] - Clean up MapJoinOperator properly to avoid object cache reuse with unintentional states
    * [HIVE-13134] - JDBC: JDBC Standalone should not be in the lib dir by default
    * [HIVE-13144] - HS2 can leak ZK ACL objects when curator retries to create the persistent ephemeral node
    * [HIVE-13151] - Clean up UGI objects in FileSystem cache for transactions
    * [HIVE-13153] - SessionID is appended to thread name twice
    * [HIVE-13199] - NDC stopped working in LLAP logging
    * [HIVE-13200] - Aggregation functions returning empty rows on partitioned columns
    * [HIVE-13232] - Aggressively drop compression buffers in ORC OutStreams
    * [HIVE-13236] - LLAP: token renewal interval needs to be set
    * [HIVE-13240] - GroupByOperator: Drop the hash aggregates when closing operator
    * [HIVE-13242] - DISTINCT keyword is dropped by the parser for windowing
    * [HIVE-13243] - Hive drop table on encyption zone fails for external tables
    * [HIVE-13255] - FloatTreeReader.nextVector is expensive 
    * [HIVE-13263] - Vectorization: Unable to vectorize regexp_extract/regexp_replace " Udf: GenericUDFBridge, is not supported"
    * [HIVE-13279] - SHOW TABLE EXTENDED doesn't show the correct lastUpdateTime of partition's file system
    * [HIVE-13285] - Orc concatenation may drop old files from moving to final path
    * [HIVE-13286] - Query ID is being reused across queries
    * [HIVE-13294] - AvroSerde leaks the connection in a case when reading schema from a url
    * [HIVE-13296] - Add vectorized Q test with complex types showing count(*) etc work correctly
    * [HIVE-13299] - Column Names trimmed of leading and trailing spaces
    * [HIVE-13310] - Vectorized Projection Comparison Number Column to Scalar broken for !noNulls and selectedInUse
    * [HIVE-13313] - TABLESAMPLE ROWS feature broken for Vectorization
    * [HIVE-13324] - LLAP: history log for FRAGMENT_START doesn't log DagId correctly
    * [HIVE-13327] - SessionID added to HS2 threadname does not trim spaces
    * [HIVE-13330] - ORC vectorized string dictionary reader does not differentiate null vs empty string dictionary
    * [HIVE-13346] - LLAP doesn't update metadata priority when reusing from cache; some tweaks in LRFU policy
    * [HIVE-13361] - Orc concatenation should enforce the compression buffer size
    * [HIVE-13379] - HIVE-12851 args do not work (slider-keytab-dir, etc.)
    * [HIVE-13390] - HiveServer2: Add more test to ZK service discovery using MiniHS2
    * [HIVE-13394] - Analyze table fails in tez on empty partitions/files/tables
    * [HIVE-13396] - LLAP: Include hadoop-metrics2.properties file LlapServiceDriver
    * [HIVE-13405] - Fix Connection Leak in OrcRawRecordMerger
    * [HIVE-13428] - ZK SM in LLAP should have unique paths per cluster
    * [HIVE-13463] - Fix ImportSemanticAnalyzer to allow for different src/dst filesystems
    * [HIVE-13464] - Backport changes to storage-api into branch 2 for release into 2.0.1
    * [HIVE-13468] - branch-2 build is broken
    * [HIVE-13523] - Fix connection leak in ORC RecordReader and refactor for unit testing
    * [HIVE-13630] - missing license headers
    * [HIVE-13645] - Beeline needs null-guard around hiveVars and hiveConfVars read


** Improvement
    * [HIVE-10115] - HS2 running on a Kerberized cluster should offer Kerberos(GSSAPI) and Delegation token(DIGEST) when alternate authentication is enabled
    * [HIVE-13120] - propagate doAs when generating ORC splits
    * [HIVE-13584] - HBaseStorageHandler should support table pre-split


** New Feature
    * [HIVE-11233] - Include Apache Phoenix support in HBaseStorageHandler


Release Notes - Hive - Version 2.0.0

** Sub-task
    * [HIVE-8858] - Visualize generated Spark plan [Spark Branch]
    * [HIVE-9139] - Clean up GenSparkProcContext.clonedReduceSinks and related code [Spark Branch]
    * [HIVE-9152] - Dynamic Partition Pruning [Spark Branch]
    * [HIVE-9605] - Remove parquet nested objects from wrapper writable objects
    * [HIVE-10166] - Merge Spark branch to master 7/30/2015
    * [HIVE-10180] - Loop optimization for SIMD in ColumnArithmeticColumn.txt
    * [HIVE-10235] - Loop optimization for SIMD in ColumnDivideColumn.txt
    * [HIVE-10238] - Loop optimization for SIMD in IfExprColumnColumn.txt
    * [HIVE-10434] - Cancel connection when remote Spark driver process has failed [Spark Branch] 
    * [HIVE-10458] - Enable parallel order by for spark [Spark Branch]
    * [HIVE-10460] - change the key of Parquet Record to Nullwritable instead of void
    * [HIVE-10476] - Hive query should fail when it fails to initialize a session in SetSparkReducerParallelism [Spark Branch]
    * [HIVE-10479] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) Empty tabAlias in columnInfo which triggers PPD
    * [HIVE-10520] - LLAP: Must reset small table result columns for Native Vectorization of Map Join
    * [HIVE-10527] - NPE in SparkUtilities::isDedicatedCluster [Spark Branch]
    * [HIVE-10533] - CBO (Calcite Return Path): Join to MultiJoin support for outer joins
    * [HIVE-10550] - Dynamic RDD caching optimization for HoS.[Spark Branch]
    * [HIVE-10553] - Remove hardcoded Parquet references from SearchArgumentImpl
    * [HIVE-10565] - LLAP: Native Vector Map Join doesn't handle filtering and matching on LEFT OUTER JOIN repeated key correctly
    * [HIVE-10594] - Remote Spark client doesn't use Kerberos keytab to authenticate [Spark Branch]
    * [HIVE-10643] - Refactoring Windowing for sum() to pass WindowFrameDef instead of two numbers (1 for number of preceding and 1 for number of following)
    * [HIVE-10702] - COUNT(*) over windowing 'x preceding and y preceding' doesn't work properly
    * [HIVE-10717] - Fix failed qtest encryption_insert_partition_static test in Jenkin
    * [HIVE-10752] - Revert HIVE-5193
    * [HIVE-10755] - Rework on HIVE-5193 to enhance the column oriented table access
    * [HIVE-10793] - Hybrid Hybrid Grace Hash Join : Don't allocate all hash table memory upfront
    * [HIVE-10794] - Remove the dependence from ErrorMsg to HiveUtils
    * [HIVE-10795] - Remove use of PerfLogger from Orc
    * [HIVE-10796] - Remove dependencies on NumericHistogram and NumDistinctValueEstimator from JavaDataModel
    * [HIVE-10799] - Refactor the SearchArgumentFactory to remove the dependence on ExprNodeGenericFuncDesc
    * [HIVE-10800] - CBO (Calcite Return Path): Setup correct information if CBO succeeds
    * [HIVE-10825] - Add parquet branch profile to jenkins-submit-build.sh
    * [HIVE-10826] - Support min()/max() functions over x preceding and y preceding windowing 
    * [HIVE-10834] - Support First_value()/last_value() over x preceding and y preceding windowing
    * [HIVE-10844] - Combine equivalent Works for HoS[Spark Branch]
    * [HIVE-10855] - Make HIVE-10568 work with Spark [Spark Branch]
    * [HIVE-10864] - CBO (Calcite Return Path): auto_join2.q returning wrong results
    * [HIVE-10878] - Add tests to cover avg() function for 'x preceding and y preceding' windowing spec.
    * [HIVE-10882] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) empty filtersMap of join operator causes wrong results
    * [HIVE-10906] - Value based UDAF function without orderby expression throws NPE
    * [HIVE-10911] - Add support for date datatype in the value based windowing function
    * [HIVE-10927] - Add number of HMS/HS2 connection metrics
    * [HIVE-10975] - Parquet: Bump the parquet version up to 1.8.1
    * [HIVE-10985] - Value based windowing on timestamp and double can't handle NULL value
    * [HIVE-10989] - HoS can't control number of map tasks for runtime skew join [Spark Branch]
    * [HIVE-10991] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): NonBlockingOpDeDupProc did not kick in rcfile_merge2.q
    * [HIVE-10999] - Upgrade Spark dependency to 1.4 [Spark Branch]
    * [HIVE-11007] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): dpCtx's mapInputToDP should depends on the last SEL
    * [HIVE-11016] - MiniTez mergejoin test fails with Tez input error (issue in merge join under certain conditions)
    * [HIVE-11025] - In windowing spec, when the datatype is decimal, it's comparing the value against NULL value incorrectly
    * [HIVE-11053] - Add more tests for HIVE-10844[Spark Branch]
    * [HIVE-11080] - Modify VectorizedRowBatch.toString() to not depend on VectorExpressionWriter
    * [HIVE-11082] - Support multi edge between nodes in SparkPlan[Spark Branch]
    * [HIVE-11086] - Remove use of ErrorMsg in Orc's RunLengthIntegerReaderV2
    * [HIVE-11099] - Add support for running negative q-tests [Spark Branch]
    * [HIVE-11108] - HashTableSinkOperator doesn't support vectorization [Spark Branch]
    * [HIVE-11124] - Move OrcRecordUpdater.getAcidEventFields to RecordReaderFactory
    * [HIVE-11130] - Refactoring the code so that HiveTxnManager interface will support lock/unlock table/database object
    * [HIVE-11131] - Get row information on DataWritableWriter once for better writing performance
    * [HIVE-11137] - In DateWritable remove the use of LazyBinaryUtils
    * [HIVE-11138] - Query fails when there isn't a comparator for an operator [Spark Branch]
    * [HIVE-11161] - create patch for branch-1 for HiveOnTez: make explain user level = true as default
    * [HIVE-11180] - Enable native vectorized map join for spark [Spark Branch]
    * [HIVE-11206] - CBO (Calcite Return Path): Join translation should update all ExprNode recursively
    * [HIVE-11209] - Clean up dependencies in HiveDecimalWritable
    * [HIVE-11210] - Remove dependency on HiveConf from Orc reader & writer
    * [HIVE-11212] - Create vectorized types for complex types
    * [HIVE-11223] - CBO (Calcite Return Path): MapJoin and SMBJoin conversion not triggered
    * [HIVE-11231] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): make the output of ba_table_union.q more stable
    * [HIVE-11232] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): fix the output of select_same_col.q
    * [HIVE-11239] - Test encryption_insert_partition_static.q fails with different output results on other environments
    * [HIVE-11251] - CBO (Calcite Return Path): Extending ExprNodeConverter to consider additional types
    * [HIVE-11252] - CBO (Calcite Return Path): DUMMY project in plan
    * [HIVE-11253] - Move SearchArgument and VectorizedRowBatch classes to storage-api.
    * [HIVE-11257] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): Method isCombinablePredicate in HiveJoinToMultiJoinRule should be extended to support MultiJoin operators merge
    * [HIVE-11282] - CBO (Calcite Return Path): Inferring Hive type char/varchar of length zero which is not allowed
    * [HIVE-11307] - Remove getWritableObject from ColumnVectorBatch
    * [HIVE-11314] - Print "Execution completed successfully" as part of spark job info [Spark Branch]
    * [HIVE-11318] - Move ORC table properties from OrcFile to OrcOutputFormat
    * [HIVE-11321] - Move OrcFile.OrcTableProperties from OrcFile into OrcConf.
    * [HIVE-11347] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): fix CTAS
    * [HIVE-11358] - LLAP: move LlapConfiguration into HiveConf and document the settings
    * [HIVE-11363] - Prewarm Hive on Spark containers [Spark Branch]
    * [HIVE-11367] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): ExprNodeConverter should use HiveDecimal to create Decimal
    * [HIVE-11387] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) : fix reduce_deduplicate optimization
    * [HIVE-11391] - CBO (Calcite Return Path): Add CBO tests with return path on
    * [HIVE-11409] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): add SEL before UNION
    * [HIVE-11416] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): Groupby Optimizer assumes the schema can match after removing RS and GBY
    * [HIVE-11436] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) : dealing with empty char
    * [HIVE-11437] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) : dealing with insert into
    * [HIVE-11445] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) : groupby distinct does not work
    * [HIVE-11449] - "Capacity must be a power of two" error when HybridHashTableContainer memory threshold is too low
    * [HIVE-11453] - Create PostExecutionHook for ORC file dump
    * [HIVE-11467] - WriteBuffers rounding wbSize to next power of 2 may cause OOM
    * [HIVE-11504] - Predicate pushing down doesn't work for float type for Parquet
    * [HIVE-11521] - Loop optimization for SIMD in logical operators
    * [HIVE-11533] - Loop optimization for SIMD in integer comparisons
    * [HIVE-11557] - CBO (Calcite Return Path): Convert to flat AND/OR
    * [HIVE-11562] - Typo in hive-log4j2.xml throws unknown level exception
    * [HIVE-11563] - Perflogger loglines are repeated
    * [HIVE-11565] - LLAP: Some counters are incorrect
    * [HIVE-11567] - Some trace logs seeped through with new log4j2 changes
    * [HIVE-11570] - Fix PTest2 log4j2.version 
    * [HIVE-11571] - Fix Hive PTest2 logging configuration
    * [HIVE-11572] - Datanucleus loads Log4j1.x Logger from AppClassLoader
    * [HIVE-11575] - Fix test failures in master due to log4j changes
    * [HIVE-11597] - [CBO new return path] Handling of strings of zero-length
    * [HIVE-11646] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): fix multiple window spec for PTF operator
    * [HIVE-11664] - Make tez container logs work with new log4j2 changes
    * [HIVE-11671] - Optimize RuleRegExp in DPP codepath
    * [HIVE-11700] - exception in logs in Tez test with new logger
    * [HIVE-11701] - Make tez tests AM logs work with new log4j2 changes
    * [HIVE-11703] - Make RegExp and RLike reserved keywords
    * [HIVE-11711] - Merge hbase-metastore branch to trunk
    * [HIVE-11763] - Use * instead of sum(hash(*)) on Parquet predicate (PPD) integration tests
    * [HIVE-11778] - Merge beeline-cli branch to trunk
    * [HIVE-11815] - Correct the column/table names in subquery expression when creating a view
    * [HIVE-11865] - Disable Hive PPD optimizer when CBO has optimized the plan
    * [HIVE-11890] - Create ORC module
    * [HIVE-11895] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): fix udaf_percentile_approx_23.q
    * [HIVE-11896] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): deal with hive default partition when inserting data
    * [HIVE-11903] - Add lock metrics to HS2
    * [HIVE-11908] - LLAP: Merge branch to hive-2.0
    * [HIVE-12016] - Update log4j2 version to 2.4
    * [HIVE-12020] - Revert log4j2 xml configuration to properties based configuration
    * [HIVE-12054] - Create vectorized write method
    * [HIVE-12055] - Create row-by-row shims for the write path 
    * [HIVE-12091] - Merge file doesn't work for ORC table when running on Spark. [Spark Branch]
    * [HIVE-12196] - NPE when converting bad timestamp value
    * [HIVE-12271] - Add metrics around HS2 query execution and job submission for Hive 
    * [HIVE-12272] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) : columnPruner prunes everything when union is the last operator before FS
    * [HIVE-12273] - Improve user level explain
    * [HIVE-12283] - Fix test failures after HIVE-11844 [Spark Branch]
    * [HIVE-12284] - Merge master to Spark branch 10/28/2015 [Spark Branch]
    * [HIVE-12297] - CBO: Calcite Operator To Hive Operator (Calcite Return Path) : dealing with '$' in typeInfo
    * [HIVE-12305] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): UDAF can not pull up constant expressions
    * [HIVE-12358] - Categorize vectorization benchmarks into arithmetic, comparison, logic
    * [HIVE-12402] - Split hive.root.logger separately to make it compatible with log4j1.x
    * [HIVE-12447] - Fix LlapTaskReporter post TEZ-808 changes
    * [HIVE-12448] - Change to tracking of dag status via dagIdentifier instead of dag name
    * [HIVE-12471] - Secure HS2 web UI with SSL
    * [HIVE-12485] - Secure HS2 web UI with kerberos
    * [HIVE-12497] - Remove HADOOP_CLIENT_OPTS from hive script
    * [HIVE-12525] - Cleanup unused metrics in HMS
    * [HIVE-12574] - windowing function returns incorrect result when the window size is larger than the partition size
    * [HIVE-12663] - Support quoted table names/columns when ACID is on
    * [HIVE-12692] - Make use of the Tez HadoopShim in TaskRunner usage
    * [HIVE-12711] - Document howto disable web ui in config of hive.server2.webui.port
    * [HIVE-12739] - Log4j2.x needs HADOOP_USER_CLASSPATH_FIRST to be set
    * [HIVE-12783] - fix the unit test failures in TestSparkClient and TestSparkSessionManagerImpl
    * [HIVE-12798] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): MiniTezCliDriver.vector* queries failures due to NPE in Vectorizer.onExpressionHasNullSafes()
    * [HIVE-12832] - RDBMS schema changes for HIVE-11388
    * [HIVE-12850] - Fixes after changes made in TEZ-2669 and TEZ-3024
    * [HIVE-12863] - fix test failure for TestMiniTezCliDriver.testCliDriver_tez_union
    * [HIVE-12883] - Support basic stats and column stats in table properties in HBaseStore
    * [HIVE-12890] - Disable multi-statment transaction control statements until HIVE-11078


** Bug
    * [HIVE-4239] - Remove lock on compilation stage
    * [HIVE-4243] - Fix column names in FileSinkOperator
    * [HIVE-5277] - HBase handler skips rows with null valued first cells when only row key is selected
    * [HIVE-5623] - ORC accessing array column that's empty will fail with java out of bound exception
    * [HIVE-6026] - Ldap Authenticator should be more generic with BindDN
    * [HIVE-6091] - Empty pipeout files are created for connection create/close
    * [HIVE-6113] - Upgrade DataNucleus [was: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient]
    * [HIVE-6705] - hive jdbc can not used by jmeter, because of unsupported auto commit feature
    * [HIVE-6727] - Table level stats for external tables are set incorrectly
    * [HIVE-6991] - History not able to disable/enable after session started
    * [HIVE-7018] - Table and Partition tables have column LINK_TARGET_ID in Mysql scripts but not others
    * [HIVE-7150] - FileInputStream is not closed in HiveConnection#getHttpClient()
    * [HIVE-7180] - BufferedReader is not closed in MetaStoreSchemaInfo ctor
    * [HIVE-7193] - Hive should support additional LDAP authentication parameters
    * [HIVE-7476] - CTAS does not work properly for s3
    * [HIVE-7575] - GetTables thrift call is very slow
    * [HIVE-7723] - Explain plan for complex query with lots of partitions is slow due to in-efficient collection used to find a matching ReadEntity
    * [HIVE-8396] - Hive CliDriver command splitting can be broken when comments are present
    * [HIVE-8529] - HiveSessionImpl#fetchResults should not try to fetch operation log when hive.server2.logging.operation.enabled is false.
    * [HIVE-9013] - Hive set command exposes metastore db password
    * [HIVE-9069] - Simplify filter predicates for CBO
    * [HIVE-9248] - Vectorization : Tez Reduce vertex not getting vectorized when GROUP BY is Hash mode
    * [HIVE-9544] - Error dropping fully qualified partitioned table - Internal error processing get_partition_names
    * [HIVE-9566] - HiveServer2 fails to start with NullPointerException
    * [HIVE-9625] - Delegation tokens for HMS are not renewed
    * [HIVE-9811] - Hive on Tez leaks WorkMap objects
    * [HIVE-9880] - Support configurable username attribute for HiveServer2 LDAP authentication
    * [HIVE-9974] - Sensitive data redaction: data appears in name of mapreduce job
    * [HIVE-10021] - "Alter index rebuild" statements submitted through HiveServer2 fail when Sentry is enabled
    * [HIVE-10061] - HiveConf Should not be used as part of the HS2 client side code
    * [HIVE-10140] - Window boundary is not compared correctly
    * [HIVE-10151] - insert into A select from B is broken when both A and B are Acid tables and bucketed the same way
    * [HIVE-10173] - ThreadLocal synchronized initialvalue() is irrelevant in JDK7
    * [HIVE-10190] - CBO: AST mode checks for TABLESAMPLE with AST.toString().contains("TOK_TABLESPLITSAMPLE")
    * [HIVE-10191] - ORC: Cleanup writer per-row synchronization
    * [HIVE-10286] - SARGs: Type Safety via PredicateLeaf.type
    * [HIVE-10370] - Hive does not compile with -Phadoop-1 option
    * [HIVE-10415] - hive.start.cleanup.scratchdir configuration is not taking effect
    * [HIVE-10423] - HIVE-7948 breaks deploy_e2e_artifacts.sh
    * [HIVE-10431] - HIVE-9555 broke hadoop-1 build
    * [HIVE-10442] - HIVE-10098 broke hadoop-1 build
    * [HIVE-10443] - HIVE-9870 broke hadoop-1 build
    * [HIVE-10444] - HIVE-10223 breaks hadoop-1 build
    * [HIVE-10450] - More than one TableScan in MapWork not supported in Vectorization -- causes  query to fail during vectorization
    * [HIVE-10452] - Followup fix for HIVE-10202 to restrict it it for script mode.
    * [HIVE-10453] - HS2 leaking open file descriptors when using UDFs
    * [HIVE-10456] - Grace Hash Join should not load spilled partitions on abort
    * [HIVE-10473] - Spark client is recreated even spark configuration is not changed
    * [HIVE-10481] - ACID table update finishes but values not really updated if column names are not all lower case
    * [HIVE-10483] - insert overwrite partition deadlocks on itself with DbTxnManager
    * [HIVE-10509] - Bump trunk version to 1.3 as branch-1.2 has been created.
    * [HIVE-10519] - Move TestGenericUDF classes to udf.generic package
    * [HIVE-10521] - TxnHandler.timeOutTxns only times out some of the expired transactions
    * [HIVE-10529] - Remove references to tez task context before storing operator plan in object cache
    * [HIVE-10538] - Fix NPE in FileSinkOperator from hashcode mismatch
    * [HIVE-10541] - Beeline requires newline at the end of each query in a file
    * [HIVE-10542] - Full outer joins in tez produce incorrect results in certain cases
    * [HIVE-10548] - Remove dependency to s3 repository in root pom
    * [HIVE-10559] - IndexOutOfBoundsException with RemoveDynamicPruningBySize
    * [HIVE-10569] - Hive CLI gets stuck when hive.exec.parallel=true; and some exception happens during SessionState.start
    * [HIVE-10571] - HiveMetaStoreClient should close existing thrift connection before its reconnect
    * [HIVE-10572] - Improve Hive service test to check empty string
    * [HIVE-10587] - ExprNodeColumnDesc should be created with isPartitionColOrVirtualCol true for DP column
    * [HIVE-10608] - Fix useless 'if' stamement in RetryingMetaStoreClient (135)
    * [HIVE-10609] - Vectorization : Q64 fails with ClassCastException
    * [HIVE-10613] - HCatSchemaUtils getHCatFieldSchema should include field comment
    * [HIVE-10620] - ZooKeeperHiveLock overrides equal() method but not hashcode()
    * [HIVE-10626] - Spark paln need to be updated [Spark Branch]
    * [HIVE-10631] - create_table_core method has invalid update for Fast Stats
    * [HIVE-10646] - ColumnValue does not handle NULL_TYPE
    * [HIVE-10651] - ORC file footer cache should be bounded
    * [HIVE-10655] - [PTest2] Propagate additionalProfiles flag to the source-prep.vm
    * [HIVE-10660] - Fix typo in Type.getType(TTypeId) exception message
    * [HIVE-10665] - Continue to make udaf_percentile_approx_23.q test more stable
    * [HIVE-10670] - Duplicate declaration of curator-recipes at pom.xml
    * [HIVE-10671] - yarn-cluster mode offers a degraded performance from yarn-client [Spark Branch]
    * [HIVE-10687] - AvroDeserializer fails to deserialize evolved union fields
    * [HIVE-10697] - ObjectInspectorConvertors#UnionConvertor does a faulty conversion
    * [HIVE-10698] - query on view results fails with table not found error if view is created with subquery alias (CTE).
    * [HIVE-10705] - Update tests for HIVE-9302 after removing binaries
    * [HIVE-10706] - Make vectorized_timestamp_funcs test more stable
    * [HIVE-10707] - CBO: debug logging OOMs
    * [HIVE-10714] - Bloom filter column names specification should be case insensitive
    * [HIVE-10721] - SparkSessionManagerImpl leaks SparkSessions [Spark Branch]
    * [HIVE-10722] - external table creation with msck in Hive can create unusable partition
    * [HIVE-10726] - Hive JDBC setQueryTimeout should not throw exception to make it work with JMeter
    * [HIVE-10728] - deprecate unix_timestamp(void) and make it deterministic
    * [HIVE-10731] - NullPointerException in HiveParser.g
    * [HIVE-10732] - Hive JDBC driver does not close operation for metadata queries
    * [HIVE-10734] - Remove COLUMNS_OLD table from a schema definition file of PostgreSQL
    * [HIVE-10736] - HiveServer2 shutdown of cached tez app-masters is not clean
    * [HIVE-10746] -  Hive 1.2.0+Tez produces 1-byte FileSplits from mapred.TextInputFormat
    * [HIVE-10757] - Explain query plan should have operation name EXPLAIN
    * [HIVE-10771] - "separatorChar" has no effect in "CREATE TABLE AS SELECT" statement
    * [HIVE-10781] - HadoopJobExecHelper Leaks RunningJobs
    * [HIVE-10787] - MatchPath misses the last matched row from the final result set
    * [HIVE-10788] - Change sort_array to support non-primitive types
    * [HIVE-10790] - orc write on viewFS throws exception
    * [HIVE-10802] - Table join query with some constant field in select fails
    * [HIVE-10807] - Invalidate basic stats for insert queries if autogather=false
    * [HIVE-10808] - Inner join on Null throwing Cast Exception
    * [HIVE-10816] - NPE in ExecDriver::handleSampling when submitted via child JVM
    * [HIVE-10835] - Concurrency issues in JDBC driver
    * [HIVE-10841] - [WHERE col is not null] does not work sometimes for queries with many JOIN statements
    * [HIVE-10853] - Create ExplainTask in ATS hook through ExplainWork
    * [HIVE-10880] - The bucket number is not respected in insert overwrite.
    * [HIVE-10887] - TestCliDriver tests ordering issues with Mac and CentOS
    * [HIVE-10895] - ObjectStore does not close Query objects in some calls, causing a potential leak in some metastore db resources
    * [HIVE-10919] - Windows: create table with JsonSerDe failed via beeline unless you add hcatalog core jar to classpath
    * [HIVE-10921] - Change trunk pom version to reflect the branch-1 split
    * [HIVE-10929] - In Tez mode,dynamic partitioning query with union all fails at moveTask,Invalid partition key & values
    * [HIVE-10932] - Unit test udf_nondeterministic failure due to HIVE-10728
    * [HIVE-10940] - HiveInputFormat::pushFilters serializes PPD objects for each getRecordReader call
    * [HIVE-10944] - Fix HS2 for Metrics
    * [HIVE-10949] - Disable hive-minikdc tests in Windows
    * [HIVE-10956] - HS2 leaks HMS connections
    * [HIVE-10958] - Centos: TestMiniTezCliDriver.testCliDriver_mergejoin fails
    * [HIVE-10963] - Hive throws NPE rather than meaningful error message when window is missing
    * [HIVE-10968] - Windows: analyze json table via beeline failed throwing Class org.apache.hive.hcatalog.data.JsonSerDe not found
    * [HIVE-10972] - DummyTxnManager always locks the current database in shared mode, which is incorrect.
    * [HIVE-10974] - Use Configuration::getRaw() for the Base64 data
    * [HIVE-10976] - Redundant HiveMetaStore connect check in HS2 CLIService start
    * [HIVE-10977] - No need to instantiate MetaStoreDirectSql when HMS DirectSql is disabled
    * [HIVE-10979] - Fix failed tests in TestSchemaTool after the version number change in HIVE-10921
    * [HIVE-10980] - Merge of dynamic partitions loads all data to default partition
    * [HIVE-10994] - Hive.moveFile should not fail on a no-op move
    * [HIVE-10996] - Aggregation / Projection over Multi-Join Inner Query producing incorrect results
    * [HIVE-11006] - improve logging wrt ACID module
    * [HIVE-11013] - MiniTez tez_join_hash test on the branch fails with NPE (initializeOp not called?)
    * [HIVE-11024] - Error inserting a date value via parameter marker (PreparedStatement.setDate)
    * [HIVE-11028] - Tez: table self join and join with another table fails with IndexOutOfBoundsException
    * [HIVE-11029] - hadoop.proxyuser.mapr.groups does not work to restrict the groups that can be impersonated
    * [HIVE-11040] - Change Derby dependency version to 10.10.2.0
    * [HIVE-11042] - Need fix Utilities.replaceTaskId method
    * [HIVE-11043] - ORC split strategies should adapt based on number of files
    * [HIVE-11044] - Some optimizable predicates being missed by constant propagation
    * [HIVE-11051] - Hive 1.2.0  MapJoin w/Tez - LazyBinaryArray cannot be cast to [Ljava.lang.Object;
    * [HIVE-11054] - Read error : Partition Varchar column cannot be cast to string
    * [HIVE-11060] - Make test windowing.q robust
    * [HIVE-11062] - Remove Exception stacktrace from Log.info when ACL is not supported.
    * [HIVE-11071] - FIx the output of beeline dbinfo command
    * [HIVE-11073] - ORC FileDump utility ignores errors when writing output
    * [HIVE-11079] - Fix qfile tests that fail on Windows due to CR/character escape differences
    * [HIVE-11095] - SerDeUtils  another bug ,when Text is reused
    * [HIVE-11100] - Beeline should escape semi-colon in queries
    * [HIVE-11102] - ReaderImpl: getColumnIndicesFromNames does not work for some cases
    * [HIVE-11104] - Select operator doesn't propagate constants appearing in expressions
    * [HIVE-11109] - Replication factor is not properly set in SparkHashTableSinkOperator [Spark Branch]
    * [HIVE-11110] - Reorder applyPreJoinOrderingTransforms, add NotNULL/FilterMerge rules, improve Filter selectivity estimation
    * [HIVE-11112] - ISO-8859-1 text output has fragments of previous longer rows appended
    * [HIVE-11118] - Load data query should validate file formats with destination tables
    * [HIVE-11119] - Spark reduce vectorization doesnt account for scratch columns
    * [HIVE-11120] - Generic interface for file format validation
    * [HIVE-11122] - ORC should not record the timezone information when there are no timestamp columns
    * [HIVE-11123] - Fix how to confirm the RDBMS product name at Metastore.
    * [HIVE-11128] - Stats Annotation misses extracting stats for cols in some cases
    * [HIVE-11129] - Issue a warning when copied from UTF-8 to ISO 8859-1
    * [HIVE-11132] - Queries using join and group by produce incorrect output when hive.auto.convert.join=false and hive.optimize.reducededuplication=true
    * [HIVE-11134] - HS2 should log open session failure
    * [HIVE-11135] - Fix the Beeline set and save command in order to avoid the NullPointerException
    * [HIVE-11141] - Improve RuleRegExp when the Expression node stack gets huge
    * [HIVE-11143] - Tests udf_from_utc_timestamp.q/udf_to_utc_timestamp.q do not work with updated Java timezone information
    * [HIVE-11147] - MetaTool doesn't update FS root location for partitions with space in name
    * [HIVE-11149] - Fix issue with sometimes HashMap in PerfLogger.java hangs 
    * [HIVE-11151] - Calcite transitive predicate inference rule should not transitively add not null filter on non-nullable input
    * [HIVE-11152] - Swapping join inputs in ASTConverter
    * [HIVE-11157] - Hive.get(HiveConf) returns same Hive object to different user sessions
    * [HIVE-11170] - port parts of HIVE-11015 to master for ease of future merging
    * [HIVE-11171] - Join reordering algorithm might introduce projects between joins
    * [HIVE-11172] - Vectorization wrong results for aggregate query with where clause without group by
    * [HIVE-11174] - Hive does not treat floating point signed zeros as equal (-0.0 should equal 0.0 according to IEEE floating point spec) 
    * [HIVE-11176] - Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryStruct cannot be cast to [Ljava.lang.Object;
    * [HIVE-11184] - Lineage - ExprProcFactory#getExprString may throw NullPointerException
    * [HIVE-11185] - Fix compustat_avro.q/load_dyn_part14_win.q for Windows
    * [HIVE-11190] - No prompting info or warning provided when METASTORE_FILTER_HOOK in authorization V2 is overridden
    * [HIVE-11193] - ConstantPropagateProcCtx should use a Set instead of a List to hold operators to be deleted
    * [HIVE-11194] - Exchange partition on external tables should fail with error message when target folder already exists
    * [HIVE-11196] - Utilities.getPartitionDesc() should try to reuse TableDesc object 
    * [HIVE-11197] - While extracting join conditions follow Hive rules for type conversion instead of Calcite
    * [HIVE-11198] - Fix load data query file format check for partitioned tables
    * [HIVE-11201] - HCatalog  is ignoring user specified avro schema in the table definition
    * [HIVE-11202] - Update golden files on master
    * [HIVE-11203] - Beeline force option doesn't force execution when errors occurred in a script.
    * [HIVE-11211] - Reset the fields in JoinStatsRule in StatsRulesProcFactory
    * [HIVE-11214] - Insert into ACID table switches vectorization off 
    * [HIVE-11215] - Vectorized grace hash-join throws FileUtil warnings
    * [HIVE-11216] - UDF GenericUDFMapKeys throws NPE when a null map value is passed in
    * [HIVE-11217] - CTAS statements throws error, when the table is stored as ORC File format and select clause has NULL/VOID type column 
    * [HIVE-11221] - In Tez mode, alter table concatenate orc files can intermittently fail with NPE
    * [HIVE-11224] - AggregateStatsCache triggers java.util.ConcurrentModificationException under some conditions
    * [HIVE-11228] - Mutation API should use semi-shared locks.
    * [HIVE-11229] - Mutation API: Coordinator communication with meta store should be optional
    * [HIVE-11230] - IMetaStoreClient getPartition method arguments incorrectly named
    * [HIVE-11241] - Database prefix does not work properly if table has same name
    * [HIVE-11243] - Changing log level in Utilities.getBaseWork
    * [HIVE-11250] - Change in spark.executor.instances (and others) doesn't take effect after RSC is launched for HS2 [Spark Brnach]
    * [HIVE-11255] - get_table_objects_by_name() in HiveMetaStore.java needs to retrieve table objects in multiple batches 
    * [HIVE-11258] - The function drop_database_core() of HiveMetaStore.java may not drop all the tables
    * [HIVE-11261] - DESCRIBE database qualifier does not work when calling DESCRIBE on column or nested columns.
    * [HIVE-11271] - java.lang.IndexOutOfBoundsException when union all with if function
    * [HIVE-11278] - Partition.setOutputFormatClass should not do toString for Class object 
    * [HIVE-11279] - Hive should emit lineage information in json compact format
    * [HIVE-11284] - Fix cbo_rp_join0 failure on master
    * [HIVE-11285] - ObjectInspector for partition columns in FetchOperator in SMBJoin causes exception
    * [HIVE-11288] - Avro SerDe InstanceCache returns incorrect schema
    * [HIVE-11293] - HiveConnection.setAutoCommit(true) throws exception
    * [HIVE-11301] - thrift metastore issue when getting stats results in disconnect
    * [HIVE-11303] - Getting Tez LimitExceededException after dag execution on large query
    * [HIVE-11310] - Avoid expensive AST tree conversion to String for expressions in WHERE clause
    * [HIVE-11311] - Avoid dumping AST tree String in Explain unless necessary
    * [HIVE-11312] - ORC format: where clause with CHAR data type not returning any rows
    * [HIVE-11316] - Use datastructure that doesnt duplicate any part of string for ASTNode::toStringTree()
    * [HIVE-11319] - CTAS with location qualifier overwrites directories
    * [HIVE-11328] - Avoid String representation of expression nodes in ConstantPropagateProcFactory unless necessary
    * [HIVE-11330] - Add early termination for recursion in StatsRulesProcFactory$FilterStatsRule.evaluateExpression
    * [HIVE-11333] - ColumnPruner prunes columns of UnionOperator that should be kept
    * [HIVE-11340] - Create ORC based table using like clause doesn't copy compression property
    * [HIVE-11344] - HIVE-9845 makes HCatSplit.write modify the split so that PartInfo objects are unusable after it
    * [HIVE-11356] - SMB join on tez fails when one of the tables is empty
    * [HIVE-11369] - Mapjoins in HiveServer2 fail when jmxremote is used
    * [HIVE-11371] - Null pointer exception for nested table query when using ORC versus text
    * [HIVE-11372] - join with between predicate comparing integer types returns no rows when ORC format used
    * [HIVE-11375] - Broken processing of queries containing NOT (x IS NOT NULL and x <> 0)
    * [HIVE-11376] - CombineHiveInputFormat is falling back to HiveInputFormat in case codecs are found for one of the input files
    * [HIVE-11380] - NPE when FileSinkOperator is not initialized
    * [HIVE-11397] - Parse Hive OR clauses as they are written into the AST
    * [HIVE-11401] - Predicate push down does not work with Parquet when partitions are in the expression
    * [HIVE-11405] - Add early termination for recursion in StatsRulesProcFactory$FilterStatsRule.evaluateExpression  for OR expression
    * [HIVE-11406] - Vectorization: StringExpr::compare() == 0 is bad for performance
    * [HIVE-11407] - JDBC DatabaseMetaData.getTables with large no of tables call leads to HS2 OOM 
    * [HIVE-11413] - Error in detecting availability of HiveSemanticAnalyzerHooks
    * [HIVE-11422] - Join a ACID table with non-ACID table fail with MR
    * [HIVE-11425] - submitting a query via CLI against a running cluster fails with ClassNotFoundException: org.apache.hadoop.hive.common.type.HiveDecimal
    * [HIVE-11426] - lineage3.q fails with -Phadoop-1
    * [HIVE-11428] - Performance: Struct IN() clauses are extremely slow (~10x slower) 
    * [HIVE-11429] - Increase default JDBC result set fetch size (# rows it fetches in one RPC call) to 1000 from 50
    * [HIVE-11430] - Followup HIVE-10166: investigate and fix the two test failures
    * [HIVE-11432] - Hive macro give same result for different arguments
    * [HIVE-11433] - NPE for a multiple inner join query
    * [HIVE-11434] - Followup for HIVE-10166: reuse existing configurations for prewarming Spark executors
    * [HIVE-11441] - No DDL allowed on table if user accidentally set table location wrong
    * [HIVE-11448] - Support vectorization of Multi-OR and Multi-AND
    * [HIVE-11450] - Resources are not cleaned up properly at multiple places
    * [HIVE-11451] - SemanticAnalyzer throws IndexOutOfBounds Exception
    * [HIVE-11452] - HIVE-11321 broke ORC bloom filter index creation
    * [HIVE-11456] - HCatStorer should honor mapreduce.output.basename
    * [HIVE-11462] - GenericUDFStruct should constant fold at compile time
    * [HIVE-11464] - lineage info missing if there are multiple outputs
    * [HIVE-11466] - HIVE-10166 generates more data on hive.log causing Jenkins to fill all the disk.
    * [HIVE-11468] - Vectorize: Struct IN() clauses
    * [HIVE-11469] - Update doc for InstanceCache to clearly define the contract on the SeedObject
    * [HIVE-11470] - NPE in DynamicPartFileRecordWriterContainer on null part-keys.
    * [HIVE-11472] - ORC StringDirectTreeReader is thrashing the GC due to byte[] allocation per row
    * [HIVE-11473] - Upgrade Spark dependency to 1.5 [Spark Branch]
    * [HIVE-11476] - TypeInfoParser cannot handle column names with spaces in them
    * [HIVE-11490] - Lazily call ASTNode::toStringTree() after tree modification
    * [HIVE-11493] - Predicate with integer column equals double evaluates to false
    * [HIVE-11497] - Make sure --orcfiledump utility includes OrcRecordUpdate.AcidStats
    * [HIVE-11498] - HIVE Authorization v2 should not check permission for dummy entity
    * [HIVE-11499] - Datanucleus leaks classloaders when used using embedded metastore with HiveServer2 with UDFs
    * [HIVE-11501] - HiveConnection.readOnly always throws a "Method not supported" exception
    * [HIVE-11502] - Map side aggregation is extremely slow
    * [HIVE-11510] - Metatool updateLocation warning on views
    * [HIVE-11511] - Output the message of orcfiledump when ORC files are not specified
    * [HIVE-11517] - Vectorized auto_smb_mapjoin_14.q produces different results
    * [HIVE-11523] - org.apache.hadoop.hive.ql.io.orc.FileDump should handle errors
    * [HIVE-11540] - Too many delta files during Compaction - OOM
    * [HIVE-11541] - ORC: Split Strategy should depend on global file count, not per-partition
    * [HIVE-11542] - port fileId support on shims and splits from llap branch
    * [HIVE-11546] - Projected columns read size should be scaled to split size for ORC Splits
    * [HIVE-11549] - Hide Hive configuration from spark driver launching process
    * [HIVE-11553] - use basic file metadata cache in ETLSplitStrategy-related paths
    * [HIVE-11556] - HiveFilter.copy should take the condition given as a parameter
    * [HIVE-11573] - PointLookupOptimizer can be pessimistic at a low nDV
    * [HIVE-11578] - ATS hook fails for ExplainWork
    * [HIVE-11580] - ThriftUnionObjectInspector#toString throws NPE
    * [HIVE-11581] - HiveServer2 should store connection params in ZK when using dynamic service discovery for simpler client connection string.
    * [HIVE-11583] - When PTF is used over a large partitions result could be corrupted
    * [HIVE-11586] - ObjectInspectorFactory.getReflectionObjectInspector is not thread-safe
    * [HIVE-11587] - Fix memory estimates for mapjoin hashtable
    * [HIVE-11590] - AvroDeserializer is very chatty
    * [HIVE-11591] - upgrade thrift to 0.9.3 and change generation to use undated annotations
    * [HIVE-11592] - ORC metadata section can sometimes exceed protobuf message size limit
    * [HIVE-11594] - Analyze Table For Columns cannot handle columns with embedded spaces
    * [HIVE-11595] - refactor ORC footer reading to make it usable from outside
    * [HIVE-11596] - nvl(x, y) throws NPE if type x and type y doesn't match, rather than throwing the meaningful error
    * [HIVE-11602] - Support Struct with different field types in query
    * [HIVE-11604] - HIVE return wrong results in some queries with PTF function
    * [HIVE-11605] - Incorrect results with bucket map join in tez.
    * [HIVE-11606] - Bucket map joins fail at hash table construction time
    * [HIVE-11607] - Export tables broken for data > 32 MB
    * [HIVE-11613] - schematool should return non zero exit status for info command, if state is inconsistent
    * [HIVE-11616] - DelegationTokenSecretManager reuses the same objectstore, which has concurrency issues
    * [HIVE-11628] - DB type detection code is failing on Oracle 12
    * [HIVE-11634] - Support partition pruning for IN(STRUCT(partcol, nonpartcol..)...)
    * [HIVE-11652] - Avoid expensive call to removeAll in DefaultGraphWalker
    * [HIVE-11657] - HIVE-2573 introduces some issues during metastore init (and CLI init)
    * [HIVE-11658] - Load data file format validation does not work with directories
    * [HIVE-11668] - make sure directsql calls pre-query init when needed
    * [HIVE-11669] - OrcFileDump service should support directories
    * [HIVE-11670] - Strip out password information from TezSessionState configuration
    * [HIVE-11676] - implement metastore API to do file footer PPD
    * [HIVE-11688] - OrcRawRecordMerger does not close primary reader if not fully consumed
    * [HIVE-11689] - minor flow changes to ORC split generation
    * [HIVE-11695] - If user have no permission to  create LOCAL DIRECTORY ，the Hql does not throw any exception and fail silently.
    * [HIVE-11696] - Exception when table-level serde is Parquet while partition-level serde is JSON
    * [HIVE-11698] - Add additional test for PointLookupOptimizer
    * [HIVE-11704] - Create errata.txt file
    * [HIVE-11705] - refactor SARG stripe filtering for ORC into a separate method
    * [HIVE-11710] - Beeline embedded mode doesn't output query progress after setting any session property
    * [HIVE-11712] - Duplicate groupby keys cause ClassCastException
    * [HIVE-11714] - Turn off hybrid grace hash join for cross product join
    * [HIVE-11718] - JDBC ResultSet.setFetchSize(0) returns no results
    * [HIVE-11721] - non-ascii characters shows improper with "insert into"
    * [HIVE-11723] - Incorrect string literal escaping
    * [HIVE-11726] - Pushed IN predicates to the metastore
    * [HIVE-11735] - Different results when multiple if() functions are used 
    * [HIVE-11737] - IndexOutOfBounds compiling query with duplicated groupby keys
    * [HIVE-11745] - Alter table Exchange partition with multiple partition_spec is not working
    * [HIVE-11747] - Unnecessary error log is shown when executing a "INSERT OVERWRITE LOCAL DIRECTORY" cmd in the embedded mode
    * [HIVE-11748] - HivePreparedStatement's setTimestamp() does not quote value as required
    * [HIVE-11751] - hive-exec-log4j2.xml settings causes DEBUG messages to be generated and ignored
    * [HIVE-11755] - Incorrect method called with Kerberos enabled in AccumuloStorageHandler
    * [HIVE-11761] - DoubleWritable hashcode for GroupBy is not properly generated
    * [HIVE-11762] - TestHCatLoaderEncryption failures when using Hadoop 2.7
    * [HIVE-11768] - java.io.DeleteOnExitHook leaks memory on long running Hive Server2 Instances
    * [HIVE-11771] - Parquet timestamp conversion errors
    * [HIVE-11777] - implement an option to have single ETL strategy for multiple directories
    * [HIVE-11781] - Remove HiveLimit operator and rename HiveSort operator
    * [HIVE-11786] - Deprecate the use of redundant column in colunm stats related tables
    * [HIVE-11792] - User explain in tez does not preserve ordering
    * [HIVE-11794] - GBY vectorization appears to process COMPLETE reduce-side GBY incorrectly
    * [HIVE-11801] - In HMS HA env, "show databases" fails when"current" HMS is stopped.
    * [HIVE-11802] - Float-point numbers are displayed with different precision in Beeline/JDBC
    * [HIVE-11813] - Avoid expensive AST tree conversion to String for expressions in WHERE clause in CBO
    * [HIVE-11817] - Window function max NullPointerException
    * [HIVE-11819] - HiveServer2 catches OOMs on request threads
    * [HIVE-11820] - export tables with size of >32MB throws "java.lang.IllegalArgumentException: Skip CRC is valid only with update options"
    * [HIVE-11821] - JDK8 strict build broken for master 
    * [HIVE-11822] - vectorize NVL UDF
    * [HIVE-11823] - create a self-contained translation for SARG to be used by metastore
    * [HIVE-11824] - Insert to local directory causes staging directory to be copied
    * [HIVE-11825] - get_json_object(col,'$.a') is null in where clause didn`t work
    * [HIVE-11826] - 'hadoop.proxyuser.hive.groups' configuration doesn't prevent unauthorized user to access metastore
    * [HIVE-11827] - STORED AS AVRO fails SELECT COUNT(*) when empty
    * [HIVE-11829] - Create test for HIVE-11216
    * [HIVE-11831] - TXN tables in Oracle should be created with ROWDEPENDENCIES
    * [HIVE-11832] - HIVE-11802 breaks compilation in JDK 8
    * [HIVE-11833] - TxnHandler heartbeat txn doesn't need serializable DB txn level
    * [HIVE-11834] - Lineage doesn't work with dynamic partitioning query
    * [HIVE-11835] - Type decimal(1,1) reads 0.0, 0.00, etc from text file as NULL
    * [HIVE-11838] - Another positive test case for HIVE-11658
    * [HIVE-11839] - Vectorization wrong results with filter of (CAST AS CHAR)
    * [HIVE-11841] - KeyValuesInputMerger creates huge logs
    * [HIVE-11842] - Improve RuleRegExp by caching some internal data structures
    * [HIVE-11843] - Add 'sort by c' to Parquet PPD q-tests to avoid different output issues with hadoop-1
    * [HIVE-11846] - CliDriver shutdown tries to drop index table again which was already dropped when dropping the original table 
    * [HIVE-11849] - NPE in HiveHBaseTableShapshotInputFormat in query with just count(*)
    * [HIVE-11856] - allow split strategies to run on threadpool
    * [HIVE-11860] - StatsNoJobTask fails to collect fast stats when table have subdirectories
    * [HIVE-11875] - JDBC Driver does not honor delegation token mechanism when readings params from ZooKeeper
    * [HIVE-11878] - ClassNotFoundException can possibly  occur if multiple jars are registered one at a time in Hive
    * [HIVE-11889] - Add unit test for HIVE-11449
    * [HIVE-11892] - UDTF run in local fetch task does not return rows forwarded during GenericUDTF.close()
    * [HIVE-11897] - JDO rollback can throw pointless exceptions
    * [HIVE-11898] - support default partition in metastoredirectsql
    * [HIVE-11901] - StorageBasedAuthorizationProvider requires write permission on table for SELECT statements
    * [HIVE-11902] - Abort txn cleanup thread throws SyntaxErrorException
    * [HIVE-11910] - TestHCatLoaderEncryption should shutdown created MiniDFS instance
    * [HIVE-11911] - The stats table limits are too large for innodb
    * [HIVE-11915] - BoneCP returns closed connections from the pool
    * [HIVE-11919] - Hive Union Type Mismatch
    * [HIVE-11920] - ADD JAR failing with URL schemes other than file/ivy/hdfs
    * [HIVE-11922] - Better error message when ORC split generation fails
    * [HIVE-11925] - Hive file format checking breaks load from named pipes
    * [HIVE-11926] - Stats annotation might not extract stats for varchar/decimal columns
    * [HIVE-11928] - ORC footer and metadata section can also exceed protobuf message limit
    * [HIVE-11932] - JDBC Driver appends an extra "/" when configuring connection by reading httpPath from ZooKeeper
    * [HIVE-11939] - TxnDbUtil should turn off jdbc auto commit
    * [HIVE-11940] - "INSERT OVERWRITE" query is very slow because it creates one "distcp" per file to copy data from staging directory to target directory
    * [HIVE-11945] - ORC with non-local reads may not be reusing connection to DN
    * [HIVE-11950] - WebHCat status file doesn't show UTF8 character
    * [HIVE-11952] - disable q tests that are both slow and less relevant
    * [HIVE-11954] - Extend logic to choose side table in MapJoin Conversion algorithm
    * [HIVE-11960] - braces in join conditions are not supported
    * [HIVE-11964] - RelOptHiveTable.hiveColStatsMap might contain mismatched column stats
    * [HIVE-11969] - start Tez session in background when starting CLI
    * [HIVE-11970] - COLUMNS_V2 table in metastore should have a longer name field
    * [HIVE-11973] - IN operator fails when the column type is DATE 
    * [HIVE-11975] - mssql scripts contains invalid 'GO' statement
    * [HIVE-11977] - Hive should handle an external avro table with zero length files present
    * [HIVE-11980] - Follow up on HIVE-11696, exception is thrown from CTAS from the table with table-level serde is Parquet while partition-level serde is JSON
    * [HIVE-11981] - ORC Schema Evolution Issues (Vectorized, ACID, and Non-Vectorized)
    * [HIVE-11982] - Some test cases for union all fail with recent changes
    * [HIVE-11985] - don't store type names in metastore when metastore type names are not used
    * [HIVE-11988] - [hive] security issue with hive & ranger for import table command
    * [HIVE-11989] - vector_groupby_reduce.q is failing on CLI and MiniTez drivers on master
    * [HIVE-11990] - Loading data inpath from a temporary table dir fails on Windows
    * [HIVE-11995] - Remove repetitively setting permissions in insert/load overwrite partition
    * [HIVE-12004] - SDPO doesnt set colExprMap correctly on new RS
    * [HIVE-12007] - Hive LDAP Authenticator should allow just Domain without baseDN (for AD)
    * [HIVE-12008] - Hive queries failing when using count(*) on column in view
    * [HIVE-12011] - unable to create temporary table using CTAS if regular table with that name already exists
    * [HIVE-12012] - select query on json table with map containing numeric values fails
    * [HIVE-12018] - beeline --help doesn't return to original prompt
    * [HIVE-12021] - HivePreFilteringRule may introduce wrong common operands
    * [HIVE-12026] - Add test case to check permissions when truncating partition
    * [HIVE-12027] - simplify file metadata cache ppd api
    * [HIVE-12032] - Add unit test for HIVE-9855
    * [HIVE-12046] - Re-create spark client if connection is dropped
    * [HIVE-12048] - metastore file metadata cache should not be used when deltas are present
    * [HIVE-12053] - Stats performance regression caused by HIVE-11786
    * [HIVE-12057] - ORC sarg is logged too much
    * [HIVE-12058] - Change hive script to record errors when calling hbase fails
    * [HIVE-12060] - LLAP: create separate variable for llap tests
    * [HIVE-12061] - add file type support to file metadata by expr call
    * [HIVE-12062] - enable HBase metastore file metadata cache for tez tests
    * [HIVE-12065] - FS stats collection may generate incorrect stats for multi-insert query
    * [HIVE-12076] - WebHCat listing jobs after the given JobId even when templeton.jobs.listorder is set to lexicographicaldesc
    * [HIVE-12082] - Null comparison for greatest and least operator
    * [HIVE-12083] - HIVE-10965 introduces thrift error if partNames or colNames are empty
    * [HIVE-12084] - Hive queries with ORDER BY and large LIMIT fails with OutOfMemoryError Java heap space
    * [HIVE-12087] - IMPORT TABLE fails
    * [HIVE-12090] - Dead-code: Vectorized map-join murmur hash is run twice
    * [HIVE-12156] - expanding view doesn't quote reserved keyword
    * [HIVE-12166] - LLAP: Cache read error at 1000 Gb scale tests
    * [HIVE-12170] - normalize HBase metastore connection configuration
    * [HIVE-12171] - LLAP: BuddyAllocator failures when querying uncompressed data
    * [HIVE-12178] - LLAP: NPE in LRFU policy
    * [HIVE-12179] - Add option to not add spark-assembly.jar to Hive classpath
    * [HIVE-12182] - ALTER TABLE PARTITION COLUMN does not set partition column comments
    * [HIVE-12184] - DESCRIBE of fully qualified table fails when db and table name match and non-default database is in use
    * [HIVE-12188] - DoAs does not work properly in non-kerberos secured HS2
    * [HIVE-12189] - The list in pushdownPreds of ppd.ExprWalkerInfo should not be allowed to grow very large
    * [HIVE-12198] - LLAP: reader failures when querying uncompressed data
    * [HIVE-12200] - INSERT INTO table using a select statement w/o a FROM clause fails
    * [HIVE-12201] - Tez settings need to be shown in set -v output when execution engine is tez.
    * [HIVE-12202] - NPE thrown when reading legacy ACID delta files
    * [HIVE-12204] - Tez queries stopped running with ApplicationNotRunningException
    * [HIVE-12206] - ClassNotFound Exception during query compilation with Tez and Union query and GenericUDFs
    * [HIVE-12207] - Query fails when non-ascii characters are used in string literals
    * [HIVE-12208] - Vectorized JOIN NPE on dynamically partitioned hash-join + map-join
    * [HIVE-12210] - Fix a few failing tests: testCliDriver_udf_explode and testCliDriver_udtf_explode
    * [HIVE-12215] - Exchange partition does not show outputs field for post/pre execute hooks
    * [HIVE-12218] - Unable to create a like table for an hbase backed table
    * [HIVE-12220] - LLAP: Usability issues with hive.llap.io.cache.orc.size
    * [HIVE-12223] - Filter on Grouping__ID does not work properly
    * [HIVE-12224] - Remove HOLD_DDLTIME
    * [HIVE-12225] - LineageCtx should release all resources at clear
    * [HIVE-12227] - LLAP: better column vector object pools
    * [HIVE-12229] - Custom script in query cannot be executed in yarn-cluster mode [Spark Branch].
    * [HIVE-12230] - custom UDF configure() not called in Vectorization mode
    * [HIVE-12234] - Beeline quit tries to connect again if no existing connections
    * [HIVE-12238] - Vectorization: Thread-safety errors in VectorUDFDate
    * [HIVE-12246] - Orc FileDump fails with Missing CLI jar
    * [HIVE-12249] - Improve logging with tez
    * [HIVE-12250] - Zookeeper connection leaks in Hive's HBaseHandler.
    * [HIVE-12253] - revert HIVE-12061
    * [HIVE-12257] - Enhance ORC FileDump utility to handle flush_length files and recovery
    * [HIVE-12260] - Fix TestColumnStatistics and TestJsonFileDump test failures in master
    * [HIVE-12261] - schematool version info exit status should depend on compatibility, not equality
    * [HIVE-12262] - Session log dir cannot be created in some cases
    * [HIVE-12263] - Hive SchemaTool does not tolerate leading spaces in JDBC url
    * [HIVE-12266] - When client exists abnormally, it doesn't release ACID locks
    * [HIVE-12268] - Context leaks deleteOnExit paths
    * [HIVE-12277] - Hive macro results on macro_duplicate.q different after adding ORDER BY
    * [HIVE-12278] - Skip logging lineage for explain queries
    * [HIVE-12280] - HiveConnection does not try other HS2 after failure for service discovery
    * [HIVE-12281] - Vectorized MapJoin - use Operator::isLogDebugEnabled
    * [HIVE-12282] - beeline - update command printing in verbose mode
    * [HIVE-12287] - Lineage for lateral view shows wrong dependencies
    * [HIVE-12291] - Master: Update errata.txt for HIVE-12272
    * [HIVE-12292] - revert the if removal from HIVE-12237
    * [HIVE-12294] - log line "Duplicate ID <number> in column ID list" appears in the logs
    * [HIVE-12295] - change some logs from info to debug
    * [HIVE-12302] - Use KryoPool instead of thread-local caching
    * [HIVE-12304] - "drop database cascade" needs to unregister functions
    * [HIVE-12306] - fix hbase_queries.q failure
    * [HIVE-12307] - Streaming API TransactionBatch.close() must abort any remaining transactions in the batch
    * [HIVE-12310] - Update memory estimation login in TopNHash
    * [HIVE-12311] - explain CTAS fails if the table already exists
    * [HIVE-12312] - Excessive logging in PPD code
    * [HIVE-12315] - vectorization_short_regress.q has a wrong result issue for a double calculation
    * [HIVE-12318] - qtest failing due to NPE in logStats
    * [HIVE-12327] - WebHCat e2e tests TestJob_1 and TestJob_2 fail
    * [HIVE-12330] - Fix precommit Spark test part2
    * [HIVE-12332] - BucketingSortingReduceSinkOptimizer throws IOB exception for duplicate columns
    * [HIVE-12333] - tez_union_with_udf.q added to wrong section in testconfiguration.properties
    * [HIVE-12340] - ExecDriver.execute() unnecessarily sets METASTOREPWD to HIVE 
    * [HIVE-12341] - LLAP: add security to daemon protocol endpoint (excluding shuffle)
    * [HIVE-12343] - when column type is decimal and the literal value contains space will return null
    * [HIVE-12344] - Wrong types inferred for SemiJoin generation in CBO
    * [HIVE-12345] - Followup for HIVE-9013 : Hidden conf vars still visible through beeline
    * [HIVE-12346] - Internally used variables in HiveConf should not be settable via command
    * [HIVE-12349] - NPE in ORC SARG for IS NULL queries on Timestamp and Date columns
    * [HIVE-12352] - CompactionTxnHandler.markCleaned() may delete too much
    * [HIVE-12353] - When Compactor fails it calls CompactionTxnHandler.markedCleaned().  it should not.
    * [HIVE-12354] - MapJoin with double keys is slow on MR
    * [HIVE-12357] - Allow user to set tez job name
    * [HIVE-12363] - Incorrect results with orc ppd across ORC versions
    * [HIVE-12364] - Distcp job fails when run under Tez
    * [HIVE-12365] - Added resource path is sent to cluster as an empty string when externally removed
    * [HIVE-12366] - Refactor Heartbeater logic for transaction
    * [HIVE-12372] - Improve to support the multibyte character at lpad and rpad
    * [HIVE-12378] - Exception on HBaseSerDe.serialize binary field
    * [HIVE-12384] - Union Operator may produce incorrect result on TEZ
    * [HIVE-12385] - schematool failed on MySQL
    * [HIVE-12388] - GetTables cannot get external tables when TABLE type argument is given
    * [HIVE-12391] - SkewJoinOptimizer might not kick in if columns are renamed after TableScanOperator
    * [HIVE-12396] - BucketingSortingReduceSinkOptimizer may still throw IOB exception for duplicate columns
    * [HIVE-12397] - LLAP: add security to daemon-hosted shuffle
    * [HIVE-12399] - Native Vector MapJoin can encounter  "Null key not expected in MapJoin" and "Unexpected NULL in map join small table" exceptions
    * [HIVE-12404] - Orc ppd throws exception if types don't match
    * [HIVE-12406] - HIVE-9500 introduced incompatible change to LazySimpleSerDe public interface
    * [HIVE-12407] - Check fetch property to determine if a SortLimit contains a limit operation
    * [HIVE-12417] - Support for exclamation mark missing in regexp
    * [HIVE-12418] - HiveHBaseTableInputFormat.getRecordReader() causes Zookeeper connection leak.
    * [HIVE-12419] - hive.log.trace.id needs to be whitelisted
    * [HIVE-12422] - LLAP: add security to Web UI endpoint
    * [HIVE-12435] - SELECT COUNT(CASE WHEN...) GROUPBY returns 1 for 'NULL' in a case of ORC and vectorization is enabled.
    * [HIVE-12437] - SMB join in tez fails when one of the tables is empty
    * [HIVE-12444] - Global Limit optimization on ACID table without base directory may throw exception
    * [HIVE-12445] - Tracking of completed dags is a slow memory leak
    * [HIVE-12450] - OrcFileMergeOperator does not use correct compression buffer size
    * [HIVE-12456] - QueryId can't be stored in the configuration of the SessionState since multiple queries can run in a single session
    * [HIVE-12462] - DPP: DPP optimizers need to run on the TS predicate not FIL 
    * [HIVE-12463] - VectorMapJoinFastKeyStore has Array OOB errors
    * [HIVE-12465] - Hive might produce wrong results when (outer) joins are merged
    * [HIVE-12469] - Bump Commons-Collections dependency from 3.2.1 to 3.2.2. to address vulnerability
    * [HIVE-12473] - DPP: UDFs on the partition column side does not evaluate correctly
    * [HIVE-12475] - Parquet schema evolution within array<struct<>> doesn't work
    * [HIVE-12476] - Metastore NPE on Oracle with Direct SQL
    * [HIVE-12477] - Left Semijoins are incompatible with a cross-product
    * [HIVE-12479] - Vectorization: Vectorized Date UDFs with up-stream Joins
    * [HIVE-12487] - Fix broken MiniLlap tests
    * [HIVE-12489] - Analyze for partition fails if partition value has special characters
    * [HIVE-12490] - Metastore: Mysql ANSI_QUOTES is not there for some cases
    * [HIVE-12491] - Improve ndv heuristic for functions
    * [HIVE-12498] - ACID: Setting OrcRecordUpdater.OrcOptions.tableProperties() has no effect
    * [HIVE-12500] - JDBC driver not overlaying params supplied via properties object when reading params from ZK
    * [HIVE-12501] - LLAP: don't use read(ByteBuffer) in IO
    * [HIVE-12503] - GBY-Join transpose rule may go in infinite loop
    * [HIVE-12505] - Insert overwrite in same encrypted zone silently fails to remove some existing files
    * [HIVE-12506] - SHOW CREATE TABLE command creates a table that does not work for RCFile format
    * [HIVE-12508] - HiveAggregateJoinTransposeRule places a heavy load on the metadata system
    * [HIVE-12509] - Regenerate q files after HIVE-12017 went in
    * [HIVE-12510] - LLAP: Append attempt id either to thread name or NDC
    * [HIVE-12512] - Include driver logs in execution-level Operation logs
    * [HIVE-12517] - Beeline's use of failed connection(s) causes failures and leaks.
    * [HIVE-12522] - Wrong FS error during Tez merge files when warehouse and scratchdir are on different FS
    * [HIVE-12526] - PerfLogger for hive compiler and optimizer
    * [HIVE-12532] - LLAP Cache: Uncompressed data cache has NPE
    * [HIVE-12537] - RLEv2 doesn't seem to work
    * [HIVE-12542] - Create HiveRelFactories
    * [HIVE-12556] - Ctrl-C in beeline doesn't kill Tez query on HS2
    * [HIVE-12557] - NPE while removing entry in LRFU cache
    * [HIVE-12563] - NullPointerException with 3-way Tez merge join
    * [HIVE-12565] - VectorUDAFCount.aggregateInputSelection does not handle isRepeated case
    * [HIVE-12566] - Incorrect result returns when using COALESCE in WHERE condition with LEFT JOIN
    * [HIVE-12576] - Add missing license headers in preparation for the 2.0 release
    * [HIVE-12577] - NPE in LlapTaskCommunicator when unregistering containers
    * [HIVE-12578] - Hive query failing with error ClassCastException org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc cannot be cast to org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc
    * [HIVE-12583] - HS2 ShutdownHookManager holds extra of Driver instance 
    * [HIVE-12584] - Vectorized join with partition column of type char does not trim spaces 
    * [HIVE-12585] - fix TxnHandler connection leak
    * [HIVE-12589] - LLAP service gen is broken for log4j2
    * [HIVE-12590] - Repeated UDAFs with literals can produce incorrect result
    * [HIVE-12591] - LLAP cache counters displays -ve value for CacheCapacityUsed
    * [HIVE-12596] - Delete timestamp row throws java.lang.IllegalArgumentException: Timestamp format must be yyyy-mm-dd hh:mm:ss[.fffffffff]
    * [HIVE-12597] - LLAP - allow using elevator without cache
    * [HIVE-12598] - LLAP: disable fileId when not supported
    * [HIVE-12599] - Add logging to debug rare unexpected refCount error from the LLAP IO layer
    * [HIVE-12601] - HIVE-11985 change does not use partition deserializer
    * [HIVE-12605] - Implement JDBC Connection.isValid
    * [HIVE-12609] - Remove javaXML serialization
    * [HIVE-12610] - Hybrid Grace Hash Join should fail task faster if processing first batch fails, instead of continuing processing the rest
    * [HIVE-12632] - LLAP: don't use IO elevator for ACID tables 
    * [HIVE-12633] - LLAP: package included serde jars
    * [HIVE-12640] - Allow StatsOptimizer to optimize the query for Constant GroupBy keys 
    * [HIVE-12644] - Support for offset in HiveSortMergeRule
    * [HIVE-12645] - ConstantPropagateProcCtx.resolve() should verify internal names in addition to alias to match 2 columns from different row schemas 
    * [HIVE-12648] - LLAP IO was disabled in CliDriver by accident (and tests are broken)
    * [HIVE-12657] - selectDistinctStar.q results differ with jdk 1.7 vs jdk 1.8
    * [HIVE-12660] - HS2 memory leak with .hiverc file use
    * [HIVE-12661] - StatsSetupConst.COLUMN_STATS_ACCURATE is not used correctly
    * [HIVE-12662] - StackOverflowError in HiveSortJoinReduceRule when limit=0
    * [HIVE-12664] - Bug in reduce deduplication optimization causing ArrayOutOfBoundException
    * [HIVE-12666] - PCRExprProcFactory.GenericFuncExprProcessor.process() aggressively removes dynamic partition pruner generated synthetic join predicates.
    * [HIVE-12667] - Proper fix for HIVE-12473
    * [HIVE-12668] - package script for LLAP was broken by recent config changes
    * [HIVE-12674] - HS2 Tez sessions should have maximum age
    * [HIVE-12675] - PerfLogger should log performance metrics at debug level
    * [HIVE-12682] - Reducers in dynamic partitioning job spend a lot of time running hadoop.conf.Configuration.getOverlay
    * [HIVE-12684] - NPE in stats annotation when all values in decimal column are NULLs
    * [HIVE-12685] - Remove redundant hive-site.xml under common/src/test/resources/
    * [HIVE-12687] - LLAP Workdirs need to default to YARN local
    * [HIVE-12688] - HIVE-11826 makes hive unusable in properly secured cluster
    * [HIVE-12694] - LLAP: Slider destroy semantics require force
    * [HIVE-12698] - Remove exposure to internal privilege and principal classes in HiveAuthorizer
    * [HIVE-12699] - LLAP: hive.llap.daemon.work.dirs setting backward compat name doesn't work 
    * [HIVE-12706] - Incorrect output from from_utc_timestamp()/to_utc_timestamp when local timezone has DST
    * [HIVE-12710] - add better logging for Tez session creation thread failures
    * [HIVE-12712] - HiveInputFormat may fail to column names to read in some cases
    * [HIVE-12717] - Enabled to accept quoting of all character backslash qooting mechanism to json_tuple UDTF
    * [HIVE-12722] - Create abstract subclass for HiveAuthorizer to shield implementations from interface changes
    * [HIVE-12724] - ACID: Major compaction fails to include the original bucket files into MR job
    * [HIVE-12726] - exclude hadoop jars from webhcat hcatalog/share/webhcat/svr/lib
    * [HIVE-12727] - refactor Hive strict checks to be more granular, allow order by no limit and no partition filter by default for now
    * [HIVE-12728] - Apply DDL restrictions for ORC schema evolution
    * [HIVE-12735] - Constant folding for WHEN/CASE expression does not set return type correctly
    * [HIVE-12738] - subquery with NOT IN failing due to ClassCastException
    * [HIVE-12740] - NPE with HS2 when using null input format
    * [HIVE-12741] - HS2 ShutdownHookManager holds extra of Driver instance in master/branch-2.0
    * [HIVE-12742] - NULL table comparison within CASE does not work as previous hive versions
    * [HIVE-12743] - RCFileInputFormat needs to be registered with kryo
    * [HIVE-12744] - GROUPING__ID failed to be recognized in multiple insert
    * [HIVE-12758] - Parallel compilation: Operator::resetId() is not thread-safe
    * [HIVE-12762] - Common join on parquet tables returns incorrect result when hive.optimize.index.filter set to true
    * [HIVE-12766] - TezTask does not close DagClient after execution
    * [HIVE-12768] - Thread safety: binary sortable serde decimal deserialization
    * [HIVE-12772] - Beeline/JDBC output of decimal values is not 0-padded, does not match with CLI output
    * [HIVE-12785] - View with union type and UDF to `cast` the struct is broken
    * [HIVE-12786] - CBO may fail for recoverable errors
    * [HIVE-12788] - Setting hive.optimize.union.remove to TRUE will break UNION ALL with aggregate functions
    * [HIVE-12790] - Metastore connection leaks in HiveServer2
    * [HIVE-12794] - LLAP cannot run queries against HBase due to missing HBase jars
    * [HIVE-12797] - Synchronization issues with tez/llap session pool in hs2
    * [HIVE-12800] - HiveFilterSetOpTransposeRule might be executed over non deterministic filter predicates
    * [HIVE-12809] - Vectorization: fast-path for coalesce if input.noNulls = true
    * [HIVE-12813] - LLAP: issues in setup, shutdown
    * [HIVE-12815] - column stats NPE for a query w/o a table
    * [HIVE-12820] - Remove the check if carriage return and new line are used for separator or escape character
    * [HIVE-12824] - CBO doesnt get triggered when aggregate function is used within windowing function 
    * [HIVE-12826] - Vectorization: fix VectorUDAF* suspect isNull checks
    * [HIVE-12827] - Vectorization: VectorCopyRow/VectorAssignRow/VectorDeserializeRow assign needs explicit isNull[offset] modification
    * [HIVE-12851] - Add slider security setting support to LLAP packager
    * [HIVE-12864] - StackOverflowError parsing queries with very large predicates
    * [HIVE-12875] - Verify sem.getInputs() and sem.getOutputs()
    * [HIVE-12879] - RowResolver of Semijoin not updated in CalcitePlanner
    * [HIVE-12893] - Sorted dynamic partition does not work if subset of partition columns are constant folded
    * [HIVE-12904] - LLAP: deadlock in task scheduling
    * [HIVE-12905] - Issue with mapjoin in tez under certain conditions
    * [HIVE-12911] - PPD might get exercised even when flag is false if CBO is on
    * [HIVE-12915] - Tez session pool has concurrency issues during init
    * [HIVE-12920] - LLAP fails to start with java.lang.NumberFormatException
    * [HIVE-12926] - Another synchronization issue with tez/llap session pool in hs2
    * [HIVE-12931] - Shuffle tokens stay around forever in LLAP
    * [HIVE-12945] - Bucket pruning: bucketing for -ve hashcodes have historical issues
    * [HIVE-12947] - SMB join in tez has ClassCastException when container reuse is on
    * [HIVE-12964] - TestOperationLoggingAPIWithMr,TestOperationLoggingAPIWithTez fail on branch-2.0 (with Java 7, at least)
    * [HIVE-12985] - distribution configs are wrong and out of date
    * [HIVE-13024] - schematool does not log anywhere
    * [HIVE-13032] - Hive services need HADOOP_CLIENT_OPTS for proper log4j2 initialization


** Improvement
    * [HIVE-1841] -  datanucleus.fixedDatastore should be true in hive-default.xml
    * [HIVE-2327] - Optimize REGEX UDFs with constant parameter information
    * [HIVE-6758] - Beeline doesn't work with -e option when started in background
    * [HIVE-8190] - LDAP user match for authentication on hiveserver2
    * [HIVE-8583] - HIVE-8341 Cleanup & Test for hive.script.operator.env.blacklist
    * [HIVE-9365] - The Metastore should take port configuration from hive-site.xml
    * [HIVE-9599] - remove derby, datanucleus and other not related to jdbc client classes from hive-jdbc-standalone.jar
    * [HIVE-9695] - Redundant filter operator in reducer Vertex when CBO is disabled
    * [HIVE-10048] - JDBC - Support SSL encryption regardless of Authentication mechanism
    * [HIVE-10165] - Improve hive-hcatalog-streaming extensibility and support updates and deletes.
    * [HIVE-10239] - Create scripts to do metastore upgrade tests on jenkins for Derby and PostgreSQL
    * [HIVE-10302] - Load small tables (for map join) in executor memory only once [Spark Branch]
    * [HIVE-10319] - Hive CLI startup takes a long time with a large number of databases
    * [HIVE-10403] - Add n-way join support for Hybrid Grace Hash Join
    * [HIVE-10435] - Make HiveSession implementation pluggable through configuration
    * [HIVE-10531] - Implement isClosed() to HiveQueryResultSet
    * [HIVE-10555] - Improve windowing spec of range based windowing to support additional range formats
    * [HIVE-10639] - create SHA1 UDF
    * [HIVE-10641] - create CRC32 UDF
    * [HIVE-10644] - create SHA2 UDF
    * [HIVE-10657] - Remove copyBytes operation from MD5 UDF
    * [HIVE-10709] - Update Avro version to 1.7.7
    * [HIVE-10710] - Delete GenericUDF.getConstantLongValue
    * [HIVE-10748] - Replace StringBuffer with StringBuilder where possible
    * [HIVE-11037] - HiveOnTez: make explain user level = true as default
    * [HIVE-11052] - Unify HiveSessionBase#getusername method
    * [HIVE-11055] - HPL/SQL - Implementing Procedural SQL in Hive (PL/HQL Contribution)
    * [HIVE-11076] - Explicitly set hive.cbo.enable=true for some tests
    * [HIVE-11136] - Unused Logger in org.apache.hadoop.hive.ql.udf.generic.GenericUDAFCount
    * [HIVE-11139] - Emit more lineage information
    * [HIVE-11145] - Remove OFFLINE and NO_DROP from tables and partitions
    * [HIVE-11179] - HIVE should allow custom converting from HivePrivilegeObjectDesc to privilegeObject for different authorizers
    * [HIVE-11182] - Enable optimized hash tables for spark [Spark Branch]
    * [HIVE-11240] - Change value type from int to long for HiveConf.ConfVars.METASTORESERVERMAXMESSAGESIZE
    * [HIVE-11244] - Beeline prompt info improvement for cluster mode
    * [HIVE-11254] - Process result sets returned by a stored procedure
    * [HIVE-11262] - Skip MapJoin processing if the join hash table is empty
    * [HIVE-11290] - Cursor attributes %ISOPEN, %FOUND, %NOTFOUND and SYS_REFCURSOR variable
    * [HIVE-11291] - Avoid allocation storm while doing rule matching on operator/expression trees
    * [HIVE-11304] - Migrate to Log4j2 from Log4j 1.x
    * [HIVE-11306] - Add a bloom-1 filter for Hybrid MapJoin spills
    * [HIVE-11329] - Column prefix in key of hbase column prefix map
    * [HIVE-11354] - HPL/SQL extending compatibility with Transact-SQL
    * [HIVE-11366] - Avoid right leaning tree hashCode depth during ExprNodeDescEqualityWrapper HashMaps
    * [HIVE-11383] - Upgrade Hive to Calcite 1.4
    * [HIVE-11442] - Remove commons-configuration.jar from Hive distribution
    * [HIVE-11457] - Vectorization: Improve SIMD JIT in GenVectorCode StringExpr instrinsics 
    * [HIVE-11482] - Add retrying thrift client for HiveServer2
    * [HIVE-11496] - Better tests for evaluating ORC predicate pushdown
    * [HIVE-11506] - Casting varchar/char type to string cannot be vectorized
    * [HIVE-11512] - Hive LDAP Authenticator should also support full DN in Authenticate() 
    * [HIVE-11513] - AvroLazyObjectInspector could handle empty data better
    * [HIVE-11525] - Bucket pruning
    * [HIVE-11531] - Add mysql-style LIMIT support to Hive, or improve ROW_NUMBER performance-wise
    * [HIVE-11534] - Improve validateTableCols error message
    * [HIVE-11536] - %TYPE and %ROWTYPE attributes in data type declaration
    * [HIVE-11538] - Add an option to skip init script while running tests
    * [HIVE-11544] - LazyInteger should avoid throwing NumberFormatException
    * [HIVE-11564] - HBaseSchemaTool should be able to list objects
    * [HIVE-11569] - Use PreOrderOnceWalker where feasible
    * [HIVE-11617] - Explain plan for multiple lateral views is very slow
    * [HIVE-11627] - Reduce the number of accesses to hashmaps in PPD
    * [HIVE-11638] - ExprNodeDesc hashMap accidentally degrades into O(N) instead of O(1)
    * [HIVE-11645] - Add in-place updates for dynamic partitions loading
    * [HIVE-11659] - Make Vectorization use the fast StringExpr everywhere
    * [HIVE-11720] - Allow HiveServer2 to set custom http request/response header size
    * [HIVE-11724] - WebHcat get jobs to order jobs on time order with latest at top
    * [HIVE-11780] - Add "set role none" support
    * [HIVE-11783] - Extending HPL/SQL parser
    * [HIVE-11789] - Better support for functions recognition in CBO
    * [HIVE-11807] - Set ORC buffer size in relation to set stripe size
    * [HIVE-11814] - Emit query time in lineage info
    * [HIVE-11816] - Upgrade groovy to 2.4.4
    * [HIVE-11881] - Supporting HPL/SQL Packages
    * [HIVE-11882] - Fetch optimizer should stop source files traversal once it exceeds the hive.fetch.task.conversion.threshold
    * [HIVE-11891] - Add basic performance logging to metastore calls
    * [HIVE-11923] - allow qtests to run via a single client session for tez and llap
    * [HIVE-11937] - Improve StatsOptimizer to deal with query with additional constant columns
    * [HIVE-11955] - Add costing for join-groupby transpose rule
    * [HIVE-11972] - [Refactor] Improve determination of dynamic partitioning columns in FileSink Operator
    * [HIVE-11984] - Add HS2 open operation metrics
    * [HIVE-12002] - correct implementation typo
    * [HIVE-12006] - Enable Columnar Pushdown for RC/ORC File for HCatLoader
    * [HIVE-12017] - Do not disable CBO by default when number of joins in a query is equal or less than 1
    * [HIVE-12038] - Fix the 'overall' section in the HiveQA report
    * [HIVE-12040] - CBO: Use CBO, even for the 1 JOIN + GROUP BY case
    * [HIVE-12059] - Clean up reference to deprecated constants in AvroSerdeUtils
    * [HIVE-12063] - Pad Decimal numbers with trailing zeros to the scale of the column
    * [HIVE-12070] - Relax type restrictions on 'Greatest' and 'Least'
    * [HIVE-12175] - Upgrade Kryo version to 3.0.x
    * [HIVE-12186] - Upgrade Hive to Calcite 1.5
    * [HIVE-12187] - Release plan once a query is executed 
    * [HIVE-12209] - Vectorized simple CASE expressions with nulls
    * [HIVE-12235] - Improve beeline logging for dynamic service discovery
    * [HIVE-12236] - Enable SimpleFetchOptimizer for more query types
    * [HIVE-12265] - Generate lineage info only if requested
    * [HIVE-12288] - Extend HIVE-11306 changes to apply to Native vectorized map-joins
    * [HIVE-12289] - Make sure slf4j-log4j12 jar is not in classpath
    * [HIVE-12290] - Native Vector ReduceSink
    * [HIVE-12300] - deprecate MR in Hive 2.0
    * [HIVE-12309] - TableScan should use column stats when available for better data size estimate
    * [HIVE-12317] - Emit current database in lineage info
    * [HIVE-12319] - Remove HadoopShims::getHadoopConfNames()
    * [HIVE-12320] - hive.metastore.disallow.incompatible.col.type.changes should be true by default
    * [HIVE-12325] - Turn hive.map.groupby.sorted on by default
    * [HIVE-12329] - Turn on limit pushdown optimization by default
    * [HIVE-12331] - Remove hive.enforce.bucketing & hive.enforce.sorting configs
    * [HIVE-12443] - Hive Streaming should expose encoding and serdes for testing
    * [HIVE-12470] - Allow splits to provide custom consistent locations, instead of being tied to data locality
    * [HIVE-12496] - Open ServerTransport After MetaStore Initialization 
    * [HIVE-12523] - display Hive query name in explain plan
    * [HIVE-12623] - Add an option to force allocation of fragments on requested nodes
    * [HIVE-12693] - LLAP: Use Slider Anti-Affinity scheduling mode for daemon distribution
    * [HIVE-12713] - Miscellaneous improvements in driver compile and execute logging
    * [HIVE-12751] - Fix NVL explain syntax
    * [HIVE-12761] - Add stack trace servlet to HS2 web ui
    * [HIVE-12769] - LLAP: Pick up java_home from System properties for Slider
    * [HIVE-13025] - need a better error message for when one needs to run schematool


** New Feature
    * [HIVE-686] - add UDF substring_index
    * [HIVE-3404] - Create quarter UDF
    * [HIVE-7926] - long-lived daemons for query fragment execution, I/O and caching
    * [HIVE-10591] - Support limited integer type promotion in ORC
    * [HIVE-10592] - ORC file dump in JSON format
    * [HIVE-10673] - Dynamically partitioned hash join for Tez
    * [HIVE-10761] - Create codahale-based metrics system for Hive
    * [HIVE-10785] - Support aggregate push down through joins
    * [HIVE-11103] - Add banker's rounding BROUND UDF
    * [HIVE-11461] - Transform flat AND/OR into IN struct clause
    * [HIVE-11488] - Add sessionId and queryId info to HS2 log
    * [HIVE-11593] - Add aes_encrypt and aes_decrypt UDFs
    * [HIVE-11600] - Hive Parser to Support multi col in clause (x,y..) in ((..),..., ())
    * [HIVE-11684] - Implement limit pushdown through outer join in CBO
    * [HIVE-11699] - Support special characters in quoted table names
    * [HIVE-11706] - Implement "show create database"
    * [HIVE-11775] - Implement limit push down through union all in CBO
    * [HIVE-11785] - Support escaping carriage return and new line for LazySimpleSerDe
    * [HIVE-11976] - Extend CBO rules to being able to apply rules only once on a given operator
    * [HIVE-12080] - Support auto type widening (int->bigint & float->double) for Parquet table


** Task
    * [HIVE-10485] - Create md5 UDF
    * [HIVE-10667] - Upgrade Calcite dependency to newest version
    * [HIVE-10868] - Update release note for 1.2.0 and 1.1.0
    * [HIVE-10870] - Merge Spark branch to trunk 5/29/2015
    * [HIVE-11018] - Turn on cbo in more q files
    * [HIVE-11096] - Bump the parquet version to 1.7.0
    * [HIVE-11158] - Add tests for HPL/SQL
    * [HIVE-11378] - Remove hadoop-1 support from master branch
    * [HIVE-11489] - Jenkins PreCommit-HIVE-SPARK-Build fails with TestCliDriver.initializationError
    * [HIVE-11582] - Remove conf variable hive.mapred.supports.subdirectories
    * [HIVE-11754] - Not reachable code parts in StatsUtils
    * [HIVE-12005] - Remove hbase based stats collection mechanism
    * [HIVE-12010] - Tests should use FileSystem based stats collection mechanism
    * [HIVE-12164] - Remove jdbc stats collection mechanism
    * [HIVE-12237] - Use slf4j as logging facade
    * [HIVE-12239] - Constants in hive.common.metrics.common.MetricsConstant are not final
    * [HIVE-12256] - Move LLAP registry into llap-client module
    * [HIVE-12383] - Update golden file for cbo_rp_annotate_stats_groupby test
    * [HIVE-12411] - Remove counter based stats collection mechanism
    * [HIVE-12413] - Default mode for hive.mapred.mode should be strict
    * [HIVE-12429] - Switch default Hive authorization to SQLStandardAuth in 2.0
    * [HIVE-12430] - Remove remaining reference to the hadoop-2 profile
    * [HIVE-12434] - Merge spark into master 11/17/1015
    * [HIVE-12436] - Default hive.metastore.schema.verification to true
    * [HIVE-12520] - Fix schema_evol* tests on master
    * [HIVE-12658] - Task rejection by an llap daemon spams the log with RejectedExecutionExceptions
    * [HIVE-12934] - Refactor llap module structure to allow for a usable client


** Test
    * [HIVE-7375] - Add option in test infra to compile in other profiles (like hadoop-1)
    * [HIVE-10583] - Switch precommit from ASF to Github repo to avoid clone failures
    * [HIVE-10903] - Add hive.in.test for HoS tests
    * [HIVE-10969] - Test autogen_colalias failing on trunk
    * [HIVE-11026] - Make vector_outer_join* test more robust
    * [HIVE-11083] - Make test cbo_windowing robust
    * [HIVE-11384] - Add Test case which cover both HIVE-11271 and HIVE-11333
    * [HIVE-11620] - Fix several qtest output order
    * [HIVE-11791] - Add unit test for HIVE-10122
    * [HIVE-11946] - TestNotificationListener is flaky
    * [HIVE-11962] - Improve windowing_windowspec2.q tests to return consistent results
    * [HIVE-12213] - Investigating the test failure TestHCatClient.testTableSchemaPropagation
    * [HIVE-12560] - Few tests hang forever
    * [HIVE-12697] - Remove deprecated post option from webhcat test files


** Wish
    * [HIVE-10427] - collect_list() and collect_set() should accept struct types as argument


Release Notes - Hive - Version 1.2.1

** Sub-task
    * [HIVE-10629] - Dropping table in an encrypted zone does not drop warehouse directory
    * [HIVE-10630] - Renaming tables across encryption zones renames table even though the operation throws error
    * [HIVE-10658] - Insert with values clause may expose data that should be encrypted
    * [HIVE-10747] - Enable the cleanup of side effect for the Encryption related qfile test
    * [HIVE-10910] - Alter table drop partition queries in encrypted zone failing to remove data from HDFS


** Bug
    * [HIVE-4577] - hive CLI can't handle hadoop dfs command  with space and quotes.
    * [HIVE-8931] - Test TestAccumuloCliDriver is not completing
    * [HIVE-9069] - Simplify filter predicates for CBO
    * [HIVE-9828] - Semantic analyzer does not capture view parent entity for tables referred in view with union all
    * [HIVE-9842] - Enable session/operation timeout by default in HiveServer2
    * [HIVE-10107] - Union All : Vertex missing stats resulting in OOM and in-efficient plans
    * [HIVE-10244] - Vectorization : TPC-DS Q80 fails with java.lang.ClassCastException when hive.vectorized.execution.reduce.enabled is enabled
    * [HIVE-10453] - HS2 leaking open file descriptors when using UDFs
    * [HIVE-10528] - Hiveserver2 in HTTP mode is not applying auth_to_local rules
    * [HIVE-10563] - MiniTezCliDriver tests ordering issues
    * [HIVE-10605] - Make hive version number update automatically in webhcat-default.xml during hive tar generation
    * [HIVE-10606] - Divide by zero error in HybridHashTableContainer
    * [HIVE-10627] - Queries fail with Failed to breakup Windowing invocations into Groups
    * [HIVE-10628] - Incorrect result when vectorized native mapjoin is enabled using null safe operators <=>
    * [HIVE-10659] - Beeline command which contains semi-colon as a non-command terminator will fail
    * [HIVE-10664] - Unit tests run fail in windows because of  illegal escape character in file path
    * [HIVE-10672] - Analyze command on a table using row format serde JsonSerDe fails with NoClassDefFoundError
    * [HIVE-10674] - jars should not be checked in to the source control repo
    * [HIVE-10675] - Provide option to skip Accumulo related Hive tests in itests directory
    * [HIVE-10677] - hive.exec.parallel=true has problem when it is used for analyze table column stats
    * [HIVE-10678] - update sql standard authorization configuration whitelist - more optimization flags
    * [HIVE-10679] - JsonSerde ignores varchar and char size limit specified during table creation
    * [HIVE-10684] - Fix the unit test failures for HIVE-7553 after HIVE-10674 removed the binary jar files
    * [HIVE-10685] - Alter table concatenate oparetor will cause duplicate data
    * [HIVE-10686] - java.lang.IndexOutOfBoundsException for query with rank() over(partition ...)
    * [HIVE-10688] - constant folding is broken for case-when udf
    * [HIVE-10689] - HS2 metadata api calls should use HiveAuthorizer interface for authorization
    * [HIVE-10690] - ArrayIndexOutOfBounds exception in MetaStoreDirectSql.aggrColStatsForPartitions()
    * [HIVE-10696] - TestAddResource tests are non-portable
    * [HIVE-10704] - Errors in Tez HashTableLoader when estimated table size is 0
    * [HIVE-10711] - Tez HashTableLoader attempts to allocate more memory than available when HIVECONVERTJOINNOCONDITIONALTASKTHRESHOLD exceeds process max mem
    * [HIVE-10719] - Hive metastore failure when alter table rename is attempted.
    * [HIVE-10724] - WebHCat e2e test TestStreaming_5 fails on Windows
    * [HIVE-10727] - Import throws error message "org.apache.thrift.protocol.TProtocolException: Required field 'filesAdded' is unset!"
    * [HIVE-10735] - Cached plan race condition - VectorMapJoinCommonOperator has no closeOp()
    * [HIVE-10736] - HiveServer2 shutdown of cached tez app-masters is not clean
    * [HIVE-10741] - count distinct rewrite is not firing
    * [HIVE-10745] - Better null handling by Vectorizer
    * [HIVE-10746] -  Hive 1.2.0+Tez produces 1-byte FileSplits from mapred.TextInputFormat
    * [HIVE-10753] - hs2 jdbc url - wrong connection string cause  error on beeline/jdbc/odbc client, misleading message
    * [HIVE-10760] - Templeton: HCatalog Get Column for Non-existent column returns Server Error (500) rather than Not Found(404)
    * [HIVE-10768] - In QTestGenTask.execute() we should not throw an exception right away if we are unable to clean any old files
    * [HIVE-10776] - Schema on insert for bucketed tables throwing NullPointerException
    * [HIVE-10789] - union distinct query with NULL constant on both the sides throws "Unsuported vector output type: void" error
    * [HIVE-10792] - PPD leads to wrong answer when mapper scans the same table with multiple aliases
    * [HIVE-10801] - 'drop view' fails throwing java.lang.NullPointerException
    * [HIVE-10805] - OOM in vectorized reduce
    * [HIVE-10811] - RelFieldTrimmer throws NoSuchElementException in some cases
    * [HIVE-10813] - Fix current test failures after HIVE-8769
    * [HIVE-10819] - SearchArgumentImpl for Timestamp is broken by HIVE-10286
    * [HIVE-10828] - Insert with schema and dynamic partitions NullPointerException
    * [HIVE-10829] - ATS hook fails for explainTask
    * [HIVE-10839] - TestHCatLoaderEncryption.* tests fail in windows because of path related issues
    * [HIVE-10840] - NumberFormatException while running analyze table partition compute statics query
    * [HIVE-10841] - [WHERE col is not null] does not work sometimes for queries with many JOIN statements
    * [HIVE-10843] - desc database and show tables commands don't pass db to HiveAuthorizer check
    * [HIVE-10845] - TezJobMonitor uses killedTaskCount instead of killedTaskAttemptCount
    * [HIVE-10857] - Accumulo storage handler fail throwing java.lang.IllegalArgumentException: Cannot determine SASL mechanism for token class: class org.apache.accumulo.core.client.security.tokens.PasswordToken
    * [HIVE-10858] - WebHCat specific resources should be added to HADOOP_CLASSPATH first
    * [HIVE-10862] - TestHiveAuthorizerShowFilters tests fail when run in sequence
    * [HIVE-10874] - Fail in TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx_cbo_2.q due to duplicate column name
    * [HIVE-10875] - Select query with view in subquery adds underlying table as direct input
    * [HIVE-10877] - TestUtil class name confuses ptest2
    * [HIVE-10885] - with vectorization enabled join operation involving interval_day_time fails
    * [HIVE-10887] - TestCliDriver tests ordering issues with Mac and CentOS
    * [HIVE-10892] - TestHCatClient should not accept external metastore param from -Dhive.metastore.uris
    * [HIVE-10907] - Hive on Tez: Classcast exception in some cases with SMB joins
    * [HIVE-10919] - Windows: create table with JsonSerDe failed via beeline unless you add hcatalog core jar to classpath
    * [HIVE-10922] - In HS2 doAs=false mode, file system related errors in one query causes other failures
    * [HIVE-10925] - Non-static threadlocals in metastore code can potentially cause memory leak
    * [HIVE-10929] - In Tez mode,dynamic partitioning query with union all fails at moveTask,Invalid partition key & values
    * [HIVE-10934] - Restore support for DROP PARTITION PURGE
    * [HIVE-10941] - Provide option to disable spark tests outside itests
    * [HIVE-10949] - Disable hive-minikdc tests in Windows
    * [HIVE-10957] - QueryPlan's start time is incorrect in certain cases
    * [HIVE-10958] - Centos: TestMiniTezCliDriver.testCliDriver_mergejoin fails
    * [HIVE-10959] - webhcat launcher job should reconnect to the running child job on task retry
    * [HIVE-10965] - direct SQL for stats fails in 0-column case
    * [HIVE-10966] - direct SQL for stats has a cast exception on some databases
    * [HIVE-10967] - add mapreduce.job.tags to sql std authorization config whitelist
    * [HIVE-10968] - Windows: analyze json table via beeline failed throwing Class org.apache.hive.hcatalog.data.JsonSerDe not found
    * [HIVE-10971] - count(*) with count(distinct) gives wrong results when hive.groupby.skewindata=true
    * [HIVE-10992] - WebHCat should not create delegation tokens when Kerberos is not enabled
    * [HIVE-10994] - Hive.moveFile should not fail on a no-op move
    * [HIVE-11001] - HS2 http cookie mode does not honor doAs url parameter
    * [HIVE-11006] - improve logging wrt ACID module
    * [HIVE-11010] - Accumulo storage handler queries via HS2 fail
    * [HIVE-11023] - Disable directSQL if datanucleus.identifierFactory = datanucleus2
    * [HIVE-11027] - Hive on tez: Bucket map joins fail when hashcode goes negative
    * [HIVE-11031] - ORC concatenation of old files can fail while merging column statistics
    * [HIVE-11033] - BloomFilter index is not honored by ORC reader
    * [HIVE-11035] - PPD: Orc Split elimination fails because filterColumns=[-1]
    * [HIVE-11040] - Change Derby dependency version to 10.10.2.0
    * [HIVE-11041] - Update tests for HIVE-9302 after removing binaries
    * [HIVE-11047] - Update versions of branch-1.2 to 1.2.1


** Improvement
    * [HIVE-8769] - Physical optimizer : Incorrect CE results in a shuffle join instead of a Map join (PK/FK pattern not detected)
    * [HIVE-10812] - Scaling PK/FK's selectivity for stats annotation
    * [HIVE-10900] - Fix the indeterministic stats for some hive queries


** New Feature
    * [HIVE-10636] - CASE comparison operator rotation optimization
    * [HIVE-10716] - Fold case/when udf for expression involving nulls in filter operator.


** Task
    * [HIVE-10327] - Remove ExprNodeNullDesc
    * [HIVE-11018] - Turn on cbo in more q files


** Test
    * [HIVE-10869] - fold_case.q failing on trunk
    * [HIVE-10909] - Make TestFilterHooks robust
    * [HIVE-10939] - Make TestFileDump robust
    * [HIVE-10955] - CliDriver leaves tables behind at end of test run
    * [HIVE-11026] - Make vector_outer_join* test more robust


Release Notes - Hive - Version 1.2.0

** Sub-task
    * [HIVE-8119] - Implement Date in ParquetSerde
    * [HIVE-8164] - Adding in a ReplicationTask that converts a Notification Event to actionable tasks
    * [HIVE-8165] - Annotation changes for replication
    * [HIVE-8379] - NanoTimeUtils performs some work needlessly
    * [HIVE-8696] - HCatClientHMSImpl doesn't use a Retrying-HiveMetastoreClient.
    * [HIVE-8817] - Create unit test where we insert into an encrypted table and then read from it with pig
    * [HIVE-8818] - Create unit test where we insert into an encrypted table and then read from it with hcatalog mapreduce
    * [HIVE-9009] - order by (limit) meaning for the last subquery of union in Hive is different from other main stream RDBMS
    * [HIVE-9253] - MetaStore server should support timeout for long running requests
    * [HIVE-9271] - Add ability for client to request metastore to fire an event
    * [HIVE-9273] - Add option to fire metastore event on insert
    * [HIVE-9327] - CBO (Calcite Return Path): Removing Row Resolvers from ParseContext
    * [HIVE-9333] - Move parquet serialize implementation to DataWritableWriter to improve write speeds
    * [HIVE-9432] - CBO (Calcite Return Path): Removing QB from ParseContext
    * [HIVE-9501] - DbNotificationListener doesn't include dbname in create database notification and does not include tablename in create table notification
    * [HIVE-9508] - MetaStore client socket connection should have a lifetime
    * [HIVE-9516] - Enable CBO related tests [Spark Branch]
    * [HIVE-9550] - ObjectStore.getNextNotification() can return events inside NotificationEventResponse as null which conflicts with its thrift "required" tag
    * [HIVE-9558] - [Parquet] support HiveDecimalWritable, HiveCharWritable, HiveVarcharWritable in vectorized mode
    * [HIVE-9561] - SHUFFLE_SORT should only be used for order by query [Spark Branch]
    * [HIVE-9563] - CBO(Calcite Return Path): Translate GB to Hive OP [CBO branch]
    * [HIVE-9569] - Enable more unit tests for UNION ALL [Spark Branch]
    * [HIVE-9571] - CBO (Calcite Return Path): Generate FileSink Op [CBO branch]
    * [HIVE-9582] - HCatalog should use IMetaStoreClient interface
    * [HIVE-9585] - AlterPartitionMessage should return getKeyValues instead of getValues
    * [HIVE-9601] - New Beeline queries will hang If Beeline terminates in-properly [Spark Branch]
    * [HIVE-9657] - Use new parquet Types API builder to construct data types
    * [HIVE-9659] - 'Error while trying to create table container' occurs during hive query case execution when hive.optimize.skewjoin set to 'true' [Spark Branch]
    * [HIVE-9666] - Improve some qtests
    * [HIVE-9671] - Support Impersonation [Spark Branch]
    * [HIVE-9690] - Refactoring for non-numeric arithmetic operations
    * [HIVE-9696] - Address RB comments for HIVE-9425 [Spark Branch]
    * [HIVE-9698] - Merge trunk to Spark branch 2/15/2015 [Spark Branch]
    * [HIVE-9726] - Upgrade to spark 1.3 [Spark Branch]
    * [HIVE-9750] - avoid log locks in operators
    * [HIVE-9781] - Utilize spark.kryo.classesToRegister [Spark Branch]
    * [HIVE-9792] - Support interval type in expressions/predicates
    * [HIVE-9810] - prep object registry for multi threading
    * [HIVE-9812] - Merge trunk to Spark branch 02/27/2015 [Spark Branch]
    * [HIVE-9819] - Add timeout check inside the HMS server
    * [HIVE-9823] - Load spark-defaults.conf from classpath [Spark Branch]
    * [HIVE-9824] - LLAP: Native Vectorization of Map Join
    * [HIVE-9871] - Print spark job id in history file [spark branch]
    * [HIVE-9882] - Add jar/file doesn't work with yarn-cluster mode [Spark Branch]
    * [HIVE-9889] - Merge trunk to Spark branch 3/6/2015 [Spark Branch]
    * [HIVE-9894] - Use new parquet Types API builder to construct DATE data type
    * [HIVE-9906] - Add timeout mechanism in RawStoreProxy
    * [HIVE-9937] - LLAP: Vectorized Field-By-Field Serialize / Deserialize to support new Vectorized Map Join
    * [HIVE-9969] - Avoid Utilities.getMapRedWork for spark [Spark Branch]
    * [HIVE-9982] - CBO (Calcite Return Path): Prune TS Relnode schema
    * [HIVE-9998] - Vectorization support for interval types
    * [HIVE-10006] - RSC has memory leak while execute multi queries.[Spark Branch]
    * [HIVE-10037] - JDBC support for interval expressions
    * [HIVE-10044] - Allow interval params for year/month/day/hour/minute/second functions
    * [HIVE-10053] - Override new init API fom ReadSupport instead of the deprecated one
    * [HIVE-10071] - CBO (Calcite Return Path): Join to MultiJoin rule
    * [HIVE-10076] - Bump up parquet-hadoop-bundle and parquet-column to the version of 1.6.0rc6
    * [HIVE-10130] - Merge trunk to Spark branch 03/27/2015 [Spark Branch]
    * [HIVE-10131] - LLAP: BytesBytesMultiHashMap and mapjoin container should reuse refs
    * [HIVE-10134] - Fix test failures after HIVE-10130 [Spark Branch]
    * [HIVE-10227] - Concrete implementation of Export/Import based ReplicationTaskFactory
    * [HIVE-10228] - Changes to Hive Export/Import/DropTable/DropPartition to support replication semantics
    * [HIVE-10243] - CBO (Calcite Return Path): Introduce JoinAlgorithm Interface
    * [HIVE-10252] - Make PPD work for Parquet in row group level
    * [HIVE-10262] - CBO (Calcite Return Path): Temporarily disable Aggregate check input for bucketing
    * [HIVE-10263] - CBO (Calcite Return Path): Aggregate checking input for bucketing should be conditional
    * [HIVE-10291] - Hive on Spark job configuration needs to be logged [Spark Branch]
    * [HIVE-10326] - CBO (Calcite Return Path): Invoke Hive's Cumulative Cost
    * [HIVE-10329] - Hadoop reflectionutils has issues
    * [HIVE-10343] - CBO (Calcite Return Path): Parameterize algorithm cost model
    * [HIVE-10347] - Merge spark to trunk 4/15/2015
    * [HIVE-10350] - CBO: Use total size instead of bucket count to determine number of splits & parallelism
    * [HIVE-10369] - CBO: Don't use HiveDefaultCostModel when With Tez and hive.cbo.costmodel.extended enabled
    * [HIVE-10375] - CBO (Calcite Return Path): disable the identity project remover for some union operators
    * [HIVE-10386] - CBO (Calcite Return Path): Disable Trivial Project Removal on ret path
    * [HIVE-10391] - CBO (Calcite Return Path): HiveOpConverter always assumes that HiveFilter does not include a partition column
    * [HIVE-10400] - CBO (Calcite Return Path): Exception when column name contains dot or colon characters
    * [HIVE-10413] - [CBO] Return path assumes distinct column cant be same as grouping column
    * [HIVE-10416] - CBO (Calcite Return Path): Fix return columns if Sort operator is on top of plan returned by Calcite
    * [HIVE-10426] - Rework/simplify ReplicationTaskFactory instantiation
    * [HIVE-10455] - CBO (Calcite Return Path): Different data types at Reducer before JoinOp
    * [HIVE-10462] - CBO (Calcite Return Path): MapJoin and SMBJoin conversion not triggered
    * [HIVE-10493] - Merge multiple joins when join keys are the same
    * [HIVE-10506] - CBO (Calcite Return Path): Disallow return path to be enable if CBO is off
    * [HIVE-10512] - CBO (Calcite Return Path): SMBJoin conversion throws ClassCastException
    * [HIVE-10520] - LLAP: Must reset small table result columns for Native Vectorization of Map Join
    * [HIVE-10522] - CBO (Calcite Return Path): fix the wrong needed column names when TS is created
    * [HIVE-10526] - CBO (Calcite Return Path): HiveCost epsilon comparison should take row count in to account
    * [HIVE-10547] - CBO (Calcite Return Path) : genFileSinkPlan uses wrong partition col to create FS
    * [HIVE-10549] - CBO (Calcite Return Path): Enable NonBlockingOpDeDupProc
    * [HIVE-10804] - CBO: Calcite Operator To Hive Operator (Calcite Return Path): optimizer for limit 0 does not work

** Bug
    * [HIVE-3454] - Problem with CAST(BIGINT as TIMESTAMP)
    * [HIVE-4625] - HS2 should not attempt to get delegation token from metastore if using embedded metastore
    * [HIVE-5545] - HCatRecord getInteger method returns String when used on Partition columns of type INT
    * [HIVE-5672] - Insert with custom separator not supported for non-local directory
    * [HIVE-5733] - Publish hive-exec artifact without all the dependencies
    * [HIVE-6069] - Improve error message in GenericUDFRound
    * [HIVE-6099] - Multi insert does not work properly with distinct count
    * [HIVE-6950] - Parsing Error in GROUPING SETS
    * [HIVE-7351] - ANALYZE TABLE statement fails on postgres metastore
    * [HIVE-7641] - INSERT ... SELECT with no source table leads to NPE
    * [HIVE-8524] - When table is renamed stats are lost as changes are not propagated to metastore tables TAB_COL_STATS and PART_COL_STATS
    * [HIVE-8626] - Extend HDFS super-user checks to dropPartitions
    * [HIVE-8746] - ORC timestamp columns are sensitive to daylight savings time
    * [HIVE-8890] - HiveServer2 dynamic service discovery: use persistent ephemeral nodes curator recipe
    * [HIVE-8915] - Log file explosion due to non-existence of COMPACTION_QUEUE table
    * [HIVE-9002] - union all does not generate correct result for order by and limit
    * [HIVE-9023] - HiveHistoryImpl relies on removed counters to print num rows
    * [HIVE-9073] - NPE when using custom windowing UDAFs
    * [HIVE-9083] - New metastore API to support to purge partition-data directly in dropPartitions().
    * [HIVE-9086] - Add language support to PURGE data while dropping partitions.
    * [HIVE-9115] - Hive build failure on hadoop-2.7 due to HADOOP-11356
    * [HIVE-9118] - Support auto-purge for tables, when dropping tables/partitions.
    * [HIVE-9151] - Checking s against null in TezJobMonitor#getNameWithProgress() should be done earlier
    * [HIVE-9228] - Problem with subquery using windowing functions
    * [HIVE-9303] - Parquet files are written with incorrect definition levels
    * [HIVE-9322] - Make null-checks consistent for MapObjectInspector subclasses.
    * [HIVE-9350] - Add ability for HiveAuthorizer implementations to filter out results of 'show tables', 'show databases'
    * [HIVE-9397] - SELECT max(bar) FROM foo is broken after ANALYZE ... FOR COLUMNS
    * [HIVE-9430] - NullPointerException on ALTER TABLE ADD PARTITION if no value given
    * [HIVE-9438] - The standalone-jdbc jar missing some jars
    * [HIVE-9456] - Make Hive support unicode with MSSQL as Metastore backend
    * [HIVE-9468] - Test groupby3_map_skew.q fails due to decimal precision difference
    * [HIVE-9471] - Bad seek in uncompressed ORC, at row-group boundary.
    * [HIVE-9472] - Implement 7 simple UDFs added to Hive
    * [HIVE-9474] - truncate table changes permissions on the target
    * [HIVE-9481] - allow column list specification in INSERT statement
    * [HIVE-9482] - Hive parquet timestamp compatibility
    * [HIVE-9484] - ThriftCLIService#getDelegationToken does case sensitive comparison
    * [HIVE-9486] - Use session classloader instead of application loader
    * [HIVE-9489] - add javadoc for UDFType annotation
    * [HIVE-9496] - Slf4j warning in hive command
    * [HIVE-9507] - Make "LATERAL VIEW inline(expression) mytable" tolerant to nulls
    * [HIVE-9509] - Restore partition spec validation removed by HIVE-9445
    * [HIVE-9512] - HIVE-9327 causing regression in stats annotation
    * [HIVE-9513] - NULL POINTER EXCEPTION
    * [HIVE-9526] - ClassCastException thrown by HiveStatement
    * [HIVE-9529] - "alter table .. concatenate" under Tez mode should create TezTask
    * [HIVE-9539] - Wrong check of version format in TestWebHCatE2e.getHiveVersion()
    * [HIVE-9553] - Fix log-line in Partition Pruner
    * [HIVE-9555] - assorted ORC refactorings for LLAP on trunk
    * [HIVE-9560] - When hive.stats.collect.rawdatasize=true, 'rawDataSize' for an ORC table will result in value '0' after running 'analyze table TABLE_NAME compute statistics;'
    * [HIVE-9565] - Minor cleanup in TestMetastoreExpr.
    * [HIVE-9567] - JSON SerDe not escaping special chars when writing char/varchar data
    * [HIVE-9580] - Server returns incorrect result from JOIN ON VARCHAR columns
    * [HIVE-9587] - UDF decode should accept STRING_GROUP types for the second parameter
    * [HIVE-9588] - Reimplement HCatClientHMSImpl.dropPartitions() with HMSC.dropPartitions()
    * [HIVE-9592] - fix ArrayIndexOutOfBoundsException in date_add and date_sub initialize
    * [HIVE-9609] - AddPartitionMessage.getPartitions() can return null
    * [HIVE-9612] - Turn off DEBUG logging for Lazy Objects for tests
    * [HIVE-9613] - Left join query plan outputs  wrong column when using subquery
    * [HIVE-9617] - UDF from_utc_timestamp throws NPE if the second argument is null
    * [HIVE-9619] - Uninitialized read of numBitVectors in NumDistinctValueEstimator
    * [HIVE-9620] - Cannot retrieve column statistics using HMS API if column name contains uppercase characters
    * [HIVE-9622] - Getting NPE when trying to restart HS2 when metastore is configured to use org.apache.hadoop.hive.thrift.DBTokenStore
    * [HIVE-9623] - NullPointerException in MapJoinOperator.processOp(MapJoinOperator.java:253) for TPC-DS Q75 against un-partitioned schema
    * [HIVE-9624] - NullPointerException in MapJoinOperator.processOp(MapJoinOperator.java:253) for TPC-DS Q75 against un-partitioned schema
    * [HIVE-9628] - HiveMetaStoreClient.dropPartitions(...List<ObjectPair<Integer,byte[]>>...) doesn't take (boolean needResult)
    * [HIVE-9633] - Add HCatClient.dropPartitions() overload to skip deletion of partition-directories.
    * [HIVE-9644] - Fold case & when udfs
    * [HIVE-9645] - Constant folding case NULL equality
    * [HIVE-9647] - Discrepancy in cardinality estimates between partitioned and un-partitioned tables
    * [HIVE-9648] - Null check key provider before doing set
    * [HIVE-9652] - Tez in place updates should detect redirection of STDERR
    * [HIVE-9655] - Dynamic partition table insertion error
    * [HIVE-9665] - Parallel move task optimization causes race condition
    * [HIVE-9667] - Disable ORC bloom filters for ORC v11 output-format
    * [HIVE-9674] - *DropPartitionEvent should handle partition-sets.
    * [HIVE-9679] - Remove redundant null-checks from DbNotificationListener.
    * [HIVE-9680] - GlobalLimitOptimizer is not checking filters correctly
    * [HIVE-9681] - Extend HiveAuthorizationProvider to support partition-sets.
    * [HIVE-9706] - HBase handler support for snapshots should confirm properties before use
    * [HIVE-9711] - ORC Vectorization DoubleColumnVector.isRepeating=false if all entries are NaN
    * [HIVE-9716] - Map job fails when table's LOCATION does not have scheme
    * [HIVE-9717] - The max/min function used by AggrStats for decimal type is not what we expected
    * [HIVE-9718] - Insert into dynamic partitions with same column structure in the "distibute by" clause barfs
    * [HIVE-9720] - Metastore does not properly migrate column stats when renaming a table across databases.
    * [HIVE-9721] - Hadoop23Shims.setFullFileStatus should check for null
    * [HIVE-9727] - GroupingID translation from Calcite
    * [HIVE-9731] - WebHCat MapReduce Streaming Job does not allow StreamXmlRecordReader to be specified
    * [HIVE-9734] - Correlating expression cannot contain unqualified column references
    * [HIVE-9735] - aggregate ( smalllint ) fails when ORC file used ava.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Short
    * [HIVE-9743] - Incorrect result set for vectorized left outer join
    * [HIVE-9749] - ObjectStore schema verification logic is incorrect
    * [HIVE-9754] - rename GenericUDFLevenstein to GenericUDFLevenshtein
    * [HIVE-9755] - Hive built-in "ngram" UDAF fails when a mapper has no matches.
    * [HIVE-9767] - Fixes in Hive UDF to be usable in Pig
    * [HIVE-9770] - Beeline ignores --showHeader for non-tablular output formats i.e csv,tsv,dsv
    * [HIVE-9772] - Hive parquet timestamp conversion doesn't work with new Parquet
    * [HIVE-9779] - ATSHook does not log the end user if doAs=false (it logs the hs2 server user)
    * [HIVE-9791] - insert into table throws NPE
    * [HIVE-9797] - Need update some spark tests for java 8
    * [HIVE-9803] - SparkClientImpl should not attempt impersonation in CLI mode [Spark Branch]
    * [HIVE-9813] - Hive JDBC - DatabaseMetaData.getColumns method cannot find classes added with "add jar" command
    * [HIVE-9817] - fix DateFormat pattern in hive-exec
    * [HIVE-9826] - Firing insert event fails on temporary table
    * [HIVE-9830] - Map join could dump a small table multiple times [Spark Branch]
    * [HIVE-9831] - HiveServer2 should use ConcurrentHashMap in ThreadFactory
    * [HIVE-9832] - Merge join followed by union and a map join in hive on tez fails.
    * [HIVE-9834] - VectorGroupByOperator logs too much
    * [HIVE-9836] - Hive on tez: fails when virtual columns are present in the join conditions (for e.g. partition columns)
    * [HIVE-9839] - HiveServer2 leaks OperationHandle on async queries which fail at compile phase
    * [HIVE-9841] - IOException thrown by ORC should include the path of processing file
    * [HIVE-9845] - HCatSplit repeats information making input split data size huge
    * [HIVE-9847] - Hive should not allow additional attemps when RSC fails [Spark Branch]
    * [HIVE-9848] - readlink -f is GNU coreutils only (used in bin/hive)
    * [HIVE-9851] - org.apache.hadoop.hive.serde2.avro.AvroSerializer should use org.apache.avro.generic.GenericData.Array when serializing a list
    * [HIVE-9855] - Runtime skew join doesn't work when skewed data only exists in big table
    * [HIVE-9860] - MapredLocalTask/SecureCmdDoAs leaks local files
    * [HIVE-9866] - Changing a column's type doesn't change column stats type in metastore
    * [HIVE-9869] - Trunk doesn't build with hadoop-1
    * [HIVE-9872] - Making yarn-cluster default for Hive on Spark [Spark Branch]
    * [HIVE-9873] - Hive on MR throws DeprecatedParquetHiveInput exception
    * [HIVE-9877] - Beeline cannot run multiple statements in the same row
    * [HIVE-9886] - Hive on tez: NPE when converting join to SMB in sub-query
    * [HIVE-9892] - various MSSQL upgrade scripts don't work
    * [HIVE-9902] - Map join small table files need more replications [Spark Branch]
    * [HIVE-9908] - vectorization error binary type not supported, group by with binary columns
    * [HIVE-9915] - Allow specifying file format for managed tables
    * [HIVE-9918] - Spark branch build is failing due to unknown url [Spark Branch]
    * [HIVE-9919] - upgrade scripts don't work on some auto-created DBs due to absence of tables
    * [HIVE-9920] - DROP DATABASE IF EXISTS throws exception if database does not exist
    * [HIVE-9923] - No clear message when "from" is missing
    * [HIVE-9929] - StatsUtil#getAvailableMemory could return negative value
    * [HIVE-9930] - fix QueryPlan.makeQueryId time format
    * [HIVE-9932] - DDLTask.conf hides base class Task.conf
    * [HIVE-9934] - Vulnerability in LdapAuthenticationProviderImpl enables HiveServer2 client to degrade the authentication mechanism to "none", allowing authentication without password
    * [HIVE-9935] - Fix tests for java 1.8 [Spark Branch]
    * [HIVE-9936] - fix potential NPE in DefaultUDAFEvaluatorResolver
    * [HIVE-9939] - Code cleanup for redundant if check in ExplainTask [Spark Branch]
    * [HIVE-9944] - Convert array[] to string properly in log messages
    * [HIVE-9945] - FunctionTask.conf hides Task.conf field
    * [HIVE-9947] - ScriptOperator replaceAll uses unescaped dot and result is not assigned
    * [HIVE-9948] - SparkUtilities.getFileName passes File.separator to String.split() method
    * [HIVE-9950] - fix rehash in CuckooSetBytes and CuckooSetLong
    * [HIVE-9951] - VectorizedRCFileRecordReader creates Exception but does not throw it
    * [HIVE-9952] - fix NPE in CorrelationUtilities
    * [HIVE-9953] - fix NPE in WindowingTableFunction
    * [HIVE-9954] - UDFJson uses the == operator to compare Strings
    * [HIVE-9955] - TestVectorizedRowBatchCtx compares byte[] using equals() method
    * [HIVE-9956] - use BigDecimal.valueOf instead of new in TestFileDump
    * [HIVE-9957] - Hive 1.1.0 not compatible with Hadoop 2.4.0
    * [HIVE-9961] - HookContext for view should return a table type of VIRTUAL_VIEW
    * [HIVE-9971] - Clean up operator class
    * [HIVE-9975] - Renaming a nonexisting partition should not throw out NullPointerException
    * [HIVE-9976] - Possible race condition in DynamicPartitionPruner for <200ms tasks
    * [HIVE-9977] - Compactor not running on partitions after dynamic partitioned insert
    * [HIVE-9984] - JoinReorder's getOutputSize is exponential
    * [HIVE-9991] - Cannot do a SELECT on external tables that are on S3 due to Encryption error
    * [HIVE-9993] - Retrying task could use cached bad operators [Spark Branch]
    * [HIVE-9994] - Hive query plan returns sensitive data to external applications
    * [HIVE-9997] - minor tweaks for bytes mapjoin hash table
    * [HIVE-10001] - SMB join in reduce side
    * [HIVE-10009] - LazyObjectInspectorFactory is not thread safe [Spark Branch]
    * [HIVE-10017] - SparkTask log improvement [Spark Branch]
    * [HIVE-10023] - Fix more cache related concurrency issue [Spark Branch]
    * [HIVE-10032] - Remove HCatalog broken java file from source code
    * [HIVE-10042] - clean up TreeReaders - ORC refactoring for LLAP on trunk
    * [HIVE-10050] - Support overriding memory configuration for AM launched for TempletonControllerJob
    * [HIVE-10059] - Make udaf_percentile_approx_23.q test more stable
    * [HIVE-10062] - HiveOnTez: Union followed by Multi-GB followed by Multi-insert loses data
    * [HIVE-10066] - Hive on Tez job submission through WebHCat doesn't ship Tez artifacts
    * [HIVE-10073] - Runtime exception when querying HBase with Spark [Spark Branch]
    * [HIVE-10074] - Ability to run HCat Client Unit tests in a system test setting
    * [HIVE-10078] - Optionally allow logging of records processed in fixed intervals
    * [HIVE-10083] - SMBJoin fails in case one table is uninitialized
    * [HIVE-10085] - Lateral view on top of a view throws RuntimeException
    * [HIVE-10086] - Hive throws error when accessing Parquet file schema using field name match
    * [HIVE-10087] - Beeline's --silent option should suppress query from being echoed when running with -f option
    * [HIVE-10093] - Unnecessary HMSHandler initialization for default MemoryTokenStore on HS2
    * [HIVE-10095] - format_number udf throws NPE
    * [HIVE-10098] - HS2 local task for map join fails in KMS encrypted cluster
    * [HIVE-10106] - Regression : Dynamic partition pruning not working after HIVE-9976
    * [HIVE-10108] - Index#getIndexTableName() returns db.index_table_name
    * [HIVE-10122] - Hive metastore filter-by-expression is broken for non-partition expressions
    * [HIVE-10123] - Hybrid grace Hash join : Use estimate key count from stats to initialize BytesBytesMultiHashMap
    * [HIVE-10128] - BytesBytesMultiHashMap does not allow concurrent read-only access
    * [HIVE-10136] - BaseWork.vectorMode hides AbstractOperatorDesc.vectorMode
    * [HIVE-10143] - HS2 fails to clean up Spark client state on timeout [Spark Branch]
    * [HIVE-10145] - set Tez ACLs appropriately in hive
    * [HIVE-10148] - update of bucketing column should not be allowed
    * [HIVE-10150] - delete from acidTbl where a in(select a from nonAcidOrcTbl) fails
    * [HIVE-10151] - insert into A select from B is broken when both A and B are Acid tables and bucketed the same way
    * [HIVE-10152] - ErrorMsg.formatToErrorMsgMap has bad regex
    * [HIVE-10167] - HS2 logs the server started only before the server is shut down
    * [HIVE-10172] - Fix performance regression caused by HIVE-8122 for ORC
    * [HIVE-10178] - DateWritable incorrectly calculates daysSinceEpoch for negative Unix time
    * [HIVE-10186] - Hive does not log Tez diagnostics on errors
    * [HIVE-10197] - Add lockId to all ACID log statements
    * [HIVE-10202] - Beeline outputs prompt+query on standard output when used in non-interactive mode
    * [HIVE-10208] - templeton.hive.extra.files should be commented out in webhcat-default.xml
    * [HIVE-10209] - FetchTask with VC may fail because ExecMapper.done is true
    * [HIVE-10213] - MapReduce jobs using dynamic-partitioning fail on commit.
    * [HIVE-10225] - CLI JLine does not flush history on quit/Ctrl-C
    * [HIVE-10226] - Column stats for Date columns not supported
    * [HIVE-10229] - Set conf and processor context in the constructor instead of init
    * [HIVE-10231] - Compute partition column stats fails if partition col type is date
    * [HIVE-10242] - ACID: insert overwrite prevents create table command
    * [HIVE-10265] - Hive CLI crashes on != inequality
    * [HIVE-10267] - HIVE-9664 makes hive depend on ivysettings.xml : trivial breakage fix
    * [HIVE-10269] - HiveMetaStore.java:[6089,29] cannot find symbol class JvmPauseMonitor
    * [HIVE-10270] - Cannot use Decimal constants less than 0.1BD
    * [HIVE-10271] - remove hive.server2.thrift.http.min/max.worker.threads properties
    * [HIVE-10272] - Some HCat tests fail under windows
    * [HIVE-10273] - Union with partition tables which have no data fails with NPE
    * [HIVE-10274] - Send context and description to tez via dag info
    * [HIVE-10275] - GenericUDF getTimestampValue should return Timestamp instead of Date
    * [HIVE-10284] - enable container reuse for grace hash join
    * [HIVE-10285] - Incorrect endFunction call in HiveMetaStore
    * [HIVE-10286] - SARGs: Type Safety via PredicateLeaf.type
    * [HIVE-10288] - Cannot call permanent UDFs
    * [HIVE-10290] - Add negative test case to modify a non-existent config value when hive security authorization is enabled.
    * [HIVE-10303] - HIVE-9471 broke forward compatibility of ORC files
    * [HIVE-10305] - TestOrcFile has a mistake that makes metadata test ineffective
    * [HIVE-10306] - We need to print tez summary when hive.server2.logging.level >= PERFORMANCE.
    * [HIVE-10309] - TestJdbcWithMiniHS2.java broken because of the removal of hive.server2.thrift.http.max.worker.threads
    * [HIVE-10312] - SASL.QOP in JDBC URL is ignored for Delegation token Authentication
    * [HIVE-10313] - Literal Decimal ExprNodeConstantDesc should contain value of HiveDecimal instead of String
    * [HIVE-10318] - The HMS upgrade test does not test patches that affect the upgrade test scripts
    * [HIVE-10323] - Tez merge join operator does not honor hive.join.emit.interval
    * [HIVE-10324] - Hive metatool should take table_param_key to allow for changes to avro serde's schema url key
    * [HIVE-10331] - ORC : Is null SARG filters out all row groups written in old ORC format
    * [HIVE-10340] - Enable ORC test for timezone reading from old format
    * [HIVE-10346] - Tez on HBase has problems with settings again
    * [HIVE-10364] - The HMS upgrade script test does not publish results when prepare.sh fails.
    * [HIVE-10367] - org.apache.hive.hcatalog.pig.TestHCatLoaderEncryption.* fails in Windows
    * [HIVE-10370] - Hive does not compile with -Phadoop-1 option
    * [HIVE-10372] - Update parquet version to 1.6.0
    * [HIVE-10374] - Revert HIVE-10304 deprecation message to HiveCLI
    * [HIVE-10384] - RetryingMetaStoreClient does not retry wrapped TTransportExceptions
    * [HIVE-10407] - separate out the timestamp ranges for testing purposes
    * [HIVE-10409] - Webhcat tests need to be updated, to accomodate HADOOP-10193
    * [HIVE-10421] - DROP TABLE with qualified table name ignores database name when checking partitions
    * [HIVE-10428] - NPE in RegexSerDe using HCat
    * [HIVE-10431] - HIVE-9555 broke hadoop-1 build
    * [HIVE-10437] - NullPointerException on queries where map/reduce is not involved on tables with partitions
    * [HIVE-10441] - Fix confusing log statement in SessionState about hive.execution.engine setting
    * [HIVE-10442] - HIVE-10098 broke hadoop-1 build
    * [HIVE-10443] - HIVE-9870 broke hadoop-1 build
    * [HIVE-10444] - HIVE-10223 breaks hadoop-1 build
    * [HIVE-10446] - Hybrid Hybrid Grace Hash Join : java.lang.IllegalArgumentException in Kryo while spilling big table
    * [HIVE-10447] - Beeline JDBC Driver to support 2 way SSL
    * [HIVE-10450] - More than one TableScan in MapWork not supported in Vectorization -- causes  query to fail during vectorization
    * [HIVE-10451] -  PTF deserializer fails if values are not used in reducer
    * [HIVE-10456] - Grace Hash Join should not load spilled partitions on abort
    * [HIVE-10465] - whitelist restrictions don't get initialized in new copy of HiveConf
    * [HIVE-10472] - Jenkins HMS upgrade test is not publishing results because JIRAService class is not found.
    * [HIVE-10477] - Provide option to disable Spark tests
    * [HIVE-10481] - ACID table update finishes but values not really updated if column names are not all lower case
    * [HIVE-10483] - insert overwrite partition deadlocks on itself with DbTxnManager
    * [HIVE-10484] - Vectorization : RuntimeException "Big Table Retained Mapping duplicate column"
    * [HIVE-10490] - HBase Snapshot IF fails at run time with missing dependency of MetricsRegistry
    * [HIVE-10499] - Ensure Session/ZooKeeperClient instances are closed
    * [HIVE-10500] - Repeated deadlocks in underlying RDBMS cause transaction or lock failure
    * [HIVE-10507] - Expose  RetryingMetastoreClient to other external users of metastore client like Flume and Storm.
    * [HIVE-10508] - Strip out password information from config passed to Tez/MR in cases where password encryption is not used
    * [HIVE-10510] - Change 1.2.0-SNAPSHOT to 1.2.0 in branch-1.2
    * [HIVE-10513] - [CBO] return path : Fix create_func1.q for return path
    * [HIVE-10514] - Fix MiniCliDriver tests failure
    * [HIVE-10517] - HCatPartition should not be created with "" as location in tests
    * [HIVE-10521] - TxnHandler.timeOutTxns only times out some of the expired transactions
    * [HIVE-10529] - Remove references to tez task context before storing operator plan in object cache
    * [HIVE-10530] - Aggregate stats cache: bug fixes for RDBMS path
    * [HIVE-10538] - Fix NPE in FileSinkOperator from hashcode mismatch
    * [HIVE-10539] - set default value of hive.repl.task.factory
    * [HIVE-10542] - Full outer joins in tez produce incorrect results in certain cases
    * [HIVE-10543] - improve error message in MetaStoreAuthzAPIAuthorizerEmbedOnly
    * [HIVE-10544] - Beeline/Hive JDBC Driver fails in HTTP mode on Windows with java.lang.NoSuchFieldError: INSTANCE
    * [HIVE-10548] - Remove dependency to s3 repository in root pom
    * [HIVE-10564] - webhcat should use webhcat-site.xml properties for controller job submission
    * [HIVE-10572] - Improve Hive service test to check empty string
    * [HIVE-10576] - add jar command does not work with Windows OS
    * [HIVE-10578] - update sql standard authorization configuration whitelist
    * [HIVE-10579] - Fix -Phadoop-1 build
    * [HIVE-10595] - Dropping a table can cause NPEs in the compactor
    * [HIVE-10603] - increase default permgen space for HS2 on windows
    * [HIVE-10604] - update webhcat-default.xml with 1.2 version numbers
    * [HIVE-10607] - Combination of ReducesinkDedup + TopN optimization yields incorrect result if there are multiple GBY in reducer
    * [HIVE-10609] - Vectorization : Q64 fails with ClassCastException
    * [HIVE-10610] - hive command fails to get hadoop version
    * [HIVE-10612] - HIVE-10578 broke TestSQLStdHiveAccessControllerHS2 tests
    * [HIVE-10614] - schemaTool upgrade from 0.14.0 to 1.3.0 causes failure
    * [HIVE-10638] - HIVE-9736 introduces issues with Hadoop23Shims.checkFileAccess
    * [HIVE-10685] - Alter table concatenate oparetor will cause duplicate data
    * [HIVE-10715] - RAT failures - many files do not have ASF licenses

** Improvement
    * [HIVE-1575] - get_json_object does not support JSON array at the root level
    * [HIVE-2573] - Create per-session function registry
    * [HIVE-3185] - allow union set operation without ALL keyword (align to ISO-SQL 2011 specification)
    * [HIVE-5472] - support a simple scalar which returns the current timestamp
    * [HIVE-7175] - Provide password file option to beeline
    * [HIVE-8385] - UNION Operator in Hive
    * [HIVE-9138] - Add some explain to PTF operator
    * [HIVE-9143] - select user(), current_user()
    * [HIVE-9298] - Support reading alternate timestamp formats
    * [HIVE-9470] - Use a generic writable object to run ColumnaStorageBench write/read tests
    * [HIVE-9480] - Build UDF TRUNC to implement FIRST_DAY as compared with LAST_DAY
    * [HIVE-9500] - Support nested structs over 24 levels.
    * [HIVE-9518] - Implement MONTHS_BETWEEN aligned with Oracle one
    * [HIVE-9521] - Drop support for Java6
    * [HIVE-9556] - create UDF to calculate the Levenshtein distance between two strings
    * [HIVE-9564] - Extend HIVE-9298 for JsonSerDe
    * [HIVE-9590] - add qtests for ADD_MONTHS UDF
    * [HIVE-9594] - Add qtests for LAST_DAY udf
    * [HIVE-9596] - move standard getDisplayString impl to GenericUDF
    * [HIVE-9607] - Remove unnecessary attach-jdbc-driver execution from package/pom.xml
    * [HIVE-9618] - Deduplicate RS keys for ptf/windowing
    * [HIVE-9664] - Hive "add jar" command should be able to download and add jars from a repository
    * [HIVE-9673] - Set operationhandle in ATS entities for lookups
    * [HIVE-9699] - Extend PTFs to provide referenced columns for CP
    * [HIVE-9709] - Hive should support replaying cookie from JDBC driver for beeline
    * [HIVE-9710] - HiveServer2 should support cookie based authentication, when using HTTP transport.
    * [HIVE-9738] - create SOUNDEX udf
    * [HIVE-9744] - Move common arguments validation and value extraction code to GenericUDF
    * [HIVE-9766] - Add JavaConstantXXXObjectInspector
    * [HIVE-9788] - Make double quote optional in tsv/csv/dsv output
    * [HIVE-9793] - Remove hard coded paths from cli driver tests
    * [HIVE-9800] - Create scripts to do metastore upgrade tests on Jenkins
    * [HIVE-9804] - Turn on some kryo settings by default for Spark [Spark Branch]
    * [HIVE-9857] - Create Factorial UDF
    * [HIVE-9858] - Create cbrt (cube root) UDF
    * [HIVE-9859] - Create bitwise left/right shift UDFs
    * [HIVE-9870] - Add JvmPauseMonitor threads to HMS and HS2 daemons
    * [HIVE-9909] - Specify hive branch to use on jenkins hms tests
    * [HIVE-9914] - Post success comments on Jira from Jenkins metastore upgrades scripts
    * [HIVE-9917] - After HIVE-3454 is done, make int to timestamp conversion configurable
    * [HIVE-9981] - Avoid throwing many exceptions when attempting to create new hdfs encryption shim
    * [HIVE-10007] - Support qualified table name in analyze table compute statistics for columns
    * [HIVE-10027] - Use descriptions from Avro schema files in column comments
    * [HIVE-10072] - Add vectorization support for Hybrid Grace Hash Join
    * [HIVE-10114] - Split strategies for ORC
    * [HIVE-10119] - Allow Log verbosity to be set in hiveserver2 session
    * [HIVE-10120] - Disallow create table with dot/colon in column name
    * [HIVE-10146] - Not count session as idle if query is running
    * [HIVE-10160] - Give a warning when grouping or ordering by a constant column
    * [HIVE-10177] - Enable constant folding for char & varchar
    * [HIVE-10206] - Improve Alter Table to not initialize Serde unnecessarily
    * [HIVE-10214] - log metastore call timing information aggregated at query level
    * [HIVE-10216] - log hive cli classpath at debug level
    * [HIVE-10223] - Consolidate several redundant FileSystem API calls.
    * [HIVE-10276] - Implement date_format(timestamp, fmt) UDF
    * [HIVE-10307] - Support to use number literals in partition column
    * [HIVE-10339] - Allow JDBC Driver to pass HTTP header Key/Value pairs
    * [HIVE-10382] - Aggregate stats cache for RDBMS based metastore codepath
    * [HIVE-10403] - Add n-way join support for Hybrid Grace Hash Join
    * [HIVE-10467] - Switch to GIT repository on Jenkins precommit tests
    * [HIVE-10546] - genFileSinkPlan should use the generated SEL's RR for the partition col of FS
    * [HIVE-10568] - Select count(distinct()) can have more optimal execution plan

** New Feature
    * [HIVE-7998] - Enhance JDBC Driver to not require class specification
    * [HIVE-9039] - Support Union Distinct
    * [HIVE-9188] - BloomFilter support in ORC
    * [HIVE-9277] - Hybrid Hybrid Grace Hash Join
    * [HIVE-9302] - Beeline add commands to register local jdbc driver names and jars
    * [HIVE-9780] - Add another level of explain for RDBMS audience
    * [HIVE-10038] - Add Calcite's ProjectMergeRule.
    * [HIVE-10099] - Enable constant folding for Decimal
    * [HIVE-10591] - Support limited integer type promotion in ORC

** Task
    * [HIVE-6617] - Reduce ambiguity in grammar
    * [HIVE-8898] - Remove HIVE-8874 once HBASE-12493 is fixed
    * [HIVE-9015] - Constant Folding optimizer doesn't handle expressions involving null
    * [HIVE-9411] - Improve error messages in TestMultiOutputFormat
    * [HIVE-9416] - Get rid of Extract Operator
    * [HIVE-9485] - Update trunk to 1.2.0-SNAPSHOT
    * [HIVE-9498] - Update golden files of join38 & subquery_in on trunk due to 9327
    * [HIVE-9520] - Create NEXT_DAY UDF
    * [HIVE-9572] - Merge from Spark branch to trunk 02/03/2015
    * [HIVE-9703] - Merge from Spark branch to trunk 02/16/2015
    * [HIVE-9861] - Add spark-assembly on Hive's classpath [Spark Branch]
    * [HIVE-9867] - Migrate usage of deprecated Calcite methods
    * [HIVE-9903] - Update calcite version
    * [HIVE-9966] - Get rid of customBucketMapJoin field from MapJoinDesc
    * [HIVE-10019] - Configure jenkins precommit jobs to run HMS upgrade tests
    * [HIVE-10222] - Upgrade Calcite dependency to newest version
    * [HIVE-10268] - Merge cbo branch into trunk
    * [HIVE-10325] - Remove ExprNodeNullEvaluator
    * [HIVE-10676] - Update Hive's README to mention spark, and to remove jdk1.6

** Test
    * [HIVE-7948] - Add an E2E test  to verify fix for HIVE-7155
    * [HIVE-8949] - Test for PARQUET-26
    * [HIVE-9399] - ppd_multi_insert.q generate same output in different order, when mapred.reduce.tasks is set to larger than 1
    * [HIVE-9525] - Enable constant propagation optimization in few existing tests where it was disabled.
    * [HIVE-9924] - Fix union12 and union31 for spark [Spark Branch]
    * [HIVE-10135] - Add qtest to access  struct<> data type with parquet format after parquet column index access enabled
    * [HIVE-10168] - make groupby3_map.q more stable
    * [HIVE-10396] - decimal_precision2.q test is failing on trunk


Release Notes - Hive - Version 1.1.0

** Sub-task
    * [HIVE-7073] - Implement Binary in ParquetSerDe
    * [HIVE-7331] - Create SparkCompiler [Spark Branch]
    * [HIVE-7334] - Create SparkShuffler, shuffling data between map-side data processing and reduce-side processing [Spark Branch]
    * [HIVE-7335] - Create SparkPlan, DAG representation of a Spark job [Spark Branch]
    * [HIVE-7336] - Create MapFunction [Spark Branch]
    * [HIVE-7337] - Create ReduceFunction [Spark Branch]
    * [HIVE-7338] - Create SparkPlanGenerator [Spark Branch]
    * [HIVE-7382] - Create a MiniSparkCluster and set up a testing framework [Spark Branch]
    * [HIVE-7384] - Research into reduce-side join [Spark Branch]
    * [HIVE-7410] - Spark 1.0.1 is released, stop using SNAPSHOT [Spark Branch]
    * [HIVE-7411] - Exclude hadoop 1 from spark dep [Spark Branch]
    * [HIVE-7436] - Load Spark configuration into Hive driver [Spark Branch]
    * [HIVE-7439] - Spark job monitoring and error reporting [Spark Branch]
    * [HIVE-7465] - Implement pre-commit testing [Spark Branch]
    * [HIVE-7492] - Enhance SparkCollector [Spark Branch]
    * [HIVE-7503] - Support Hive's multi-table insert query with Spark [Spark Branch]
    * [HIVE-7527] - Support order by and sort by on Spark [Spark Branch]
    * [HIVE-7528] - Support cluster by and distributed by [Spark Branch]
    * [HIVE-7541] - Support union all on Spark [Spark Branch]
    * [HIVE-7560] - StarterProject: Fix exception handling in POC code [Spark Branch]
    * [HIVE-7561] - StarterProject: Move from assert to Guava Preconditions.* in Hive on Spark [Spark Branch]
    * [HIVE-7580] - Support dynamic partitioning [Spark Branch]
    * [HIVE-7597] - Support analyze table [Spark Branch]
    * [HIVE-7613] - Research optimization of auto convert join to map join [Spark branch]
    * [HIVE-7665] - Create TestSparkCliDriver to run test in spark local mode [Spark Branch]
    * [HIVE-7674] - Update to Spark 1.2 [Spark Branch]
    * [HIVE-7677] - Implement native HiveReduceFunction [Spark Branch]
    * [HIVE-7702] - Start running .q file tests on spark [Spark Branch]
    * [HIVE-7708] - Fix qtest-spark pom.xml reference to test properties [Spark Branch]
    * [HIVE-7709] - Create SparkReporter [Spark Branch]
    * [HIVE-7717] - Add .q tests coverage for "union all" [Spark Branch]
    * [HIVE-7728] - Enable q-tests for TABLESAMPLE feature  [Spark Branch]
    * [HIVE-7729] - Enable q-tests for ANALYZE TABLE feature [Spark Branch]
    * [HIVE-7731] - Incorrect result returned when a map work has multiple downstream reduce works [Spark Branch]
    * [HIVE-7746] - Cleanup SparkClient and make refreshLocalResources method synchronized [Spark Branch]
    * [HIVE-7748] - Add qfile_regex to qtest-spark pom [Spark Branch]
    * [HIVE-7749] - Enable timestamp.* tests [Spark Branch]
    * [HIVE-7755] - Enable avro* tests [Spark Branch]
    * [HIVE-7758] - PTest2 separates test files with spaces while QTestGen uses commas [Spark Branch]
    * [HIVE-7766] - Cleanup Reduce operator code [Spark Branch]
    * [HIVE-7767] - hive.optimize.union.remove does not work properly [Spark Branch]
    * [HIVE-7773] - Union all query finished with errors [Spark Branch]
    * [HIVE-7775] - enable sample8.q.[Spark Branch]
    * [HIVE-7776] - enable sample10.q.[Spark Branch]
    * [HIVE-7781] - Enable windowing and analytic function qtests [Spark Branch]
    * [HIVE-7791] - Enable tests on Spark branch (1) [Sparch Branch]
    * [HIVE-7792] - Enable tests on Spark branch (2) [Sparch Branch]
    * [HIVE-7793] - Enable tests on Spark branch (3) [Sparch Branch]
    * [HIVE-7794] - Enable tests on Spark branch (4) [Sparch Branch]
    * [HIVE-7810] - Insert overwrite table query has strange behavior when set hive.optimize.union.remove=true [Spark Branch]
    * [HIVE-7815] - Reduce Side Join with single reducer [Spark Branch]
    * [HIVE-7816] - Enable map-join tests which Tez executes [Spark Branch]
    * [HIVE-7821] - StarterProject: enable groupby4.q [Spark Branch]
    * [HIVE-7839] - Update union_null results now that it's deterministic [Spark Branch]
    * [HIVE-7842] - Enable qtest load_dyn_part1.q [Spark Branch]
    * [HIVE-7843] - orc_analyze.q fails due to random mapred.task.id in FileSinkOperator [Spark Branch]
    * [HIVE-7844] - optimize_nullscan.q fails due to differences in explain plan [Spark Branch]
    * [HIVE-7848] - Refresh SparkContext when spark configuration changes [Spark Branch]
    * [HIVE-7856] - Enable parallelism in Reduce Side Join [Spark Branch]
    * [HIVE-7861] - Enable reduce-side join tests (1) [Spark Branch]
    * [HIVE-7866] - Merge from trunk (1) [Spark Branch]
    * [HIVE-7867] - Re-order spark.query.files in sorted order [Spark Branch]
    * [HIVE-7870] - Insert overwrite table query does not generate correct task plan [Spark Branch]
    * [HIVE-7873] - Re-enable lazy HiveBaseFunctionResultList [Spark Branch]
    * [HIVE-7880] - Support subquery [Spark Branch]
    * [HIVE-7881] - enable Qtest scriptfile1.q [Spark Branch]
    * [HIVE-7922] - Merge from trunk (2) [Spark Branch]
    * [HIVE-7952] - Investigate query failures (1)
    * [HIVE-7954] - Investigate query failures (3)
    * [HIVE-8015] - Merge from trunk (3) [Spark Branch]
    * [HIVE-8017] - Use HiveKey instead of BytesWritable as key type of the pair RDD [Spark Branch]
    * [HIVE-8054] - Disable hive.optimize.union.remove when hive.execution.engine=spark [Spark Branch]
    * [HIVE-8055] - Code cleanup after HIVE-8054 [Spark Branch]
    * [HIVE-8074] - Merge trunk into spark 9/12/2014
    * [HIVE-8106] - Enable vectorization for spark [spark branch]
    * [HIVE-8121] - Create micro-benchmarks for ParquetSerde and evaluate performance
    * [HIVE-8122] - Make use of SearchArgument classes for Parquet SERDE
    * [HIVE-8130] - Support Date in Avro
    * [HIVE-8131] - Support timestamp in Avro
    * [HIVE-8140] - Remove obsolete code from SparkWork [Spark Branch]
    * [HIVE-8141] - Refactor the GraphTran code by moving union handling logic to UnionTran [Spark Branch]
    * [HIVE-8202] - Support SMB Join for Hive on Spark [Spark Branch]
    * [HIVE-8206] - Merge from trunk to spark 9/20/14
    * [HIVE-8275] - Introduce MapInput encapsulating a Hadoop RDD [Spark Branch]
    * [HIVE-8276] - Separate shuffle from ReduceTran and so create ShuffleTran [Spark Branch]
    * [HIVE-8278] - Restoring a graph representation of SparkPlan [Spark Branch]
    * [HIVE-8302] - GroupByShuffler.java missing apache license header [Spark Branch]
    * [HIVE-8303] - Merge from trunk to spark 9/29/14
    * [HIVE-8352] - Enable windowing.q for spark [Spark Branch]
    * [HIVE-8353] - Merge trunk into spark 10/4/2015 [Spark Branch]
    * [HIVE-8356] - Fix fs_default_name2.q on spark [Spark Branch]
    * [HIVE-8362] - Investigate flaky test parallel.q
    * [HIVE-8405] - Research Bucket Map Join [Spark Branch]
    * [HIVE-8412] - Make reduce side join work for all join queries [Spark Branch]
    * [HIVE-8422] - Turn on all join .q tests [Spark Branch]
    * [HIVE-8436] - Modify SparkWork to split works with multiple child works [Spark Branch]
    * [HIVE-8437] - Modify SparkPlan generation to set toCache flag to SparkTrans where caching is needed [Spark Branch]
    * [HIVE-8438] - Clean up code introduced by HIVE-7503 and such [Spark Plan]
    * [HIVE-8455] - Print Spark job progress format info on the console[Spark Branch]
    * [HIVE-8456] - Support Hive Counter to collect spark job metric[Spark Branch]
    * [HIVE-8477] - Update timestamp in status console [Spark Branch]
    * [HIVE-8486] - TPC-DS Query 96 parallelism is not set correcly
    * [HIVE-8502] - Merge trunk into spark 10/17/14 [Spark Branch]
    * [HIVE-8507] - UT: fix rcfile_bigdata test [Spark Branch]
    * [HIVE-8508] - UT: fix bucketsort_insert tests - related to SMBMapJoinOperator
    * [HIVE-8509] - UT: fix list_bucket_dml_2 test [Spark Branch]
    * [HIVE-8528] - Add remote Spark client to Hive [Spark Branch]
    * [HIVE-8539] - Enable collect table statistics based on SparkCounter[Spark Branch]
    * [HIVE-8540] - HivePairFlatMapFunction.java missing license header [Spark Branch]
    * [HIVE-8599] - Add InterfaceAudience annotations to spark-client [Spark Branch]
    * [HIVE-8616] - convert joinOp to MapJoinOp and generate MapWorks only [Spark Branch]
    * [HIVE-8621] - Dump small table join data for map-join [Spark Branch]
    * [HIVE-8622] - Split map-join plan into 2 SparkTasks in 3 stages [Spark Branch]
    * [HIVE-8623] - Implement HashTableLoader for Spark map-join [Spark Branch]
    * [HIVE-8638] - Implement bucket map join optimization [Spark Branch]
    * [HIVE-8639] - Convert SMBJoin to MapJoin [Spark Branch]
    * [HIVE-8640] - Support hints of SMBJoin [Spark Branch]
    * [HIVE-8649] - Increase level of parallelism in reduce phase [Spark Branch]
    * [HIVE-8651] - CBO: sort column changed in infer_bucket_sort test
    * [HIVE-8670] - Combine Hive Operator statistic and Spark Metric to an uniformed query statistic.[Spark Branch]
    * [HIVE-8674] - Fix tests after merge [Spark Branch]
    * [HIVE-8682] - Enable table statistic collection on counter for CTAS query[Spark Branch]
    * [HIVE-8700] - Replace ReduceSink to HashTableSink (or equi.) for small tables [Spark Branch]
    * [HIVE-8707] - Fix ordering differences due to Java 8 HashMap function
    * [HIVE-8718] - Refactoring: move mapLocalWork field from MapWork to BaseWork
    * [HIVE-8725] - spark-client build failed sometimes.[Spark Branch]
    * [HIVE-8726] - Collect Spark TaskMetrics and build job statistic[Spark Branch]
    * [HIVE-8756] - numRows and rawDataSize are not collected by the Spark stats [Spark Branch]
    * [HIVE-8758] - Fix hadoop-1 build [Spark Branch]
    * [HIVE-8773] - Fix TestWebHCatE2e#getStatus for Java8
    * [HIVE-8775] - Merge from trunk 11/6/14 [SPARK BRANCH]
    * [HIVE-8776] - Generate MapredLocalWork in SparkMapJoinResolver [Spark Brach]
    * [HIVE-8777] - Should only register used counters in SparkCounters[Spark Branch]
    * [HIVE-8780] - insert1.q and ppd_join4.q hangs with hadoop-1 [Spark Branch]
    * [HIVE-8783] - Create some tests that use Spark counter for stats collection [Spark Branch]
    * [HIVE-8787] - UT: update hive-site.xml for spark UTs to add hive_admin_user to admin role
    * [HIVE-8788] - UT: fix partition test case [Spark Branch]
    * [HIVE-8793] - Refactor to make splitting SparkWork a physical resolver [Spark Branch]
    * [HIVE-8810] - Make HashTableSinkOperator works for Spark Branch [Spark Branch]
    * [HIVE-8833] - Unify spark client API and implement remote spark client.[Spark Branch]
    * [HIVE-8834] - enable job progress monitoring of Remote Spark Context [Spark Branch]
    * [HIVE-8835] - identify dependency scope for Remote Spark Context.[Spark Branch]
    * [HIVE-8836] - Enable automatic tests with remote spark client [Spark Branch]
    * [HIVE-8840] - Print prettier Spark work graph after HIVE-8793 [Spark Branch]
    * [HIVE-8841] - Make RDD caching work for multi-insert after HIVE-8793 when map join is involved [Spark Branch]
    * [HIVE-8842] - auto_join2.q produces incorrect tree [Spark Branch]
    * [HIVE-8843] - Release RDD cache when Hive query is done [Spark Branch]
    * [HIVE-8844] - Choose a persisent policy for RDD caching [Spark Branch]
    * [HIVE-8852] - Update new spark progress API for local submitted job monitoring [Spark Branch]
    * [HIVE-8853] - Make vectorization work with Spark [Spark Branch]
    * [HIVE-8854] - Guava dependency conflict between hive driver and remote spark context[Spark Branch]
    * [HIVE-8855] - Automatic calculate reduce number for spark job [Spark Branch]
    * [HIVE-8859] - ColumnStatsTask fails because of SparkMapJoinResolver [Spark Branch]
    * [HIVE-8860] - Populate ExecMapperContext in SparkReduceRecordHandler [Spark Branch]
    * [HIVE-8862] - Fix ordering diferences on TestParse tests due to Java8
    * [HIVE-8865] - Needs to set hashTableMemoryUsage for MapJoinDesc [Spark Branch]
    * [HIVE-8867] - Investigate test failure on mapjoin_filter_on_outerjoin.q [Spark Branch]
    * [HIVE-8868] - SparkSession and SparkClient mapping[Spark Branch]
    * [HIVE-8882] - Fix test TestHiveKVResultCache [Spark Branch]
    * [HIVE-8883] - Investigate test failures on auto_join30.q [Spark Branch]
    * [HIVE-8885] - Investigate test failure on auto_join13.q [Spark Branch]
    * [HIVE-8887] - Investigate test failures on auto_join6, auto_join7, auto_join18, auto_join18_multi_distinct [Spark Branch]
    * [HIVE-8892] - Use MEMORY_AND_DISK for RDD caching [Spark Branch]
    * [HIVE-8899] - Merge from trunk to spark [Spark Branch]
    * [HIVE-8905] - Servlet classes signer information does not match [Spark branch]
    * [HIVE-8908] - Investigate test failure on join34.q [Spark Branch]
    * [HIVE-8911] - Enable mapjoin hints [Spark Branch]
    * [HIVE-8920] - IOContext problem with multiple MapWorks cloned for multi-insert [Spark Branch]
    * [HIVE-8921] - Investigate test failure on auto_join2.q [Spark Branch]
    * [HIVE-8922] - CBO: assorted date and timestamp issues
    * [HIVE-8923] - HIVE-8512 needs to be fixed also for CBO
    * [HIVE-8924] - Investigate test failure for join_empty.q [Spark Branch]
    * [HIVE-8934] - Investigate test failure on bucketmapjoin10.q and bucketmapjoin11.q [Spark Branch]
    * [HIVE-8936] - Add SORT_QUERY_RESULTS for join tests that do not guarantee order
    * [HIVE-8942] - Investigate test failure on skewjoin.q [Spark Branch]
    * [HIVE-8943] - Fix memory limit check for combine nested mapjoins [Spark Branch]
    * [HIVE-8946] - Enable Map Join [Spark Branch]
    * [HIVE-8951] - Spark remote context doesn't work with local-cluster [Spark Branch]
    * [HIVE-8956] - Hive hangs while some error/exception happens beyond job execution [Spark Branch]
    * [HIVE-8959] - SparkSession is not closed until JVM exit.[Spark Branch]
    * [HIVE-8961] - Remove unnecessary dependency collection task [Spark Branch]
    * [HIVE-8962] - Add SORT_QUERY_RESULTS for join tests that do not guarantee order #2
    * [HIVE-8963] - Investigate test failure on bucketmapjoin7.q [Spark Branch]
    * [HIVE-8970] - Enable map join optimization only when hive.auto.convert.join is true [Spark Branch]
    * [HIVE-8972] - Implement more fine-grained remote client-level events [Spark Branch]
    * [HIVE-8982] - IndexOutOfBounds exception in mapjoin [Spark Branch]
    * [HIVE-8984] - Enable job metrics/statistics gathering for remote spark context [Spark Branch]
    * [HIVE-8991] - Fix custom_input_output_format [Spark Branch]
    * [HIVE-8992] - Fix bucket related test failure: parquet_join.q [Spark Branch]
    * [HIVE-8993] - Make sure Spark + HS2 work [Spark Branch]
    * [HIVE-8994] - Merge from trunk Nov 28 2014
    * [HIVE-8995] - Find thread leak in RSC Tests [Spark Branch]
    * [HIVE-8998] - Logging is not configured in spark-submit sub-process
    * [HIVE-9007] - Hive may generate wrong plan for map join queries due to IdentityProjectRemover [Spark Branch]
    * [HIVE-9016] - SparkCounter display name is not set correctly[Spark Branch]
    * [HIVE-9019] - Avoid using SPARK_JAVA_OPTS [Spark Branch]
    * [HIVE-9026] - Re-enable remaining tests after HIVE-8970 [Spark Branch]
    * [HIVE-9027] - Enable ppd_join4 [Spark Branch]
    * [HIVE-9030] - CBO: Plans with comparison of values with different types
    * [HIVE-9033] - Fix ordering differences due to Java8 (part 2)
    * [HIVE-9034] - CBO: type change in literal_ints.q
    * [HIVE-9035] - CBO: Disable PPD when functions are non-deterministic (ppd_random.q  - non-deterministic udf rand() pushed above join)
    * [HIVE-9036] - Replace akka for remote spark client RPC [Spark Branch]
    * [HIVE-9040] - Spark Memory can be formatted string [Spark Branch]
    * [HIVE-9041] - Generate better plan for queries containing both union and multi-insert [Spark Branch]
    * [HIVE-9042] - Support multiple mapjoin operators in one work [Spark Branch]
    * [HIVE-9043] - HiveException: Conflict on row inspector for {table}
    * [HIVE-9054] - Add additional logging to SetSparkReducerParallelism [Spark Branch]
    * [HIVE-9059] - Remove wrappers for SparkJobInfo and SparkStageInfo [Spark Branch]
    * [HIVE-9063] - NPE in RemoteSparkJobStatus.getSparkStatistics [Spark Branch]
    * [HIVE-9066] - temporarily disable CBO for non-deterministic functions
    * [HIVE-9078] - Hive should not submit second SparkTask while previous one has failed.[Spark Branch]
    * [HIVE-9079] - Hive hangs while failed to get executorCount[Spark Branch]
    * [HIVE-9081] - Bucket mapjoin should use the new alias in posToAliasMap [Spark Branch]
    * [HIVE-9085] - Spark Client RPC should have larger default max message size [Spark Branch]
    * [HIVE-9088] - Spark counter serialization error in spark.log [Spark Branch]
    * [HIVE-9094] - TimeoutException when trying get executor count from RSC [Spark Branch]
    * [HIVE-9098] - Check cross product for conditional task [Spark Branch]
    * [HIVE-9099] - infer_bucket_sort_convert_join.q and mapjoin_hook.q failed.[Spark Branch]
    * [HIVE-9101] - bucket_map_join_spark4.q failed due to NPE.[Spark Branch]
    * [HIVE-9104] - windowing.q failed when mapred.reduce.tasks is set to larger than one
    * [HIVE-9109] - Add support for Java 8 specific q-test out files
    * [HIVE-9110] - Performance of SELECT COUNT(*) FROM store_sales WHERE ss_item_sk IS NOT NULL [Spark Branch]
    * [HIVE-9116] - Add unit test for multi sessions.[Spark Branch]
    * [HIVE-9121] - Enable beeline query progress information for Spark job[Spark Branch]
    * [HIVE-9127] - Improve CombineHiveInputFormat.getSplit performance
    * [HIVE-9133] - CBO (Calcite Return Path): Refactor Semantic Analyzer to Move CBO code out 
    * [HIVE-9135] - Cache Map and Reduce works in RSC [Spark Branch]
    * [HIVE-9136] - Profile query compiler [Spark Branch]
    * [HIVE-9153] - Perf enhancement on CombineHiveInputFormat and HiveInputFormat
    * [HIVE-9157] - Merge from trunk to spark 12/26/2014 [Spark Branch]
    * [HIVE-9161] - Fix ordering differences on UDF functions due to Java8
    * [HIVE-9164] - Profile query compiler #2 [Spark Branch]
    * [HIVE-9170] - UT: udf_in_file fails with filenotfoundexception [Spark Branch]
    * [HIVE-9174] - Enable queuing of HCatalog notification events in metastore DB
    * [HIVE-9175] - Add alters to list of events handled by NotificationListener
    * [HIVE-9178] - Create a separate API for remote Spark Context RPC other than job submission [Spark Branch]
    * [HIVE-9179] - Add listeners on JobHandle so job status change can be notified to the client [Spark Branch]
    * [HIVE-9181] - Fix SkewJoinOptimizer related Java 8 ordering differences
    * [HIVE-9184] - Modify HCatClient to support new notification methods in HiveMetaStoreClient
    * [HIVE-9192] - One-pass SMB Optimizations [Spark Branch]
    * [HIVE-9193] - Fix ordering differences due to Java 8 (Part 3)
    * [HIVE-9194] - Support select distinct *
    * [HIVE-9200] - CBO (Calcite Return Path): Inline Join, Properties
    * [HIVE-9202] - Choose Kryo as the serializer for pTest [Spark Branch]
    * [HIVE-9206] - Fix Desc Formatted related Java 8 ordering differences
    * [HIVE-9207] - Add more log information for debug RSC[Spark Branch]
    * [HIVE-9209] - Spark branch compile failed on hadoop-1[Spark Branch]
    * [HIVE-9211] - Research on build mini HoS cluster on YARN for unit test[Spark Branch]
    * [HIVE-9216] - Avoid redundant clone of JobConf [Spark Branch]
    * [HIVE-9218] - Remove authorization_admin_almighty1 from spark tests [Spark Branch]
    * [HIVE-9222] - Fix ordering differences due to Java 8 (Part 4)
    * [HIVE-9224] - CBO (Calcite Return Path): Inline Table, Properties
    * [HIVE-9230] - Followup for HIVE-9125, update ppd_join4.q.out for Spark [Spark Branch]
    * [HIVE-9239] - Fix ordering differences due to Java 8 (Part 5)
    * [HIVE-9241] - Fix TestCliDriver.testCliDriver_subquery_multiinsert
    * [HIVE-9246] - Remove tabs from spark code [Spark Branch]
    * [HIVE-9251] - SetSparkReducerParallelism is likely to set too small number of reducers [Spark Branch]
    * [HIVE-9256] - Merge trunk to spark 1/5/2015 [Spark Branch]
    * [HIVE-9257] - Merge from spark to trunk January 2015
    * [HIVE-9259] - Fix ClassCastException when CBO is enabled for HOS [Spark Branch]
    * [HIVE-9264] - Merge encryption branch to trunk
    * [HIVE-9267] - Ensure custom UDF works with Spark [Spark Branch]
    * [HIVE-9281] - Code cleanup [Spark Branch]
    * [HIVE-9288] - TODO cleanup task1.[Spark Branch]
    * [HIVE-9292] - CBO (Calcite Return Path): Inline GroupBy, Properties
    * [HIVE-9305] - Set default miniClusterType back to none in QTestUtil.[Spark branch]
    * [HIVE-9306] - Let Context.isLocalOnlyExecutionMode() return false if execution engine is Spark [Spark Branch]
    * [HIVE-9315] - CBO (Calcite Return Path): Inline FileSinkOperator, Properties
    * [HIVE-9319] - Cleanup Modified Files [Spark Branch]
    * [HIVE-9321] - Notification message size can be arbitrarily long, DbNotificationListener limits to 1024
    * [HIVE-9323] - Merge from trunk to spark 1/8/2015
    * [HIVE-9326] - BaseProtocol.Error failed to deserialization due to NPE.[Spark Branch]
    * [HIVE-9335] - Address review items on HIVE-9257 [Spark Branch]
    * [HIVE-9337] - Move more hive.spark.* configurations to HiveConf [Spark Branch]
    * [HIVE-9342] - add num-executors / executor-cores / executor-memory option support for hive on spark in Yarn mode [Spark Branch]
    * [HIVE-9352] - Merge from spark to trunk (follow-up of HIVE-9257)
    * [HIVE-9370] - SparkJobMonitor timeout as sortByKey would launch extra Spark job before original job get submitted [Spark Branch]
    * [HIVE-9379] - Fix tests with some versions of Spark + Snappy [Spark Branch]
    * [HIVE-9387] - Shutting down cli takes quite some time [Spark Branch]
    * [HIVE-9395] - Make WAIT_SUBMISSION_TIMEOUT configuable and check timeout in SparkJobMonitor level.[Spark Branch]
    * [HIVE-9409] - Avoid ser/de loggers as logging framework can be incompatible on driver and workers
    * [HIVE-9410] - ClassNotFoundException occurs during hive query case execution with UDF defined [Spark Branch]
    * [HIVE-9425] - Add jar/file doesn't work with yarn-cluster mode [Spark Branch]
    * [HIVE-9426] - Merge trunk to spark 1/21/2015
    * [HIVE-9428] - LocalSparkJobStatus may return failed job as successful [Spark Branch]
    * [HIVE-9431] - CBO (Calcite Return Path): Removing AST from ParseContext
    * [HIVE-9434] - Shim the method Path.getPathWithoutSchemeAndAuthority
    * [HIVE-9444] - CBO (Calcite Return Path): Rewrite GlobalLimitOptimizer
    * [HIVE-9449] - Push YARN configuration to Spark while deply Spark on YARN[Spark Branch]
    * [HIVE-9450] - [Parquet] Check all data types work for Parquet in Group By operator
    * [HIVE-9477] - No error thrown when global limit optimization failed to find enough number of rows [Spark Branch]
    * [HIVE-9487] - Make Remote Spark Context secure [Spark Branch]
    * [HIVE-9493] - Failed job may not throw exceptions [Spark Branch]
    * [HIVE-9517] - UNION ALL query failed with ArrayIndexOutOfBoundsException [Spark Branch]
    * [HIVE-9552] - Merge trunk to Spark branch 2/2/2015 [Spark Branch]
    * [HIVE-9568] - Revert changes in two test configuration files accidently brought in by HIVE-9552 [Spark Branch]
    * [HIVE-9574] - Lazy computing in HiveBaseFunctionResultList may hurt performance [Spark Branch]

** Bug
    * [HIVE-1344] - error in select disinct
    * [HIVE-1654] - select distinct should allow column name regex
    * [HIVE-1869] - TestMTQueries failing on jenkins
    * [HIVE-3781] - Index related events should be delivered to metastore event listener
    * [HIVE-4009] - CLI Tests fail randomly due to MapReduce LocalJobRunner race condition
    * [HIVE-5536] - Incorrect Operation Name is passed to hookcontext
    * [HIVE-5865] - AvroDeserializer incorrectly assumes keys to Maps will always be of type 'org.apache.avro.util.Utf8'
    * [HIVE-6165] - Unify HivePreparedStatement from jdbc:hive and jdbc:hive2
    * [HIVE-6308] - COLUMNS_V2 Metastore table not populated for tables created without an explicit column list.
    * [HIVE-6421] - abs() should preserve precision/scale of decimal input
    * [HIVE-6623] - Add "owner" tag to ptest2 created instances
    * [HIVE-6683] - Beeline does not accept comments at end of line
    * [HIVE-6914] - parquet-hive cannot write nested map (map value is map)
    * [HIVE-7024] - Escape control characters for explain result
    * [HIVE-7069] - Zookeeper connection leak
    * [HIVE-7431] - When run on spark cluster, some spark tasks may fail
    * [HIVE-7489] - Change ql/pom.xml to fix mvn project setup [Spark Branch]
    * [HIVE-7523] - Fix spark build after merge merging trunk
    * [HIVE-7530] - Go thru the common code to find references to HIVE_EXECUCTION_ENGINE to make sure conditions works with Spark [Spark Branch]
    * [HIVE-7540] - NotSerializableException encountered when using sortByKey transformation
    * [HIVE-7556] - Fix code style, license header, tabs, etc. [Spark Branch]
    * [HIVE-7591] - GenMapRedUtils::addStatsTask only assumes either MapredWork or TezWork
    * [HIVE-7624] - Reduce operator initialization failed when running multiple MR query on spark
    * [HIVE-7626] - Add jar through CLI did not loaded by Spark executor[Spark Branck]
    * [HIVE-7627] - FSStatsPublisher does fit into Spark multi-thread task mode[Spark Branch]
    * [HIVE-7642] - Set hive input format by configuration.[Spark Branch]
    * [HIVE-7643] - ExecMapper static states lead to unpredictable query result.[Spark Branch]
    * [HIVE-7652] - Check OutputCollector after closing ExecMapper/ExecReducer
    * [HIVE-7745] - NullPointerException when turn on hive.optimize.union.remove, hive.merge.mapfiles and hive.merge.mapredfiles [Spark Branch]
    * [HIVE-7747] - Submitting a query to Spark from HiveServer2 fails [Spark Branch]
    * [HIVE-7763] - Failed to query TABLESAMPLE on empty bucket table [Spark Branch]
    * [HIVE-7795] - Enable ptf.q and ptf_streaming.q.[Spark Branch]
    * [HIVE-7799] - TRANSFORM failed in transform_ppr1.q[Spark Branch]
    * [HIVE-7909] - Fix sample8.q automatic test failure[Spark Branch]
    * [HIVE-7930] - enable vectorization_short_regress.q,  vector_string_concat.q [Spark Branch]
    * [HIVE-7932] - It may cause NP exception when add accessed columns to ReadEntity
    * [HIVE-7951] - InputFormats implementing (Job)Configurable should not be cached
    * [HIVE-7997] - Potential null pointer reference in ObjectInspectorUtils#compareTypes()
    * [HIVE-8118] - Support work that have multiple child works to work around SPARK-3622  [Spark Branch]
    * [HIVE-8180] - Update SparkReduceRecordHandler for processing the vectors [spark branch]
    * [HIVE-8182] - beeline fails when executing multiple-line queries with trailing spaces
    * [HIVE-8257] - Accumulo introduces old hadoop-client dependency
    * [HIVE-8266] - create function using <resource> statement compilation should include resource URI entity
    * [HIVE-8284] - Equality comparison is done between two floating point variables in HiveRelMdUniqueKeys#getUniqueKeys()
    * [HIVE-8300] - Missing guava lib causes IllegalStateException when deserializing a task [Spark Branch]
    * [HIVE-8308] - Acid related table properties should be defined in one place and should be case insensitive
    * [HIVE-8317] - WebHCat pom should explicitly depend on jersey-core
    * [HIVE-8326] - Using DbTxnManager with concurrency off results in run time error
    * [HIVE-8330] - HiveResultSet.findColumn() parameters are case sensitive
    * [HIVE-8338] - Add ip and command to semantic analyzer hook context
    * [HIVE-8345] - q-test for Avro date support
    * [HIVE-8359] - Map containing null values are not correctly written in Parquet files
    * [HIVE-8381] - Update hive version on trunk to 0.15
    * [HIVE-8387] - add retry logic to ZooKeeperStorage in WebHCat
    * [HIVE-8425] - enable vectorized_mapjoin.q,vectorized_nested_mapjoin.q [Sparch Branch]
    * [HIVE-8426] - paralle.q assert failed.[Spark Branch]
    * [HIVE-8448] - Union All might not work due to the type conversion issue
    * [HIVE-8450] - Create table like does not copy over table properties
    * [HIVE-8457] - MapOperator initialization fails when multiple Spark threads is enabled [Spark Branch]
    * [HIVE-8491] - Fix build name in ptest pre-commit message
    * [HIVE-8496] - Re-enable statistics [Spark Branch]
    * [HIVE-8500] - beeline does not need to set hive.aux.jars.path
    * [HIVE-8512] - queries with star and gby produce incorrect results
    * [HIVE-8518] - Compile time skew join optimization returns duplicated results
    * [HIVE-8523] - Potential null dereference in DDLSemanticAnalyzer#addInputsOutputsAlterTable()
    * [HIVE-8542] - Enable groupby_map_ppr.q and groupby_map_ppr_multi_distinct.q [Spark Branch]
    * [HIVE-8545] - Exception when casting Text to BytesWritable [Spark Branch]
    * [HIVE-8556] - introduce overflow control and sanity check to BytesBytesMapJoin
    * [HIVE-8564] - DROP TABLE IF EXISTS throws exception if the table does not exist.  
    * [HIVE-8565] - beeline may go into an infinite loop when using EOF
    * [HIVE-8576] - Guaranteed NPE in StatsRulesProcFactory
    * [HIVE-8594] - Wrong condition in SettableConfigUpdater#setHiveConfWhiteList()
    * [HIVE-8600] - Add option to log explain output for query
    * [HIVE-8610] - Compile time skew join optimization doesn't work with auto map join
    * [HIVE-8611] - grant/revoke syntax should support additional objects for authorization plugins
    * [HIVE-8612] - Support metadata result filter hooks
    * [HIVE-8613] - percentile_approx raise a comparator error
    * [HIVE-8627] - Compute stats on a table from impala caused the table to be corrupted
    * [HIVE-8634] - HiveServer2 fair scheduler queue mapping doesn't handle the secondary groups rules correctly
    * [HIVE-8636] - CBO: split cbo_correctness test
    * [HIVE-8666] - hive.metastore.server.max.threads default is too high
    * [HIVE-8680] - Set Max Message for Binary Thrift endpoints
    * [HIVE-8693] - Separate out fair scheduler dependency from hadoop 0.23 shim
    * [HIVE-8708] - Add query id to explain log option
    * [HIVE-8720] - Update orc_merge tests to make it consistent across OS'es
    * [HIVE-8728] - Fix ptf.q determinism
    * [HIVE-8730] - schemaTool failure when date partition has non-date value
    * [HIVE-8736] - add ordering to cbo_correctness to make result consistent
    * [HIVE-8743] - Disable MapJoin [Spark Branch]
    * [HIVE-8757] - YARN dep in scheduler shim should be optional
    * [HIVE-8762] - HiveMetaStore.BooleanPointer should be replaced with an AtomicBoolean
    * [HIVE-8791] - Hive permission inheritance throws exception S3
    * [HIVE-8796] - TestCliDriver acid tests with decimal needs benchmark to be updated
    * [HIVE-8797] - Simultaneous dynamic inserts can result in "partition already exists" error
    * [HIVE-8803] - DESC SCHEMA <DATABASE-NAME> is not working
    * [HIVE-8808] - HiveInputFormat caching cannot work with all input formats
    * [HIVE-8812] - TestMinimrCliDriver failure if run in the same command as TestHBaseNegativeCliDriver
    * [HIVE-8825] - SQLCompletor catches Throwable and ignores it
    * [HIVE-8847] - Fix bugs in jenkins scripts
    * [HIVE-8848] - data loading from text files or text file processing doesn't handle nulls correctly
    * [HIVE-8850] - ObjectStore:: rollbackTransaction() needs to be looked into further.
    * [HIVE-8863] - Cannot drop table with uppercase name after "compute statistics for columns"
    * [HIVE-8869] - RowSchema not updated for some ops when columns are pruned
    * [HIVE-8872] - Hive view of HBase range scan intermittently returns incorrect data.
    * [HIVE-8874] - Error Accessing HBase from Hive via Oozie on Kerberos 5.0.1 cluster
    * [HIVE-8875] - hive.optimize.sort.dynamic.partition should be turned off for ACID
    * [HIVE-8877] - improve context logging during job submission via WebHCat
    * [HIVE-8879] - Upgrade derby version to address race candition
    * [HIVE-8881] - Receiving json "{"error":"Could not find job job_1415748506143_0002"}" when web client tries to fetch all jobs from webhcat where HDFS does not have the data.
    * [HIVE-8889] - JDBC Driver ResultSet.getXXXXXX(String columnLabel) methods Broken
    * [HIVE-8891] - Another possible cause to NucleusObjectNotFoundException from drops/rollback
    * [HIVE-8893] - Implement whitelist for builtin UDFs to avoid untrused code execution in multiuser mode
    * [HIVE-8901] - increase retry attempt, interval on metastore database errors
    * [HIVE-8909] - Hive doesn't correctly read Parquet nested types
    * [HIVE-8914] - HDFSCleanup thread holds reference to FileSystem
    * [HIVE-8916] - Handle user@domain username under LDAP authentication
    * [HIVE-8917] - HIVE-5679 adds two thread safety problems
    * [HIVE-8926] - Projections that only swap input columns are identified incorrectly as identity projections
    * [HIVE-8938] - Compiler should save the transform URI as input entity
    * [HIVE-8944] - TestCompactor fails with IncompatibleClassChangeError
    * [HIVE-8948] - TestStreaming is flaky
    * [HIVE-8964] - Some TestMiniTezCliDriver tests taking two hours
    * [HIVE-8965] - Enhance PTest to kill all processes between tests and to report when a TEST*.xml file is not generated
    * [HIVE-8967] - Fix bucketmapjoin7.q determinism
    * [HIVE-8975] - Possible performance regression on bucket_map_join_tez2.q
    * [HIVE-8978] - Fix test determinism issue for qfile: smb_mapjoin_1.q etc
    * [HIVE-8986] - Add limit_partition_metadataonly.q in testconfiguration.properties [Spark Branch]
    * [HIVE-8990] - mapjoin_mapjoin.q is failing on Tez (missed golden file update)
    * [HIVE-9001] - Ship with log4j.properties file that has a reliable time based rolling policy
    * [HIVE-9006] - hiveserver thrift api version is still 6
    * [HIVE-9011] - Fix parquet_join.q determinism
    * [HIVE-9024] - NullPointerException when starting webhcat server if templeton.hive.properties is not set
    * [HIVE-9032] - Help for orcfiledump script does not reflect new options
    * [HIVE-9048] - Hive build failed on hadoop-1 after HIVE-8828.
    * [HIVE-9055] - Tez: union all followed by group by followed by another union all gives error
    * [HIVE-9060] - Fix child operator references after NonBlockingOpDeDupProc
    * [HIVE-9077] - Set completer in CliDriver is not working
    * [HIVE-9096] - GenericUDF may be left unclosed in PartitionPrune#visitCall()
    * [HIVE-9113] - Explain on query failed with NPE
    * [HIVE-9120] - Hive Query log does not work when hive.exec.parallel is true
    * [HIVE-9122] - Need to remove additional references to hive-shims-common-secure, hive-shims-0.20
    * [HIVE-9129] - Migrate to newer Calcite snapshot, where ByteString is now in org.apache.calcite.avatica.util
    * [HIVE-9130] -  vector_partition_diff_num_cols result is not updated after CBO upgrade
    * [HIVE-9131] - MiniTez optimize_nullscan test is unstable
    * [HIVE-9149] - Add unit test to test implicit conversion during dynamic partitioning/distribute by
    * [HIVE-9150] - Unrelated types are compared in GenTezWork#getFollowingWorkIndex()
    * [HIVE-9154] - Cache pathToPartitionInfo in context aware record reader
    * [HIVE-9177] - Fix child operator references after NonBlockingOpDeDupProc (II)
    * [HIVE-9195] - CBO changes constant to column type
    * [HIVE-9197] - fix lvj_mapjoin.q diff in trunk
    * [HIVE-9199] - Excessive exclusive lock used in some DDLs with DummyTxnManager
    * [HIVE-9203] - CREATE TEMPORARY FUNCTION hangs trying to acquire lock
    * [HIVE-9215] - Some mapjoin queries broken with IdentityProjectRemover with PPD
    * [HIVE-9221] - Remove deprecation warning for hive.metastore.local
    * [HIVE-9242] - Many places in CBO code eat exceptions
    * [HIVE-9243] - Static Map in IOContext is not thread safe
    * [HIVE-9255] - Fastpath for limited fetches from unpartitioned tables
    * [HIVE-9289] - TODO : Store user name in session [Spark Branch]
    * [HIVE-9296] - Need to add schema upgrade changes for queueing events in the database
    * [HIVE-9299] - Reuse Configuration in AvroSerdeUtils
    * [HIVE-9300] - Make TCompactProtocol configurable
    * [HIVE-9301] - Potential null dereference in MoveTask#createTargetPath()
    * [HIVE-9309] - schematool fails on Postgres 8.1
    * [HIVE-9310] - CLI JLine does not flush history back to ~/.hivehistory
    * [HIVE-9316] - TestSqoop tests in WebHCat testsuite hardcode libdir path to hdfs
    * [HIVE-9330] - DummyTxnManager will throw NPE if WriteEntity writeType has not been set
    * [HIVE-9331] - get rid of pre-optimized-hashtable memory optimizations
    * [HIVE-9344] - Fix flaky test optimize_nullscan
    * [HIVE-9347] - Bug with max() together with rank() and grouping sets
    * [HIVE-9351] - Running Hive Jobs with Tez cause templeton to never report percent complete
    * [HIVE-9353] - make TABLE keyword optional in INSERT INTO TABLE foo...
    * [HIVE-9366] - wrong date in description annotation in date_add() and date_sub() udf
    * [HIVE-9369] - fix arguments length checking in Upper and Lower UDF
    * [HIVE-9377] - UDF in_file() in WHERE predicate causes NPE.
    * [HIVE-9381] - HCatalog hardcodes maximum append limit to 1000.
    * [HIVE-9382] - Query got rerun with Global Limit optimization on and Fetch optimization off
    * [HIVE-9386] - FileNotFoundException when using in_file()
    * [HIVE-9393] - reduce noisy log level of ColumnarSerDe.java:116 from INFO to DEBUG
    * [HIVE-9396] - date_add()/date_sub() should allow tinyint/smallint/bigint arguments in addition to int
    * [HIVE-9414] - Fixup post HIVE-9264 - Merge encryption branch to trunk
    * [HIVE-9437] - Beeline does not add any existing HADOOP_CLASSPATH
    * [HIVE-9440] - Folders may not be pruned for Hadoop 2
    * [HIVE-9441] - Remove call to deprecated Calcite method
    * [HIVE-9443] - ORC PPD - fix fuzzy case evaluation of IS_NULL
    * [HIVE-9445] - Revert HIVE-5700 - enforce single date format for partition column storage
    * [HIVE-9446] - JDBC DatabaseMetadata.getColumns() does not work for temporary tables
    * [HIVE-9448] - Merge spark to trunk 1/23/15
    * [HIVE-9454] - Test failures due to new Calcite version
    * [HIVE-9462] - HIVE-8577 - breaks type evolution
    * [HIVE-9475] - HiveMetastoreClient.tableExists does not work
    * [HIVE-9476] - Beeline fails to start on trunk
    * [HIVE-9502] - Parquet cannot read Map types from files written with Hive <= 0.12
    * [HIVE-9515] - Check hive.vectorized.execution.reduce.enabled [Spark Branch]
    * [HIVE-9519] - Bump up spark client connection timeout
    * [HIVE-9593] - ORC Reader should ignore unknown metadata streams 
    * [HIVE-9610] - Continuation of HIVE-9438 - The standalone-jdbc jar missing some classes
    * [HIVE-9611] - Allow SPARK_HOME as well as spark.home to define sparks location
    * [HIVE-9621] - HiveServer2 http mode - embedded jetty should use SynchronousQueue
    * [HIVE-9646] - Beeline doesn't show Spark job progress info [Spark Branch]
    * [HIVE-9651] - FileSinkOperator does not pass in conf to serde.initialize
    * [HIVE-9684] - Incorrect disk range computation in ORC because of optional stream kind
    * [HIVE-9685] - CLIService should create SessionState after logging into kerberos
    * [HIVE-9686] - HiveMetastore.logAuditEvent can be used before sasl server is started
    * [HIVE-9701] - JMH module does not compile under hadoop-1 profile
    * [HIVE-9921] - Compile hive failed
    * [HIVE-10041] - Set defaults for HBASE_HOME in a smarter way
    * [HIVE-10573] - Improve Hive service for connection
    * [HIVE-10685] - Alter table concatenate oparetor will cause duplicate data

** Improvement
    * [HIVE-2828] - make timestamp accessible in the hbase KeyValue 
    * [HIVE-3187] - support ISO-2012 timestamp literals
    * [HIVE-4639] - Add has null flag to ORC internal index
    * [HIVE-4766] - Support HS2 client login timeout when the thrift thread max# is reached
    * [HIVE-4809] - ReduceSinkOperator of PTFOperator can have redundant key columns
    * [HIVE-5718] - Support direct fetch for lateral views, sub queries, etc.
    * [HIVE-6148] - Support arbitrary structs stored in HBase
    * [HIVE-7032] - Remove Triple Negative in Error 10129
    * [HIVE-7313] - Allow in-memory/ssd session-level temp-tables
    * [HIVE-7408] - HCatPartition needs getPartCols method
    * [HIVE-7550] - Extend cached evaluation to multiple expressions
    * [HIVE-7564] - Remove some redundant code plus a bit of cleanup in SparkClient [Spark Branch]
    * [HIVE-7605] - add more javadoc to HivePrivilegeObject
    * [HIVE-7659] - Unnecessary sort in query plan [Spark Branch]
    * [HIVE-7685] - Parquet memory manager
    * [HIVE-7707] - Optimize SparkMapRecordHandler implementation
    * [HIVE-7858] - Parquet compression should be configurable via table property
    * [HIVE-7868] - AvroSerDe error handling could be improved
    * [HIVE-7896] - orcfiledump should be able to dump data
    * [HIVE-7977] - Avoid creating serde for partitions if possible in FetchTask
    * [HIVE-8029] - Remove reducers number configure in SparkTask [Spark Branch]
    * [HIVE-8094] - add LIKE keyword support for SHOW FUNCTIONS
    * [HIVE-8155] -  In select statement after * any random characters are allowed in hive but in RDBMS its not allowed
    * [HIVE-8249] - Refactoring SparkPlan and SparkPlanGenerator [Spark Branch]
    * [HIVE-8337] - Change default of hive.warehouse.subdir.inherit.perms to true
    * [HIVE-8347] - Use base-64 encoding instead of custom encoding for serialized objects
    * [HIVE-8357] - Path type entities should use qualified path rather than string
    * [HIVE-8395] - CBO: enable by default
    * [HIVE-8424] - Support fair scheduler user queue mapping in non-impersonation mode
    * [HIVE-8449] - webhcat startup does not create the log directory
    * [HIVE-8463] - Add numPartitions info to SparkEdgeProperty [Spark Branch]
    * [HIVE-8469] - Add parquet.compression as a Serde Property
    * [HIVE-8535] - Enable compile time skew join optimization for spark [Spark Branch]
    * [HIVE-8536] - Enable SkewJoinResolver for spark [Spark Branch]
    * [HIVE-8552] - Remove hard code of offline and make addHost api public
    * [HIVE-8642] - Hive stack() UDTF Doesn't Support NULL Insert Values
    * [HIVE-8661] - JDBC MinimizeJAR should be configurable in pom.xml
    * [HIVE-8710] - Add more tests for transactional inserts
    * [HIVE-8813] - Allow tests to be excluded based on pattern/regex
    * [HIVE-8823] - Add additional serde properties for parquet
    * [HIVE-8829] - Upgrade to Thrift 0.9.2
    * [HIVE-8839] - Support "alter table .. add/replace columns cascade"
    * [HIVE-8910] - Refactoring of PassThroughOutputFormat 
    * [HIVE-8913] - Make SparkMapJoinResolver handle runtime skew join [Spark Branch]
    * [HIVE-8971] - HIVE-8965 exposed some classes which start with Test but are not tests
    * [HIVE-8976] - Make nine additional tests deterministic
    * [HIVE-8977] - TestParquetDirect should be abstract
    * [HIVE-8983] - PTest Backup spark.log in addition to hive.log
    * [HIVE-8988] - Support advanced aggregation in Hive to Calcite path 
    * [HIVE-8996] - Rename getUGIForConf
    * [HIVE-9037] - Improve explain plan to show joining keys for shuffle join
    * [HIVE-9049] - Metastore should use TCompactProtocol as opposed to TBinaryProtocol
    * [HIVE-9062] - Explain plan doesn't print join keys for Tez shuffle join
    * [HIVE-9097] - Support runtime skew join for more queries [Spark Branch]
    * [HIVE-9106] - improve the performance of null scan optimizer when several table scans share a physical path
    * [HIVE-9119] - ZooKeeperHiveLockManager does not use zookeeper in the proper way
    * [HIVE-9140] - Add Calcite's ReduceExpressionRules to Hive
    * [HIVE-9158] - Multiple LDAP server URLs in hive.server2.authentication.ldap.url
    * [HIVE-9176] - Delegation token interval should be configurable in HadoopThriftAuthBridge
    * [HIVE-9189] - Add ProjectRemove rule on CBO path
    * [HIVE-9226] - Beeline interweaves the query result and query log sometimes
    * [HIVE-9244] - Upgrade 0.23 hadoop-shims to latest stable hadoop-2.6.0
    * [HIVE-9314] - Writable object inspector should use Writable classes from Hadoop for get
    * [HIVE-9318] - Add UnionMerge rule on cbo path
    * [HIVE-9341] - Apply ColumnPrunning for noop PTFs
    * [HIVE-9357] - Create ADD_MONTHS UDF
    * [HIVE-9358] - Create LAST_DAY UDF
    * [HIVE-9367] - CombineFileInputFormatShim#getDirIndices is expensive
    * [HIVE-9372] - Parallel checking non-combinable paths in CombineHiveInputFormat
    * [HIVE-9378] - Spark qfile tests should reuse RSC [Spark Branch]
    * [HIVE-9383] - Improve schema verification error message
    * [HIVE-9538] - Exclude thirdparty directory from tarballs
    * [HIVE-9549] - Include missing directories in source tarball
    * [HIVE-9586] - Too verbose log can hurt performance, we should always check log level first
    * [HIVE-9608] - Define SPARK_HOME if not defined automagically
    * [HIVE-9691] - Include a few more files include the source tarball
    * [HIVE-9705] - All curator deps should be listed in dependency management section
    * [HIVE-9707] - ExecDriver does not get token from environment
    * [HIVE-9708] - Remove testlibs directory

** New Feature
    * [HIVE-3405] - UDF initcap to obtain a string with the first letter of each word in uppercase other letters in lowercase
    * [HIVE-7122] - Storage format for create like table
    * [HIVE-8435] - Add identity project remover optimization

** Task
    * [HIVE-7111] - Extend join transitivity PPD to non-column expressions
    * [HIVE-7371] - Identify a minimum set of JARs needed to ship to Spark cluster [Spark Branch]
    * [HIVE-7526] - Research to use groupby transformation to replace Hive existing partitionByKey and SparkCollector combination
    * [HIVE-7567] - support automatic calculating reduce task number [Spark Branch]
    * [HIVE-7584] - Change SparkCompiler to generate a SparkWork that contains UnionWork from logical operator tree
    * [HIVE-7585] - Implement the graph transformation execution
    * [HIVE-7586] - Generate plan for spark work which uses spark union transformation
    * [HIVE-7606] - Design SparkSession, SparkSessionManager [Spark Branch]
    * [HIVE-8043] - Support merging small files [Spark Branch]
    * [HIVE-8160] - Upgrade Spark dependency to 1.2.0-SNAPSHOT [Spark Branch]
    * [HIVE-8274] - Refactoring SparkPlan and SparkPlanGeneration [Spark Branch]
    * [HIVE-8331] - HIVE-8303 followup, investigate result diff [Spark Branch]
    * [HIVE-8351] - Allow testing of both hadoop-1 and hadoop-2 for precommits
    * [HIVE-8370] - Fix tabs in DefaultHBaseValueFactory
    * [HIVE-8465] - Fix some minor test fails on trunk
    * [HIVE-8537] - Update to use the stable TaskContext API [Spark Branch]
    * [HIVE-8607] - Java 8 support for Hive
    * [HIVE-8608] - Move jenkins scripts to source control
    * [HIVE-8609] - Move beeline to jline2
    * [HIVE-8826] - Remove jdbm from top level license file
    * [HIVE-8828] - Remove hadoop 20 shims
    * [HIVE-8894] - Move calcite.version to root pom
    * [HIVE-8935] - Add debug logging around token stores
    * [HIVE-8974] - Upgrade to Calcite 1.0.0-SNAPSHOT (with lots of renames)
    * [HIVE-8979] - Merge shims/common-secure into shims/common
    * [HIVE-8989] - Make groupby_multi_single_reducer.q and smb_mapjoin_3.q deterministic
    * [HIVE-9183] - Compilation against HBase 1.0.0 fails due to missing dependency on high_scale_lib.Counter
    * [HIVE-9293] - Cleanup SparkTask getMapWork to skip UnionWork check [Spark Branch]
    * [HIVE-9304] - [Refactor] remove unused method in SemAly
    * [HIVE-9345] - Add encryption branch to pre-commit script
    * [HIVE-9402] - Create GREATEST and LEAST udf
    * [HIVE-9407] - Fix spacing in pom
    * [HIVE-9408] - Add hook interface so queries can be redacted before being placed in job.xml
    * [HIVE-9527] - Include dot files in tarball
    * [HIVE-9554] - Rename 0.15 upgrade scripts to 1.1
    * [HIVE-9672] - Update RELEASE_NOTES on trunk to reflect the 1.0.0 release

** Test
    * [HIVE-7772] - Add tests for order/sort/distribute/cluster by query [Spark Branch]
    * [HIVE-7924] - auto_sortmerge_join_8 sometimes fails with OOM
    * [HIVE-8207] - Add .q tests for multi-table insertion [Spark Branch]
    * [HIVE-8256] - Add SORT_QUERY_RESULTS for test that doesn't guarantee order #2
    * [HIVE-8327] - mvn site -Pfindbugs
    * [HIVE-8430] - Enable parquet_join.q [Spark Branch]
    * [HIVE-8431] - Enable smb_mapjoin_11.q and smb_mapjoin_12.q [Spark Branch]
    * [HIVE-8533] - Enable all q-tests for multi-insertion [Spark Branch]
    * [HIVE-8572] - Enable more vectorization tests [Spark Branch]
    * [HIVE-8573] - Fix some non-deterministic vectorization tests
    * [HIVE-8601] - Fix auto_sortmerge_join_16 determinism
    * [HIVE-8602] - Add SORT_QUERY_RESULTS for skewjoinopt2
    * [HIVE-8617] - Turn on all join .q tests #2 [Spark Branch]
    * [HIVE-8686] - Enable vectorization tests with query results sort [Spark Branch]
    * [HIVE-8753] - TestMiniTezCliDriver.testCliDriver_vector_mapjoin_reduce failing on trunk
    * [HIVE-8801] - Make orc_merge_incompat1.q deterministic across platforms
    * [HIVE-8929] - incorrect error message for cbo path
    * [HIVE-9091] - Add additional unit tests for HiveSQLException
    * [HIVE-9173] - Fix auto_join29.q, auto_join_without_localtask.q determinism
    * [HIVE-9290] - Make some test results deterministic
    * [HIVE-9360] - TestSparkClient throws Timeoutexception
    * [HIVE-9403] - File tests determinism with multiple reducers
    * [HIVE-9417] - Fix failing test groupby_grouping_window.q on trunk
    * [HIVE-9435] - Fix auto_join21.q for Tez
    * [HIVE-9627] - Add cbo_gby_empty.q.out for Spark [Spark Branch]


Release Notes - Hive - Version 1.0.0

** Bug
    * [HIVE-5631] - Index creation on a skew table fails
    * [HIVE-5664] - Drop cascade database fails when the db has any tables with indexes
    * [HIVE-6198] - ORC file and struct column names are case sensitive
    * [HIVE-6468] - HS2 & Metastore using SASL out of memory error when curl sends a get request
    * [HIVE-7270] - SerDe Properties are not considered by show create table Command
    * [HIVE-8099] - IN operator for partition column fails when the partition column type is DATE
    * [HIVE-8295] - Add batch retrieve partition objects for metastore direct sql 
    * [HIVE-8374] - schematool fails on Postgres versions < 9.2
    * [HIVE-8485] - HMS on Oracle incompatibility
    * [HIVE-8706] - Table statistic collection on counter failed due to table name character case.
    * [HIVE-8715] - Hive 14 upgrade scripts can fail for statistics if database was created using auto-create
    * [HIVE-8739] - handle Derby and Oracle errors with joins and filters in Direct SQL in a invalid-DB-specific path
    * [HIVE-8784] - Querying partition does not work with JDO enabled against PostgreSQL
    * [HIVE-8805] - CBO skipped due to SemanticException: Line 0:-1 Both left and right aliases encountered in JOIN 'avg_cs_ext_discount_amt'
    * [HIVE-8807] - Obsolete default values in webhcat-default.xml
    * [HIVE-8811] - Dynamic partition pruning can result in NPE during query compilation
    * [HIVE-8827] - Remove SSLv2Hello from list of disabled protocols
    * [HIVE-8830] - hcatalog process don't exit because of non daemon thread
    * [HIVE-8845] - Switch to Tez 0.5.2
    * [HIVE-8866] - Vectorization on partitioned table throws ArrayIndexOutOfBoundsException when partitions are not of same #of columns
    * [HIVE-8870] - errors when selecting a struct field within an array from ORC based tables
    * [HIVE-8873] - Switch to calcite 0.9.2
    * [HIVE-8876] - incorrect upgrade script for Oracle (13->14)
    * [HIVE-8880] - non-synchronized access to split list in OrcInputFormat
    * [HIVE-8886] - Some Vectorized String CONCAT expressions result in runtime error Vectorization: Unsuported vector output type: StringGroup
    * [HIVE-8888] - Mapjoin with LateralViewJoin generates wrong plan in Tez
    * [HIVE-8947] - HIVE-8876 also affects Postgres < 9.2
    * [HIVE-8966] - Delta files created by hive hcatalog streaming cannot be compacted
    * [HIVE-9003] - Vectorized IF expr broken for the scalar and scalar case
    * [HIVE-9025] - join38.q (without map join) produces incorrect result when testing with multiple reducers
    * [HIVE-9038] - Join tests fail on Tez
    * [HIVE-9051] - TezJobMonitor in-place updates logs too often to logfile
    * [HIVE-9053] - select constant in union all followed by group by gives wrong result
    * [HIVE-9067] - OrcFileMergeOperator may create merge file that does not match properties of input files
    * [HIVE-9090] - Rename "Tez File Merge Work" to smaller name
    * [HIVE-9108] - Fix for HIVE-8735 is incorrect (stats with long paths)
    * [HIVE-9111] - Potential NPE in OrcStruct for list and map types
    * [HIVE-9112] - Query may generate different results depending on the number of reducers
    * [HIVE-9114] - union all query in cbo test has undefined ordering
    * [HIVE-9126] - Backport HIVE-8827 (Remove SSLv2Hello from list of disabled protocols) to 0.14 branch
    * [HIVE-9141] - HiveOnTez: mix of union all, distinct, group by generates error
    * [HIVE-9155] - HIVE_LOCKS uses int instead of bigint hive-txn-schema-0.14.0.mssql.sql
    * [HIVE-9162] - stats19 test is environment-dependant
    * [HIVE-9166] - Place an upper bound for SARG CNF conversion
    * [HIVE-9168] - Vectorized Coalesce for strings is broken
    * [HIVE-9205] - Change default tez install directory to use /tmp instead of /user and create the directory if it does not exist
    * [HIVE-9234] - HiveServer2 leaks FileSystem objects in FileSystem.CACHE
    * [HIVE-9249] - java.lang.ClassCastException: org.apache.hadoop.hive.serde2.io.HiveVarcharWritable cannot be cast to org.apache.hadoop.hive.common.type.HiveVarchar when joining tables
    * [HIVE-9278] - Cached expression feature broken in one case
    * [HIVE-9317] - move Microsoft copyright to NOTICE file
    * [HIVE-9359] - Export of a large table causes OOM in Metastore and Client
    * [HIVE-9361] - Intermittent NPE in SessionHiveMetaStoreClient.alterTempTable
    * [HIVE-9390] - Enhance retry logic wrt DB access in TxnHandler
    * [HIVE-9401] - Backport: Fastpath for limited fetches from unpartitioned tables
    * [HIVE-9404] - NPE in org.apache.hadoop.hive.metastore.txn.TxnHandler.determineDatabaseProduct()
    * [HIVE-9436] - RetryingMetaStoreClient does not retry JDOExceptions
    * [HIVE-9473] - sql std auth should disallow built-in udfs that allow any java methods to be called
    * [HIVE-9514] - schematool is broken in hive 1.0.0


** Improvement
    * [HIVE-3280] - Make HiveMetaStoreClient a public API
    * [HIVE-8933] - Check release builds for SNAPSHOT dependencies


** Task
    * [HIVE-6977] - Delete Hiveserver1


Release Notes - Hive - Version 0.14.0

** Sub-task
    * [HIVE-4629] - HS2 should support an API to retrieve query logs
    * [HIVE-5176] - Wincompat : Changes for allowing various path compatibilities with Windows
    * [HIVE-5179] - Wincompat : change script tests from bash to sh
    * [HIVE-5579] - Update statistics rules for different types of joins
    * [HIVE-5760] - Add vectorized support for CHAR/VARCHAR data types
    * [HIVE-5804] - Support column statistics for expressions in GBY attributes, JOIN condition etc. when annotating operator tree with statistics
    * [HIVE-5805] - Support for operators like PTF, Script, Extract etc. in statistics annotation.
    * [HIVE-5868] - Add statistics rule for Union operator
    * [HIVE-5949] - In statistics annotation add flag to say if statistics is estimated or accurate
    * [HIVE-5998] - Add vectorized reader for Parquet files
    * [HIVE-6031] - explain subquery rewrite for where clause predicates 
    * [HIVE-6123] - Implement checkstyle in maven
    * [HIVE-6252] - sql std auth - support 'with admin option' in revoke role metastore api
    * [HIVE-6290] - Add support for hbase filters for composite keys
    * [HIVE-6367] - Implement Decimal in ParquetSerde
    * [HIVE-6394] - Implement Timestmap in ParquetSerde
    * [HIVE-6445] - Add qop support for kerberos over http in HiveServer2
    * [HIVE-6626] - Hive does not expand the DOWNLOADED_RESOURCES_DIR path
    * [HIVE-6627] - HiveServer2 should handle scratch dir permissions / errors in a better way
    * [HIVE-6714] - Fix getMapSize() of LazyMap
    * [HIVE-6735] - Make scalable dynamic partitioning work in vectorized mode
    * [HIVE-6760] - Scalable dynamic partitioning should bail out properly for list bucketing
    * [HIVE-6761] - Hashcode computation does not use maximum parallelism for scalable dynamic partitioning
    * [HIVE-6798] - Update column stats based on filter expression in stats annotation
    * [HIVE-6815] - Version of the HIVE-6374 for Hive 0.13
    * [HIVE-6982] - Export all .sh equivalent for windows (.cmd files) in bin, bin/ext
    * [HIVE-6993] - Update hive for Tez VertexLocationHint and getAVailableResource API changes
    * [HIVE-7029] - Vectorize ReduceWork
    * [HIVE-7078] - Need file sink operators that work with ACID
    * [HIVE-7094] - Separate out static/dynamic partitioning code in FileRecordWriterContainer
    * [HIVE-7156] - Group-By operator stat-annotation only uses distinct approx to generate rollups
    * [HIVE-7184] - TestHadoop20SAuthBridge no longer compiles after HADOOP-10448
    * [HIVE-7204] - Use NULL vertex location hint for Prewarm DAG vertices
    * [HIVE-7262] - Partitioned Table Function (PTF) query fails on ORC table when attempting to vectorize
    * [HIVE-7286] - Parameterize HCatMapReduceTest for testing against all Hive storage formats
    * [HIVE-7291] - Refactor TestParser to understand test-property file
    * [HIVE-7350] - Changes related to TEZ-692, TEZ-1169, TEZ-1234
    * [HIVE-7357] - Add vectorized support for BINARY data type
    * [HIVE-7398] - Parent GBY of MUX is removed even it's not for semijoin
    * [HIVE-7404] - Revoke privilege should support revoking of grant option
    * [HIVE-7405] - Vectorize GROUP BY on the Reduce-Side (Part 1 – Basic)
    * [HIVE-7420] - Parameterize tests for HCatalog Pig interfaces for testing against all storage formats
    * [HIVE-7427] - Changes for EdgeConfigurations
    * [HIVE-7457] - Minor HCatalog Pig Adapter test clean up
    * [HIVE-7491] - Stats annotation fails to evaluate constant expressions in filter operator
    * [HIVE-7513] - Add ROW__ID VirtualColumn
    * [HIVE-7535] - Make use of number of nulls column statistics in filter rule
    * [HIVE-7536] - Make use of decimal column statistics in statistics annotation
    * [HIVE-7544] - Changes related to TEZ-1288 (FastTezSerialization)
    * [HIVE-7548] - Precondition checks should not fail the merge task in case of automatic trigger
    * [HIVE-7571] - RecordUpdater should read virtual columns from row
    * [HIVE-7589] - Some fixes and improvements to statistics annotation rules
    * [HIVE-7601] - Bring up tez-branch upto the API changes from TEZ-1058, TEZ-1303, TEZ-1346, TEZ-1041
    * [HIVE-7639] - Bring tez-branch upto api changes in TEZ-1379, TEZ-1057, TEZ-1382
    * [HIVE-7646] - Modify parser to support new grammar for Insert,Update,Delete
    * [HIVE-7655] - CBO: Reading of partitioned table stats slows down explain
    * [HIVE-7656] - Bring tez-branch up-to the API changes made by TEZ-1372
    * [HIVE-7663] - OrcRecordUpdater needs to implement getStats
    * [HIVE-7679] - JOIN operator should update the column stats when number of rows changes
    * [HIVE-7734] - Join stats annotation rule is not updating columns statistics correctly
    * [HIVE-7735] - Implement Char, Varchar in ParquetSerDe
    * [HIVE-7788] - Generate plans for insert, update, and delete
    * [HIVE-7790] - Update privileges to check for update and delete
    * [HIVE-7808] - Changes to work against Tez-0.5 RC
    * [HIVE-7809] - Fix ObjectRegistry to work with Tez 0.5
    * [HIVE-7820] - union_null.q is not deterministic 
    * [HIVE-7825] - Bring tez-branch up-to the API changes made by TEZ-1472, TEZ-1469
    * [HIVE-7836] - Ease-out denominator for multi-attribute join case in statistics annotation
    * [HIVE-7864] - [CBO] Query fails if it refers only partitioning column
    * [HIVE-7869] - Build long running HS2 test framework
    * [HIVE-7904] - Missing null check cause NPE when updating join column stats in statistics annotation
    * [HIVE-7905] - CBO: more cost model changes
    * [HIVE-7907] - Bring up tez branch to changes in TEZ-1038, TEZ-1500
    * [HIVE-7935] - Support dynamic service discovery for HiveServer2
    * [HIVE-7979] - Fix testconfiguration.property file in Tez branch
    * [HIVE-7990] - With fetch column stats disabled number of elements in grouping set is not taken into account
    * [HIVE-7991] - Incorrect calculation of number of rows in JoinStatsRule.process results in overflow
    * [HIVE-7992] - StatsRulesProcFactory should gracefully handle overflows
    * [HIVE-7994] - BMJ test fails on tez
    * [HIVE-7995] - Column statistics from expression does not handle fields within complex types
    * [HIVE-8006] - CBO Trunk Merge: Test fail that includes Table Sample, rows(), query hints
    * [HIVE-8016] - CBO: PPD to honor hive Join Cond, Casting fixes, Add annotations for IF, Code cleanup
    * [HIVE-8021] - CBO: support CTAS and insert ... select
    * [HIVE-8046] - CBO: fix issues with Windowing queries
    * [HIVE-8069] - CBO: RowResolver after SubQuery predicate handling should be reset to outer query block RR
    * [HIVE-8111] - CBO trunk merge: duplicated casts for arithmetic expressions in Hive and CBO
    * [HIVE-8125] - CBO Trunk Merge: On Failure Fall Back to Non CBO
    * [HIVE-8144] - CBO: HiveProjectRel factory should create RelSubSets
    * [HIVE-8145] - CBO: bail from Optiq planning if a Select list contains multiple references to the same name
    * [HIVE-8159] - CBO: bail from Optiq planning if a Select list contains multiple references to the same name
    * [HIVE-8168] - With dynamic partition enabled fact table selectivity is not taken into account when generating the physical plan (Use CBO cardinality using physical plan generation)
    * [HIVE-8172] - HiveServer2 dynamic service discovery should let the JDBC client use default ZooKeeper namespace
    * [HIVE-8173] - HiveServer2 dynamic service discovery: figure out best ZooKeeper ACLs for security
    * [HIVE-8186] - Self join may fail if one side have virtual column(s) and other doesn't
    * [HIVE-8193] - Hook HiveServer2 dynamic service discovery with session time out
    * [HIVE-8194] - CBO: bail for having clause referring select expr aliases
    * [HIVE-8199] - CBO Trunk Merge: quote2 test fails due to incorrect literal translation
    * [HIVE-8223] - CBO Trunk Merge: partition_wise_fileformat2 select result depends on ordering
    * [HIVE-8228] - CBO: fix couple of issues with partition pruning
    * [HIVE-8237] - CBO: Use Fully qualified table name (db.tablename in ReloptHiveTable)
    * [HIVE-8288] - HiveServer2 dynamic discovery should create znodes organized by version number & add support for removing server uri's of a particular version from the server script.
    * [HIVE-8309] - CBO: Fix OB by removing constraining DT, Use external names for col Aliases, Remove unnecessary Selects, Make DT Name counter query specific
    * [HIVE-8377] - Enable Kerberized SSL for HiveServer2 in http mode
    * [HIVE-8454] - Select Operator does not rename column stats properly in case of select star
    * [HIVE-8522] - CBO: Update Calcite Version to 0.9.2-incubating-SNAPSHOT
    * [HIVE-8530] - CBO: Preserve types of literals
    * [HIVE-8549] - NPE in PK-FK inference when one side of join is complex tree
    * [HIVE-8580] - Support LateralViewJoinOperator and LateralViewForwardOperator in stats annotation
    * [HIVE-8582] - CBO: Outer Join Simplification is broken
    * [HIVE-8653] - CBO: Push Semi Join through, Project/Filter/Join
    * [HIVE-8654] - CBO: parquet_ctas test returns incorrect results
    * [HIVE-8655] - CBO: ppr_pushdown, udf_substr produces incorrect results due to broken tablesample handling
    * [HIVE-8656] - CBO: auto_join_filters fails
    * [HIVE-8657] - CBO: inputddl5, udf_reverse tests fail
    * [HIVE-8662] - CBO: tez_dml fails
    * [HIVE-8768] - CBO: Fix filter selectivity for "in clause" & "<>" 


** Bug
    * [HIVE-1363] - 'SHOW TABLE EXTENDED LIKE' command does not strip single/double quotes
    * [HIVE-1608] - use sequencefile as the default for storing intermediate results
    * [HIVE-1879] - Remove hive.metastore.metadb.dir property from hive-default.xml and HiveConf
    * [HIVE-2137] - JDBC driver doesn't encode string properly.
    * [HIVE-2390] - Add UNIONTYPE serialization support to LazyBinarySerDe
    * [HIVE-2597] - Repeated key in GROUP BY is erroneously displayed when using DISTINCT
    * [HIVE-3392] - Hive unnecessarily validates table SerDes when dropping a table
    * [HIVE-3685] - TestCliDriver (script_pipe.q) failed with IBM JDK
    * [HIVE-3925] - dependencies of fetch task are not shown by explain
    * [HIVE-4064] - Handle db qualified names consistently across all HiveQL statements
    * [HIVE-4118] - ANALYZE TABLE ... COMPUTE STATISTICS FOR COLUMNS fails when using fully qualified table name
    * [HIVE-4274] - Table created using HCatalog java client doesn't set the owner
    * [HIVE-4561] - Column stats :  LOW_VALUE (or HIGH_VALUE) will always be 0.0000 ,if all the column values larger than 0.0 (or if all column values smaller than 0.0)
    * [HIVE-4576] - templeton.hive.properties does not allow values with commas
    * [HIVE-4577] - hive CLI can't handle hadoop dfs command  with space and quotes.
    * [HIVE-4723] - DDLSemanticAnalyzer.addTablePartsOutputs eats several exceptions
    * [HIVE-4795] - Delete/Alter/Describe actions fail when SerDe is not on class path
    * [HIVE-4965] - Add support so that PTFs can stream their output; Windowing PTF should do this
    * [HIVE-5077] - Provide an option to run local task in process
    * [HIVE-5092] - Fix hiveserver2 mapreduce local job on Windows
    * [HIVE-5150] - UnsatisfiedLinkError when running hive unit tests on Windows
    * [HIVE-5268] - HiveServer2 accumulates orphaned OperationHandle objects when a client fails while executing query
    * [HIVE-5315] - Cannot attach debugger to Hiveserver2 
    * [HIVE-5336] - HCatSchema.remove(HCatFieldSchema hcatFieldSchema) should renumber the  fieldPositionMap and the fieldPositionMap should not be cached by the end user
    * [HIVE-5376] - Hive does not honor type for partition columns when altering column type
    * [HIVE-5434] - Creating a new HiveConnection does not handle the case when properties are supplied separately from connection string 
    * [HIVE-5456] - Queries fail on avro backed table with empty partition 
    * [HIVE-5607] - Hive fails to parse the "%" (mod) sign after brackets.
    * [HIVE-5631] - Index creation on a skew table fails
    * [HIVE-5664] - Drop cascade database fails when the db has any tables with indexes
    * [HIVE-5677] - Beeline warns about unavailable files if HIVE_OPTS is set
    * [HIVE-5789] - WebHCat E2E tests do not launch on Windows
    * [HIVE-5847] - DatabaseMetadata.getColumns() doesn't show correct column size for char/varchar/decimal
    * [HIVE-5870] - Move TestJDBCDriver2.testNewConnectionConfiguration to TestJDBCWithMiniHS2
    * [HIVE-6035] - Windows: percentComplete returned by job status from WebHCat is null
    * [HIVE-6093] - table creation should fail when user does not have permissions on db
    * [HIVE-6149] - TestJdbcDriver2 is unable to drop a database created from previous runs ("hbasedb")
    * [HIVE-6176] - Beeline gives bogus error message if an unaccepted command line option is given
    * [HIVE-6187] - Add test to verify that DESCRIBE TABLE works with quoted table names
    * [HIVE-6195] - Create unit tests to exercise behaviour when creating a HBase Table in Hive
    * [HIVE-6200] - Hive custom SerDe cannot load DLL added by "ADD FILE" command
    * [HIVE-6245] - HS2 creates DBs/Tables with wrong ownership when HMS setugi is true
    * [HIVE-6305] - test use of quoted identifiers in user/role names
    * [HIVE-6313] - Minimr tests in hadoop-1 hangs on shutdown
    * [HIVE-6321] - hiveserver2 --help says Unrecognized option: -h
    * [HIVE-6322] - Fix file_with_header_footer_negative.q
    * [HIVE-6331] - HIVE-5279 deprecated UDAF class without explanation/documentation/alternative
    * [HIVE-6374] - Hive job submitted with non-default name node (fs.default.name) doesn't process locations properly 
    * [HIVE-6437] - DefaultHiveAuthorizationProvider should not initialize a new HiveConf
    * [HIVE-6446] - Ability to specify hadoop.bin.path from command line -D
    * [HIVE-6447] - Bucket map joins in hive-tez
    * [HIVE-6480] - Metastore server startup script ignores ENV settings
    * [HIVE-6487] - PTest2 do not copy failed source directories
    * [HIVE-6508] - Mismatched results between vector and non-vector mode with decimal field
    * [HIVE-6511] - casting from decimal to tinyint,smallint, int and bigint generates different result when vectorization is on
    * [HIVE-6515] - Custom vertex in hive-tez should be able to accept multiple MR-inputs
    * [HIVE-6521] - WebHCat cannot fetch correct percentComplete for Hive jobs
    * [HIVE-6531] - Runtime errors in vectorized execution.
    * [HIVE-6538] - yet another annoying exception in test logs
    * [HIVE-6549] - remove templeton.jar from webhcat-default.xml, remove hcatalog/bin/hive-config.sh
    * [HIVE-6550] - SemanticAnalyzer.reset() doesn't clear all the state
    * [HIVE-6555] - TestSchemaTool is failing on trunk after branching
    * [HIVE-6560] - varchar and char types cannot be cast to binary
    * [HIVE-6563] - hdfs jar being pulled in when creating a hadoop-2 based hive tar ball
    * [HIVE-6564] - WebHCat E2E tests that launch MR jobs fail on check job completion timeout
    * [HIVE-6569] - HCatalog still has references to deprecated property hive.metastore.local
    * [HIVE-6570] - Hive variable substitution does not work with the "source" command
    * [HIVE-6571] - query id should be available for logging during query compilation
    * [HIVE-6583] - wrong sql comments : ----... instead of -- ---...
    * [HIVE-6586] - Update parameters in HiveConf.java after commit HIVE-6037
    * [HIVE-6592] - WebHCat E2E test abort when pointing to https url of webhdfs
    * [HIVE-6594] - UnsignedInt128 addition does not increase internal int array count resulting in corrupted values during serialization
    * [HIVE-6597] - WebHCat E2E tests doAsTests_6 and doAsTests_7 need to be updated
    * [HIVE-6598] - Importing the project into eclipse as maven project have some issues
    * [HIVE-6601] - alter database commands should support schema synonym keyword
    * [HIVE-6602] - Multi-user HiveServer2 throws error
    * [HIVE-6612] - Misspelling "schemaTool completeted" 
    * [HIVE-6620] - UDF printf doesn't take either CHAR or VARCHAR as the first argument
    * [HIVE-6622] - UDF translate doesn't take either CHAR or VARCHAR as any of its arguments
    * [HIVE-6637] - UDF in_file() doesn't take CHAR or VARCHAR as input
    * [HIVE-6648] - Permissions are not inherited correctly when tables have multiple partition columns
    * [HIVE-6652] - Beeline gives evasive error message for any unrecognized command line arguement
    * [HIVE-6669] - sourcing txn-script from schema script results in failure for mysql & oracle
    * [HIVE-6683] - Beeline does not accept comments at end of line
    * [HIVE-6684] - Beeline does not accept comments that are preceded by spaces
    * [HIVE-6695] - bin/hcat should include hbase jar and dependencies in the classpath [followup/clone of HCATALOG-621]
    * [HIVE-6698] - hcat.py script does not correctly load the hbase storage handler jars
    * [HIVE-6707] - Lazy maps are broken (LazyMap and LazyBinaryMap)
    * [HIVE-6709] - HiveServer2 help command is not recognizing properly.
    * [HIVE-6711] - ORC maps uses getMapSize() from MapOI which is unreliable
    * [HIVE-6715] - Hive JDBC should include username into open session request for non-sasl connection
    * [HIVE-6724] - HCatStorer throws ClassCastException while storing tinyint/smallint data
    * [HIVE-6726] - Hcat cli does not close SessionState
    * [HIVE-6727] - Table level stats for external tables are set incorrectly
    * [HIVE-6741] - HiveServer2 startup fails in secure (kerberos) mode due to backward incompatible hadoop change
    * [HIVE-6745] - HCat MultiOutputFormat hardcodes DistributedCache keynames
    * [HIVE-6756] - alter table set fileformat should set serde too
    * [HIVE-6768] - remove hcatalog/webhcat/svr/src/main/config/override-container-log4j.properties
    * [HIVE-6773] - Update readme for ptest2 framework
    * [HIVE-6782] - HiveServer2Concurrency issue when running with tez intermittently, throwing "org.apache.tez.dag.api.SessionNotRunning: Application not running" error
    * [HIVE-6783] - Incompatible schema for maps between parquet-hive and parquet-pig
    * [HIVE-6784] - parquet-hive should allow column type change
    * [HIVE-6785] - query fails when partitioned table's table level serde is ParquetHiveSerDe and partition level serde is of different SerDe
    * [HIVE-6788] - Abandoned opened transactions not being timed out
    * [HIVE-6792] - hive.warehouse.subdir.inherit.perms doesn't work correctly in CTAS
    * [HIVE-6793] - DDLSemanticAnalyzer.analyzeShowRoles() should use HiveAuthorizationTaskFactory
    * [HIVE-6807] - add HCatStorer ORC test to test missing columns
    * [HIVE-6811] - LOAD command does not work with relative paths on Windows
    * [HIVE-6817] - Some hadoop2-only tests need diffs to be updated
    * [HIVE-6820] - HiveServer(2) ignores HIVE_OPTS
    * [HIVE-6822] - TestAvroSerdeUtils fails with -Phadoop-2
    * [HIVE-6824] - Hive HBase query fails on Tez due to missing jars - part 2
    * [HIVE-6826] - Hive-tez has issues when different partitions work off of different input types
    * [HIVE-6828] - Hive tez bucket map join conversion interferes with map join conversion
    * [HIVE-6835] - Reading of partitioned Avro data fails if partition schema does not match table schema
    * [HIVE-6843] - INSTR for UTF-8 returns incorrect position
    * [HIVE-6847] - Improve / fix bugs in Hive scratch dir setup
    * [HIVE-6853] - show create table for hbase tables should exclude LOCATION 
    * [HIVE-6858] - Unit tests decimal_udf.q, vectorization_div0.q fail with jdk-7.
    * [HIVE-6861] - more hadoop2 only golden files to fix
    * [HIVE-6862] - add DB schema DDL and upgrade 12to13 scripts for MS SQL Server
    * [HIVE-6868] - Create table in HCatalog sets different SerDe defaults than what is set through the CLI
    * [HIVE-6870] - Fix maven.repo.local setting in Hive build
    * [HIVE-6871] - Build fixes to allow Windows to run TestCliDriver
    * [HIVE-6877] - TestOrcRawRecordMerger is deleting test.tmp.dir
    * [HIVE-6880] - TestHWISessionManager fails with -Phadoop-2
    * [HIVE-6883] - Dynamic partitioning optimization does not honor sort order or order by
    * [HIVE-6884] - HiveLockObject and enclosed HiveLockObjectData override equal() method but didn't do so for hashcode()
    * [HIVE-6888] - Hive leaks MapWork objects via Utilities::gWorkMap
    * [HIVE-6890] - Bug in HiveStreaming API causes problems if hive-site.xml is missing on streaming client side
    * [HIVE-6891] - Alter rename partition Perm inheritance and general partition/table group inheritance
    * [HIVE-6893] - out of sequence error in HiveMetastore server
    * [HIVE-6898] - Functions in hive are failing with java.lang.ClassNotFoundException on Tez
    * [HIVE-6900] - HostUtil.getTaskLogUrl signature change causes compilation to fail
    * [HIVE-6901] - Explain plan doesn't show operator tree for the fetch operator
    * [HIVE-6908] - TestThriftBinaryCLIService.testExecuteStatementAsync has intermittent failures
    * [HIVE-6910] - Invalid column access info for partitioned table
    * [HIVE-6913] - Hive unable to find the hashtable file during complex multi-staged map join
    * [HIVE-6915] - Hive Hbase queries fail on secure Tez cluster
    * [HIVE-6916] - Export/import inherit permissions from parent directory
    * [HIVE-6919] - hive sql std auth select query fails on partitioned tables
    * [HIVE-6921] - index creation fails with sql std auth turned on 
    * [HIVE-6922] - NullPointerException in collect_set() UDAF
    * [HIVE-6927] - Add support for MSSQL in schematool
    * [HIVE-6928] - Beeline should not chop off "describe extended" results by default
    * [HIVE-6931] - Windows unit test fixes
    * [HIVE-6932] - hive README needs update
    * [HIVE-6934] - PartitionPruner doesn't handle top level constant expression correctly
    * [HIVE-6936] - Provide table properties to InputFormats
    * [HIVE-6937] - Fix test reporting url's after jenkins move from bigtop
    * [HIVE-6939] - TestExecDriver.testMapRedPlan3 fails on hadoop-2
    * [HIVE-6944] - WebHCat e2e tests broken by HIVE-6432
    * [HIVE-6945] - issues with dropping partitions on Oracle
    * [HIVE-6946] - Make it easier to run WebHCat e2e tests
    * [HIVE-6947] - More fixes for tests on hadoop-2 
    * [HIVE-6952] - Hive 0.13 HiveOutputFormat breaks backwards compatibility
    * [HIVE-6954] - After ALTER FILEFORMAT, DESCRIBE throwing exception
    * [HIVE-6955] - ExprNodeColDesc isSame doesn't account for tabAlias: this affects trait Propagation in Joins
    * [HIVE-6956] - Duplicate partitioning column for union when dynamic partition sort optimization is enabled
    * [HIVE-6957] - SQL authorization does not work with HS2 binary mode and Kerberos auth
    * [HIVE-6959] - Enable Constant propagation optimizer for Hive Vectorization
    * [HIVE-6960] - Set Hive pom to use Hadoop-2.4
    * [HIVE-6961] - Drop partitions treats partition columns as strings
    * [HIVE-6965] - Transaction manager should use RDBMS time instead of machine time
    * [HIVE-6966] - More fixes for TestCliDriver on Windows
    * [HIVE-6967] - Hive transaction manager fails when SQLServer is used as an RDBMS
    * [HIVE-6968] - list bucketing feature does not update the location map for unpartitioned tables
    * [HIVE-6972] - jdbc HTTP configuration options should be part of sessionConf part of connection string
    * [HIVE-6976] - Show query id only when there's jobs on the cluster
    * [HIVE-6978] - beeline always exits with 0 status, should exit with non-zero status on error
    * [HIVE-6979] - Hadoop-2 test failures related to quick stats not being populated correctly
    * [HIVE-6984] - Analyzing partitioned table with NULL values for the partition column failed with NPE
    * [HIVE-6985] - sql std auth - privileges grants to public role not being honored
    * [HIVE-6986] - MatchPath fails with small resultExprString
    * [HIVE-6987] - Metastore qop settings won't work with Hadoop-2.4
    * [HIVE-6989] - Error with arithmetic operators with javaXML serialization
    * [HIVE-6990] - Direct SQL fails when the explicit schema setting is different from the default one
    * [HIVE-6994] - parquet-hive createArray strips null elements
    * [HIVE-6995] - GenericUDFBridge should log exception when it is unable to instantiate UDF object
    * [HIVE-6996] - FS based stats broken with indexed tables
    * [HIVE-7001] - fs.permissions.umask-mode is getting unset when Session is started
    * [HIVE-7003] - Fix typo in README
    * [HIVE-7004] - Fix more unit test failures on hadoop-2
    * [HIVE-7005] - MiniTez tests have non-deterministic explain plans
    * [HIVE-7006] - Fix ql_rewrite_gbtoidx.q output file
    * [HIVE-7009] - HIVE_USER_INSTALL_DIR could not bet set to non-HDFS filesystem
    * [HIVE-7011] - HiveInputFormat's split generation isn't thread safe
    * [HIVE-7012] - Wrong RS de-duplication in the ReduceSinkDeDuplication Optimizer
    * [HIVE-7015] - Failing to inherit group/permission should not fail the operation
    * [HIVE-7016] - Hive returns wrong results when execute UDF on top of DISTINCT column
    * [HIVE-7017] - Insertion into Parquet tables fails under Tez
    * [HIVE-7021] - HiveServer2 memory leak on failed queries
    * [HIVE-7023] - Bucket mapjoin is broken when the number of small aliases is two or more
    * [HIVE-7027] - Hive job fails when referencing a view that explodes an array
    * [HIVE-7030] - Remove hive.hadoop.classpath from hiveserver2.cmd
    * [HIVE-7031] - Utiltites.createEmptyFile uses File.Separator instead of Path.Separator to create an empty file in HDFS
    * [HIVE-7033] - grant statements should check if the role exists
    * [HIVE-7035] - Templeton returns 500 for user errors - when job cannot be found
    * [HIVE-7037] - Add additional tests for transform clauses with Tez
    * [HIVE-7041] - DoubleWritable/ByteWritable should extend their hadoop counterparts
    * [HIVE-7042] - Fix stats_partscan_1_23.q and orc_createas1.q for hadoop-2
    * [HIVE-7043] - When using the tez session pool via hive, once sessions time out, all queries go to the default queue
    * [HIVE-7045] - Wrong results in multi-table insert aggregating without group by clause
    * [HIVE-7050] - Display table level column stats in DESCRIBE FORMATTED TABLE
    * [HIVE-7051] - Display partition level column stats in DESCRIBE FORMATTED PARTITION
    * [HIVE-7052] - Optimize split calculation time
    * [HIVE-7053] - Unable to fetch column stats from decimal columns
    * [HIVE-7055] - config not propagating for PTFOperator
    * [HIVE-7057] - webhcat e2e deployment scripts don't have x bit set
    * [HIVE-7060] - Column stats give incorrect min and distinct_count
    * [HIVE-7061] - sql std auth - insert queries without overwrite should not require delete privileges
    * [HIVE-7062] - Support Streaming mode in Windowing
    * [HIVE-7063] - Optimize for the Top N within a Group use case
    * [HIVE-7065] - Hive jobs in webhcat run in default mr mode even in Hive on Tez setup
    * [HIVE-7066] - hive-exec jar is missing avro core
    * [HIVE-7067] - Min() and Max() on Timestamp and Date columns for ORC returns wrong results
    * [HIVE-7071] - Use custom Tez split generator to support schema evolution
    * [HIVE-7072] - HCatLoader only loads first region of hbase table
    * [HIVE-7075] - JsonSerde raises NullPointerException when object key is not lower case
    * [HIVE-7076] - Plugin (exec hook) to log to application timeline data to Yarn
    * [HIVE-7077] - Hive contrib compilation maybe broken with removal of org.apache.hadoop.record
    * [HIVE-7079] - Hive logs errors about missing tables when parsing CTE expressions
    * [HIVE-7080] - In PTest framework, Add logs URL to the JIRA comment
    * [HIVE-7082] - Vectorized parquet reader should create assigners only for the columns it assigns, not for scratch columns
    * [HIVE-7083] - Fix test failures on trunk
    * [HIVE-7087] - Remove lineage information after query completion
    * [HIVE-7092] - Insert overwrite should not delete the original directory
    * [HIVE-7096] - Support grouped splits in Tez partitioned broadcast join
    * [HIVE-7099] - Add Decimal datatype support for Windowing
    * [HIVE-7104] - Unit tests are disabled
    * [HIVE-7105] - Enable ReduceRecordProcessor to generate VectorizedRowBatches
    * [HIVE-7107] - Fix HiveServer1 JDBC Driver spec compliancy issue
    * [HIVE-7109] - Resource leak in HBaseStorageHandler
    * [HIVE-7112] - Tez processor swallows errors
    * [HIVE-7114] - Extra Tez session is started during HiveServer2 startup
    * [HIVE-7116] - HDFS FileSystem object cache causes permission issues in creating tmp directories
    * [HIVE-7117] - Partitions not inheriting table permissions after alter rename partition
    * [HIVE-7118] - Oracle upgrade schema scripts do not map Java long datatype columns correctly for transaction related tables
    * [HIVE-7119] - Extended ACL's should be inherited if warehouse perm inheritance enabled
    * [HIVE-7123] - Follow-up of HIVE-6367
    * [HIVE-7130] - schematool is broken for minor version upgrades (eg 0.13.x)
    * [HIVE-7131] - Dependencies of fetch task for tez are not shown properly
    * [HIVE-7135] - Fix test fail of TestTezTask.testSubmit
    * [HIVE-7143] - Add Streaming support in Windowing mode for more UDAFs (min/max, lead/lag, fval/lval)
    * [HIVE-7144] - GC pressure during ORC StringDictionary writes 
    * [HIVE-7146] - posexplode() UDTF fails with a NullPointerException on NULL columns
    * [HIVE-7147] - ORC PPD should handle CHAR/VARCHAR types
    * [HIVE-7149] - Parquet not able to handle negative decimal numbers
    * [HIVE-7154] - TestMetrics fails intermittently on the trunk
    * [HIVE-7155] - WebHCat controller job exceeds container memory limit
    * [HIVE-7159] - For inner joins push a 'is not null predicate' to the join sources for every non nullSafe join condition
    * [HIVE-7161] - TestMetastoreVersion fails intermittently on trunk
    * [HIVE-7162] - hadoop-1 build broken by HIVE-7071
    * [HIVE-7165] - Fix hive-default.xml.template errors & omissions
    * [HIVE-7167] - Hive Metastore fails to start with SQLServerException
    * [HIVE-7169] - HiveServer2 in Http Mode should have a configurable IdleMaxTime timeout
    * [HIVE-7170] - Fix display_colstats_tbllvl.q in trunk
    * [HIVE-7173] - Support HIVE-4867 on mapjoin of MR Tasks
    * [HIVE-7174] - Do not accept string as scale and precision when reading Avro schema
    * [HIVE-7176] - FileInputStream is not closed in Commands#properties()
    * [HIVE-7182] - ResultSet is not closed in JDBCStatsPublisher#init()
    * [HIVE-7183] - Size of partColumnGrants should be checked in ObjectStore#removeRole()
    * [HIVE-7187] - Reconcile jetty versions in hive
    * [HIVE-7188] - sum(if()) returns wrong results with vectorization
    * [HIVE-7190] - WebHCat launcher task failure can cause two concurent user jobs to run
    * [HIVE-7191] - optimized map join hash table has a bug when it reaches 2Gb
    * [HIVE-7192] - Hive Streaming - Some required settings are not mentioned in the documentation
    * [HIVE-7199] - Cannot alter table to parquet
    * [HIVE-7200] - Beeline output displays column heading even if --showHeader=false is set
    * [HIVE-7201] - Fix TestHiveConf#testConfProperties test case
    * [HIVE-7202] - DbTxnManager deadlocks in hcatalog.cli.TestSematicAnalysis.testAlterTblFFpart()
    * [HIVE-7209] - allow metastore authorization api calls to be restricted to certain invokers
    * [HIVE-7210] - NPE with "No plan file found" when running Driver instances on multiple threads
    * [HIVE-7213] - COUNT(*) returns out-dated count value after TRUNCATE
    * [HIVE-7220] - Empty dir in external table causes issue (root_dir_external_table.q failure)
    * [HIVE-7225] - Unclosed Statement's in TxnHandler
    * [HIVE-7226] - Windowing Streaming mode causes NPE for empty partitions
    * [HIVE-7228] - StreamPrinter should be joined to calling thread 
    * [HIVE-7229] - String is compared using equal in HiveMetaStore#HMSHandler#init()
    * [HIVE-7232] - VectorReduceSink is emitting incorrect JOIN keys
    * [HIVE-7234] - Select on decimal column throws NPE
    * [HIVE-7235] - TABLESAMPLE on join table is regarded as alias
    * [HIVE-7236] - Tez progress monitor should indicate running/failed tasks
    * [HIVE-7237] - hive.exec.parallel=true w/ Hive 0.13/Tez causes application to linger forever
    * [HIVE-7241] - Wrong lock acquired for alter table rename partition
    * [HIVE-7242] - alter table drop partition is acquiring the wrong type of lock
    * [HIVE-7245] - Fix parquet_columnar
    * [HIVE-7246] - Hive transaction manager hardwires bonecp as the JDBC pooling implementation
    * [HIVE-7247] - Fix itests using hadoop-1 profile 
    * [HIVE-7249] - HiveTxnManager.closeTxnManger() throws if called after commitTxn()
    * [HIVE-7251] - Fix StorageDescriptor usage in unit tests 
    * [HIVE-7257] - UDF format_number() does not work on FLOAT types
    * [HIVE-7263] - Missing fixes from review of parquet-timestamp
    * [HIVE-7265] - BINARY columns use BytesWritable::getBytes() without ::getLength()
    * [HIVE-7268] - On Windows Hive jobs in Webhcat always run on default MR mode
    * [HIVE-7271] - Speed up unit tests
    * [HIVE-7274] - Update PTest2 to JClouds 1.7.3
    * [HIVE-7279] - UDF format_number() does not work on DECIMAL types
    * [HIVE-7281] - DbTxnManager acquiring wrong level of lock for dynamic partitioning
    * [HIVE-7282] - HCatLoader fail to load Orc map with null key
    * [HIVE-7287] - hive --rcfilecat command is broken on Windows
    * [HIVE-7294] - sql std auth - authorize show grant statements
    * [HIVE-7298] - desc database extended does not show properties of the database
    * [HIVE-7302] - Allow Auto-reducer parallelism to be turned off by a logical optimizer
    * [HIVE-7303] - IllegalMonitorStateException when stmtHandle is null in HiveStatement
    * [HIVE-7304] - Transitive Predicate Propagation doesn't happen properly after HIVE-7159
    * [HIVE-7314] - Wrong results of UDF when hive.cache.expr.evaluation is set
    * [HIVE-7317] - authorization_explain.q fails when run in sequence
    * [HIVE-7323] - Date type stats in ORC sometimes go stale
    * [HIVE-7325] - Support non-constant expressions for ARRAY/MAP type indices.
    * [HIVE-7326] - Hive complains invalid column reference with 'having' aggregate predicates
    * [HIVE-7339] - hive --orcfiledump command is not supported on Windows
    * [HIVE-7342] - support hiveserver2,metastore specific config files
    * [HIVE-7344] - Add streaming support in Windowing mode for FirstVal, LastVal
    * [HIVE-7345] - Beeline changes its prompt to reflect successful database connection even after failing to connect
    * [HIVE-7346] - Wrong results caused by hive ppd under specific join condition
    * [HIVE-7352] - Queries without tables fail under Tez
    * [HIVE-7353] - HiveServer2 using embedded MetaStore leaks JDOPersistanceManager
    * [HIVE-7354] - windows:Need to set hbase jars in hadoop classpath explicitly
    * [HIVE-7356] - Table level stats collection fail for partitioned tables
    * [HIVE-7359] - Stats based compute query replies fail to do simple column transforms
    * [HIVE-7363] - VectorExpressionWriterDecimal is missing null check in setValue()
    * [HIVE-7366] - getDatabase using direct sql
    * [HIVE-7373] - Hive should not remove trailing zeros for decimal numbers
    * [HIVE-7374] - SHOW COMPACTIONS fail with remote metastore when there are no compations
    * [HIVE-7376] - add minimizeJar to jdbc/pom.xml
    * [HIVE-7385] - Optimize for empty relation scans
    * [HIVE-7389] - Reduce number of metastore calls in MoveTask (when loading dynamic partitions)
    * [HIVE-7393] - Tez jobs sometimes fail with NPE processing input splits
    * [HIVE-7394] - ORC writer logging fails when the padding is < 0.01
    * [HIVE-7396] - BucketingSortingReduceSinkOptimizer throws NullPointException during ETL
    * [HIVE-7397] - Set the default threshold for fetch task conversion to 1Gb
    * [HIVE-7399] - Timestamp type is not copied by ObjectInspectorUtils.copyToStandardObject
    * [HIVE-7409] - Add workaround for a deadlock issue of Class.getAnnotation() 
    * [HIVE-7412] - column stats collection throws exception if all values for a column is null
    * [HIVE-7414] - Update golden file for MiniTez temp_table.q
    * [HIVE-7415] - Test TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx failing
    * [HIVE-7417] - select count(1) from ... where true; fails in optimizer
    * [HIVE-7419] - Missing break in SemanticAnalyzer#getTableDescFromSerDe()
    * [HIVE-7421] - Make VectorUDFDateString use the same date parsing and formatting as GenericUDFDate
    * [HIVE-7422] - Array out of bounds exception involving ql.exec.vector.expressions.aggregates.gen.VectorUDAFAvgDouble
    * [HIVE-7423] - produce hive-exec-core.jar from ql module
    * [HIVE-7424] - HiveException: Error evaluating concat(concat('      ', str2), '      ') in ql.exec.vector.VectorSelectOperator.processOp
    * [HIVE-7426] - ClassCastException: ...IntWritable cannot be cast to ...Text involving ql.udf.generic.GenericUDFBasePad.evaluate
    * [HIVE-7429] - Set replication for archive called before file exists
    * [HIVE-7433] - ColumnMappins.ColumnMapping should expose public accessors for its fields
    * [HIVE-7441] - Custom partition scheme gets rewritten with hive scheme upon concatenate
    * [HIVE-7450] - Database should inherit perms of warehouse dir
    * [HIVE-7451] - pass function name in create/drop function to authorization api
    * [HIVE-7452] - Boolean comparison is done through reference equality rather than using equals
    * [HIVE-7459] - Fix NPE when an empty file is included in a Hive query that uses CombineHiveInputFormat
    * [HIVE-7470] - Wrong Thrift declaration for {{ShowCompactResponseElement}}
    * [HIVE-7472] - CLONE - Import fails for tables created with default text, sequence and orc file formats using HCatalog API
    * [HIVE-7473] - Null values in DECIMAL columns cause serialization issues with HCatalog
    * [HIVE-7475] - Beeline requires newline at the end of each query in a file
    * [HIVE-7481] - The planning side changes for SMB join on hive-tez
    * [HIVE-7482] - The execution side changes for SMB join in hive-tez
    * [HIVE-7486] - Delete jar should close current classloader
    * [HIVE-7488] - pass column names being used for inputs to authorization api
    * [HIVE-7490] - Revert ORC stripe size
    * [HIVE-7494] - ORC returns empty rows for constant folded date queries
    * [HIVE-7508] - Kerberos support for streaming
    * [HIVE-7514] - Vectorization does not handle constant expression whose value is NULL
    * [HIVE-7521] - Reference equality is used on Boolean in NullScanOptimizer#WhereFalseProcessor#process()
    * [HIVE-7522] - Update .q.out for cluster_tasklog_retrieval.q test
    * [HIVE-7529] - load data query fails on hdfs federation + viewfs
    * [HIVE-7531] - auxpath parameter does not handle paths relative to current working directory. 
    * [HIVE-7533] - sql std auth - set authorization privileges for tables when created from hive cli
    * [HIVE-7538] - Fix eclipse:eclipse after HIVE-7496
    * [HIVE-7539] - streaming windowing UDAF seems to be broken without Partition Spec
    * [HIVE-7553] - avoid the scheduling maintenance window for every jar change
    * [HIVE-7557] - When reduce is vectorized, dynpart_sort_opt_vectorization.q under Tez fails
    * [HIVE-7558] - HCatLoader reuses credentials across jobs
    * [HIVE-7563] - ClassLoader should be released from LogFactory
    * [HIVE-7574] - CommonJoinOperator.checkAndGenObject calls LOG.Trace per row from probe side in a HashMap join consuming 4% of the CPU
    * [HIVE-7576] - Add PartitionSpec support in HCatClient API
    * [HIVE-7579] - error message for 'drop admin role' in sql std auth mode is not informative
    * [HIVE-7583] - Use FileSystem.access() if available to check file access for user
    * [HIVE-7592] - List Jars or Files are not supported by Beeline
    * [HIVE-7595] - isKerberosMode() does a case sensitive comparison
    * [HIVE-7599] - NPE in MergeTask#main() when -format is absent
    * [HIVE-7600] - ConstantPropagateProcFactory uses reference equality on Boolean
    * [HIVE-7618] - TestDDLWithRemoteMetastoreSecondNamenode unit test failure
    * [HIVE-7620] - Hive metastore fails to start in secure mode due to "java.lang.NoSuchFieldError: SASL_PROPS" error
    * [HIVE-7623] - hive partition rename fails if filesystem cache is disabled
    * [HIVE-7629] - Problem in SMB Joins between two Parquet tables
    * [HIVE-7634] - Use Configuration.getPassword() if available to eliminate passwords from hive-site.xml
    * [HIVE-7635] - Query having same aggregate functions but different case throws IndexOutOfBoundsException
    * [HIVE-7637] - Change throws clause for Hadoop23Shims.ProxyFileSystem23.access()
    * [HIVE-7638] - Disallow CREATE VIEW when created with a temporary table
    * [HIVE-7645] - Hive CompactorMR job set NUM_BUCKETS mistake
    * [HIVE-7647] - Beeline does not honor --headerInterval and --color when executing with "-e"
    * [HIVE-7648] - authorization check api should provide table for create table,drop/create index, and db for create/switch db
    * [HIVE-7649] - Support column stats with temporary tables
    * [HIVE-7658] - Hive search order for hive-site.xml when using --config option
    * [HIVE-7664] - VectorizedBatchUtil.addRowToBatchFrom is not optimized for Vectorized execution and takes 25% CPU
    * [HIVE-7666] - Join selectivity calculation should use exponential back-off for conjunction predicates 
    * [HIVE-7667] - handle cast for long in get_aggr_stats() api for metastore for mysql
    * [HIVE-7669] - parallel order by clause on a string column fails with IOException: Split points are out of order
    * [HIVE-7673] - Authorization api: missing privilege objects in create table/view
    * [HIVE-7676] - JDBC: Support more DatabaseMetaData, ResultSetMetaData methods
    * [HIVE-7678] - add more test cases for tables qualified with database/schema name
    * [HIVE-7680] - Do not throw SQLException for HiveStatement getMoreResults and setEscapeProcessing(false)
    * [HIVE-7681] - qualified tablenames usage does not work with several alter-table commands
    * [HIVE-7682] - HadoopThriftAuthBridge20S should not reset configuration unless required
    * [HIVE-7683] - Test TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx is still failing
    * [HIVE-7694] - SMB join on tables differing by number of sorted by columns with same join prefix fails
    * [HIVE-7695] - hive stats issue when insert query is appending data into table
    * [HIVE-7700] - authorization api - HivePrivilegeObject for permanent function should have database name set
    * [HIVE-7701] - Upgrading tez to 0.4.1 causes metadata only query to fail.
    * [HIVE-7704] - Create tez task for fast file merging
    * [HIVE-7710] - Rename table across database might fail
    * [HIVE-7712] - hive-exec-0.13.0.2.1.2.0-402.jar contains avro classes compiled against hadoop-v1 
    * [HIVE-7722] - TestJdbcDriver2.testDatabaseMetaData fails after HIVE-7676
    * [HIVE-7723] - Explain plan for complex query with lots of partitions is slow due to in-efficient collection used to find a matching ReadEntity
    * [HIVE-7730] - Extend ReadEntity to add accessed columns from query
    * [HIVE-7733] - Ambiguous column reference error on query
    * [HIVE-7738] - tez select sum(decimal) from union all of decimal and null throws NPE
    * [HIVE-7741] - Don't synchronize WriterImpl.addRow() when dynamic.partition is enabled
    * [HIVE-7744] - In Windowing Streaming mode Avg and Sum give incorrect results when Wdw size is same as partition size
    * [HIVE-7753] - Same operand appears on both sides of > in DataType#compareByteArray()
    * [HIVE-7759] - document hive cli authorization behavior when SQL std auth is enabled
    * [HIVE-7760] - Constants in VirtualColumn should be final
    * [HIVE-7764] - Support all JDBC-HiveServer2 authentication modes on a secure cluster
    * [HIVE-7769] - add --SORT_BEFORE_DIFF to union all .q tests
    * [HIVE-7770] - Undo backward-incompatible behaviour change introduced by HIVE-7341
    * [HIVE-7771] - ORC PPD fails for some decimal predicates
    * [HIVE-7774] - Issues with location path for temporary external tables
    * [HIVE-7777] - Add CSV Serde based on OpenCSV
    * [HIVE-7784] - Created the needed indexes on Hive.PART_COL_STATS for CBO 
    * [HIVE-7786] - add --SORT_BEFORE_DIFF to union all tez .q.out files
    * [HIVE-7787] - Reading Parquet file with enum in Thrift Encoding throws NoSuchFieldError
    * [HIVE-7800] - Parquet Column Index Access Schema Size Checking
    * [HIVE-7807] - Refer to umask property using FsPermission.UMASK_LABEL.
    * [HIVE-7812] - Disable CombineHiveInputFormat when ACID format is used
    * [HIVE-7813] - Hive join key not null shouldn't be generated for partition column
    * [HIVE-7823] - HIVE-6185 removed Partition.getPartition
    * [HIVE-7824] - CLIServer.getOperationStatus eats ExceutionException
    * [HIVE-7828] - TestCLIDriver.parquet_join.q is failing on trunk
    * [HIVE-7829] - Entity.getLocation can throw an NPE
    * [HIVE-7834] - Use min, max and NDV from the stats to better estimate many to many vs one to many inner joins
    * [HIVE-7840] - Generated hive-default.xml.template mistakenly refers to property "name"s as "key"s
    * [HIVE-7841] - Case, When, Lead, Lag UDF is missing annotation
    * [HIVE-7846] - authorization api should support group, not assume case insensitive role names
    * [HIVE-7847] - query orc partitioned table fail when table column type change
    * [HIVE-7851] - Fix NPE in split generation on Tez 0.5
    * [HIVE-7857] - Hive query fails after Tez session times out
    * [HIVE-7859] - Tune zlib compression in ORC to account for the encoding strategy
    * [HIVE-7863] - Potential null reference in TxnDbUtil#prepareDb()
    * [HIVE-7865] - Extend TestFileDump test case to printout ORC row index information
    * [HIVE-7878] - add -- SORT_BEFORE_DIFF to optimize_nullscan.q test
    * [HIVE-7883] - DBTxnManager trying to close already closed metastore client connection
    * [HIVE-7887] - VectorFileSinkOp does not publish the stats correctly
    * [HIVE-7889] - Query fails with char partition column
    * [HIVE-7890] - SessionState creates HMS Client while not impersonating
    * [HIVE-7891] - Table-creation fails through HCatClient for Oracle-based metastore.
    * [HIVE-7892] - Thrift Set type not working with Hive
    * [HIVE-7895] - Storage based authorization should consider sticky bit for drop actions
    * [HIVE-7897] - ObjectStore not using getPassword() for JDO connection string
    * [HIVE-7899] - txnMgr should be session specific
    * [HIVE-7901] - CLONE - pig -useHCatalog with embedded metastore fails to pass command line args to metastore (org.apache.hive.hcatalog version)
    * [HIVE-7902] - Cleanup hbase-handler/pom.xml dependency list
    * [HIVE-7911] - Guaranteed ClassCastException in AccumuloRangeGenerator
    * [HIVE-7913] - Simplify filter predicates for CBO
    * [HIVE-7914] - Simplify join predicates for CBO to avoid cross products
    * [HIVE-7915] - Expose High and Low value in plan.ColStatistics
    * [HIVE-7919] - sql std auth: user with 'admin option' for role should be able to list all users in the role
    * [HIVE-7927] - Checking sticky bit needs shim
    * [HIVE-7936] - Support for handling Thrift Union types 
    * [HIVE-7943] - hive.security.authorization.createtable.owner.grants is ineffective with Default Authorization
    * [HIVE-7944] - current update stats for columns of a partition of a table is not correct
    * [HIVE-7946] - CBO: Merge CBO changes to Trunk
    * [HIVE-7949] - Create table LIKE command doesn't set new owner
    * [HIVE-7950] - StorageHandler resources aren't added to Tez Session if already Session is already Open
    * [HIVE-7957] - Revisit event version handling in dynamic partition pruning on Tez
    * [HIVE-7971] - Support alter table change/replace/add columns for existing partitions
    * [HIVE-7972] - hiveserver2 specific configuration file is not getting used
    * [HIVE-7976] - Merge tez branch into trunk (tez 0.5.0)
    * [HIVE-7982] - Regression in explain with CBO enabled due to issuing query per K,V for the stats
    * [HIVE-7984] - AccumuloOutputFormat Configuration items from StorageHandler not re-set in Configuration in Tez
    * [HIVE-7985] - With CBO enabled cross product is generated when a subquery is present
    * [HIVE-7987] - Storage based authorization  - NPE for drop view
    * [HIVE-7993] - With CBO enabled Q75 fails with RuntimeException: cannot find field _col69 from [0:_col18,...]
    * [HIVE-8002] - Deprecate the use of JDBC client only parameters from the map used to transfer HiveConf configs to the server.
    * [HIVE-8008] - NPE while reading null decimal value
    * [HIVE-8012] - TestHiveServer2Concurrency is not implemented
    * [HIVE-8018] - Fix typo in config var name for dynamic partition pruning
    * [HIVE-8019] - Missing hive 0.13.1 commit in trunk : export/import statement authorization - CVE-2014-0228
    * [HIVE-8022] - Recursive root scratch directory creation is not using hdfs umask properly 
    * [HIVE-8023] - Code in HIVE-6380 eats exceptions
    * [HIVE-8031] - CBO needs to scale down NDV with selectivity to avoid underestimating 
    * [HIVE-8034] - Don't add colon when no port is specified
    * [HIVE-8041] - Hadoop-2 build is broken with JDK6
    * [HIVE-8044] - Container size and hash table size should be taken into account before deciding to do a MapJoin
    * [HIVE-8045] - SQL standard auth with cli - Errors and configuration issues
    * [HIVE-8047] - Lazy char/varchar are not using escape char defined in serde params
    * [HIVE-8051] - Some union queries fail with dynamic partition pruning on tez
    * [HIVE-8052] - Vectorization: min() on TimeStamp datatype fails with error "Vector aggregate not implemented: min for type: TIMESTAMP"
    * [HIVE-8056] - SessionState.dropSessionPaths should use FileSystem.getLocal(conf) to delete local files
    * [HIVE-8062] - Stats collection for columns fails on a partitioned table with null values in partitioning column
    * [HIVE-8071] - hive shell tries to write hive-exec.jar for each run
    * [HIVE-8078] - ORC Delta encoding corrupts data when delta overflows long
    * [HIVE-8081] - "drop index if exists" fails if table specified does not exist
    * [HIVE-8082] - generateErrorMessage doesn't handle null ast properly
    * [HIVE-8083] - Authorization DDLs should not enforce hive identifier syntax for user or group
    * [HIVE-8085] - stats optimizer should not use Description annotation to figure out function mapping (because FunctionRegistry doesn't)
    * [HIVE-8090] - Potential null pointer reference in WriterImpl#StreamFactory#createStream()
    * [HIVE-8092] - Vectorized Tez count(*) returns NULL instead of 0 when result is empty
    * [HIVE-8095] - Tez and Vectorized GROUP BY: ClassCastException: ...HiveDecimal cannot be cast to ...HiveDecimalWritable
    * [HIVE-8099] - IN operator for partition column fails when the partition column type is DATE
    * [HIVE-8101] - Hive on spark Issue during compiling hive source
    * [HIVE-8102] - Partitions of type 'date' behave incorrectly with daylight saving time.
    * [HIVE-8103] - Read ACID tables with FetchOperator returns no rows
    * [HIVE-8104] - Insert statements against ACID tables NPE when vectorization is on
    * [HIVE-8105] - booleans and nulls not handled properly in insert/values
    * [HIVE-8107] - Bad error message for non-existent table in update and delete
    * [HIVE-8112] - Change reporting string to reflect update in Tez
    * [HIVE-8114] - Type resolution for udf arguments of Decimal Type results in error
    * [HIVE-8115] - Hive select query hang when fields contain map
    * [HIVE-8126] - Standalone hive-jdbc jar is not packaged in the Hive distribution
    * [HIVE-8138] - Global Init file should allow specifying file name  not only directory
    * [HIVE-8139] - Upgrade commons-lang from 2.4 to 2.6
    * [HIVE-8142] - Add merge operators to queryplan.thrift instead of generated source file
    * [HIVE-8143] - Create root scratch dir with 733 instead of 777 perms
    * [HIVE-8146] - Test TestTempletonUtils.testFindContainingJar failing
    * [HIVE-8148] - HDFS Path named with file:// instead of file:/// results in Unit test failures in Windows
    * [HIVE-8149] - hive.optimize.reducededuplication should be set to false for IUD ops
    * [HIVE-8151] - Dynamic partition sort optimization inserts record wrongly to partition when used with GroupBy
    * [HIVE-8152] - Update with expression in set fails
    * [HIVE-8153] - Reduce the verbosity of debug logs in ORC record reader
    * [HIVE-8154] - HadoopThriftAuthBridge20S.getHadoopSaslProperties is incompatible with Hadoop 2.4.1 and later
    * [HIVE-8156] - Vectorized reducers need to avoid memory build-up during a single key
    * [HIVE-8158] - Optimize writeValue/setValue in VectorExpressionWriterFactory (in VectorReduceSinkOperator codepath)
    * [HIVE-8162] - Dynamic sort optimization propagates additional columns even in the absence of order by
    * [HIVE-8167] - mvn install command broken by HIVE-8126 commit
    * [HIVE-8169] - Windows: alter table ..set location from hcatalog failed with NullPointerException
    * [HIVE-8170] - Hive Metastore schema script missing for mssql for v0.14.0
    * [HIVE-8171] - Tez and Vectorized Reduce doesn't create scratch columns
    * [HIVE-8175] - Hive metastore upgrade from v0.13.0 to v0.14.0 script for Oracle is missing an upgrade step
    * [HIVE-8178] - OrcNewInputFormat::getSplits() calls OrcInputFormat.generateSplitsInfo twice
    * [HIVE-8179] - Fetch task conversion: Remove some dependencies on AST
    * [HIVE-8184] -  inconsistence between colList and columnExprMap when ConstantPropagate is applied to subquery
    * [HIVE-8185] - hive-jdbc-0.14.0-SNAPSHOT-standalone.jar fails verification for signatures in build
    * [HIVE-8188] - ExprNodeGenericFuncEvaluator::_evaluate() loads class annotations in a tight loop
    * [HIVE-8189] - A select statement with a subquery is failing with HBaseSerde
    * [HIVE-8191] - Update and delete on tables with non Acid output formats gives runtime error
    * [HIVE-8196] - Joining on partition columns with fetch column stats enabled results it very small CE which negatively affects query performance 
    * [HIVE-8200] - Make beeline use the hive-jdbc standalone jar
    * [HIVE-8201] - Remove hardwiring to HiveInputFormat in acid qfile tests
    * [HIVE-8203] - ACID operations result in NPE when run through HS2
    * [HIVE-8205] - Using strings in group type fails in ParquetSerDe
    * [HIVE-8210] - TezJobMonitor should print time spent in Application (RUNNING)
    * [HIVE-8212] - Regression for hcat commandline alter view set tblproperties
    * [HIVE-8217] - WebHCat 'jobs' endpoint fails if it runs into issues with any of the jobs
    * [HIVE-8221] - authorize additional metadata read operations in metastore storage based authorization 
    * [HIVE-8225] - CBO trunk merge: union11 test fails due to incorrect plan
    * [HIVE-8226] - Vectorize dynamic partitioning in VectorFileSinkOperator
    * [HIVE-8227] - NPE w/ hive on tez when doing unions on empty tables
    * [HIVE-8229] - Add multithreaded tests for the Hive Writable data types
    * [HIVE-8231] - Error when insert into empty table with ACID
    * [HIVE-8235] - Insert into partitioned bucketed sorted tables fails with "this file is already being created by"
    * [HIVE-8236] - VectorHashKeyWrapper allocates too many zero sized arrays
    * [HIVE-8239] - MSSQL upgrade schema scripts does not map Java long datatype columns correctly for transaction related tables
    * [HIVE-8240] - VectorColumnAssignFactory throws "Incompatible Bytes vector column and primitive category VARCHAR"
    * [HIVE-8241] - With vectorization enabled count(distinct)) fails with ClassCastException
    * [HIVE-8246] - HiveServer2 in http-kerberos mode is restrictive on client usernames
    * [HIVE-8248] - TestHCatLoader.testReadDataPrimitiveTypes() occasionally fails
    * [HIVE-8250] - Truncating table doesnt invalidate stats
    * [HIVE-8257] - Accumulo introduces old hadoop-client dependency
    * [HIVE-8258] - Compactor cleaners can be starved on a busy table or partition.
    * [HIVE-8260] - CBO : Query query has date_dim d1,date_dim d2 and date_dim d3 but the explain has d1, d1 and d1 
    * [HIVE-8261] - CBO : Predicate pushdown is removed by Optiq 
    * [HIVE-8263] - CBO : TPC-DS Q64 is item is joined last with store_sales while it should be first as it is the most selective
    * [HIVE-8269] - Revert HIVE-8200 (Make beeline use the hive-jdbc standalone jar)
    * [HIVE-8270] - JDBC uber jar is missing some classes required in secure setup.
    * [HIVE-8271] - Jackson incompatibility between hadoop-2.4 and hive-14
    * [HIVE-8272] - Query with particular decimal expression causes NPE during execution initialization
    * [HIVE-8273] - Beeline doesn't print applicationID for submitted DAG
    * [HIVE-8277] - IP address string in HS2, metastore have a "/" prefix
    * [HIVE-8279] - sql std auth - additional test cases
    * [HIVE-8280] - CBO : When filter is applied on dimension table PK/FK code path is not in effect.
    * [HIVE-8281] - NPE with dynamic partition pruning on Tez
    * [HIVE-8283] - Missing break in FilterSelectivityEstimator#visitCall()
    * [HIVE-8284] - Equality comparison is done between two floating point variables in HiveRelMdUniqueKeys#getUniqueKeys()
    * [HIVE-8287] - Metadata action errors don't have information about cause
    * [HIVE-8290] - With DbTxnManager configured, all ORC tables forced to be transactional
    * [HIVE-8291] - ACID : Reading from partitioned bucketed tables has high overhead, 50% of time is spent in OrcInputFormat.getReader
    * [HIVE-8292] - Reading from partitioned bucketed tables has high overhead in MapOperator.cleanUpInputFileChangedOp
    * [HIVE-8296] - Tez ReduceShuffle Vectorization needs 2 data buffers (key and value) for adding rows
    * [HIVE-8298] - Incorrect results for n-way join when join expressions are not in same order across joins
    * [HIVE-8299] - HiveServer2 in http-kerberos & doAs=true is failing with org.apache.hadoop.security.AccessControlException
    * [HIVE-8304] - Tez Reduce-Side GROUP BY Vectorization doesn't copy NULL keys correctly
    * [HIVE-8306] - Map join sizing done by auto.convert.join.noconditionaltask.size doesn't take into account Hash table overhead and results in OOM
    * [HIVE-8310] - RetryingHMSHandler is not used when kerberos auth enabled
    * [HIVE-8311] - Driver is encoding transaction information too late
    * [HIVE-8313] - Optimize evaluation for ExprNodeConstantEvaluator and ExprNodeNullEvaluator
    * [HIVE-8314] - Restore thrift string interning of HIVE-7975
    * [HIVE-8315] - CBO : Negate condition underestimates selectivity which results in an in-efficient plan
    * [HIVE-8316] - CBO : cardinality estimation for filters is much lower than actual row count
    * [HIVE-8318] - Null Scan optimizer throws exception when no partitions are selected
    * [HIVE-8321] - Fix serialization of TypeInfo for qualified types
    * [HIVE-8322] - VectorReduceSinkOperator: ClassCastException: ~StandardUnionObjectInspector$StandardUnion cannot be cast to ~IntWritable
    * [HIVE-8324] - Shim KerberosName (causes build failure on hadoop-1)
    * [HIVE-8328] - MapJoin implementation in Tez should not reload hashtables 
    * [HIVE-8332] - Reading an ACID table with vectorization on results in NPE
    * [HIVE-8335] - TestHCatLoader/TestHCatStorer failures on pre-commit tests
    * [HIVE-8336] - Update pom, now that Optiq is renamed to Calcite
    * [HIVE-8340] - HiveServer2 service doesn't stop backend jvm process, which prevents follow-up service start.
    * [HIVE-8341] - Transaction information in config file can grow excessively large
    * [HIVE-8344] - Hive on Tez sets mapreduce.framework.name to yarn-tez
    * [HIVE-8348] - Fix Hive to match changes introduced by TEZ-1510
    * [HIVE-8349] - DISTRIBUTE BY should work with tez auto-parallelism enabled
    * [HIVE-8354] - HIVE-7156 introduced required dependency on tez
    * [HIVE-8361] - NPE in PTFOperator when there are empty partitions
    * [HIVE-8363] - AccumuloStorageHandler compile failure hadoop-1
    * [HIVE-8364] - We're not waiting for all inputs in MapRecordProcessor on Tez
    * [HIVE-8366] - CBO fails if there is a table sample in subquery
    * [HIVE-8367] - delete writes records in wrong order in some cases
    * [HIVE-8368] - compactor is improperly writing delete records in base file
    * [HIVE-8372] - Potential NPE in Tez MergeFileRecordProcessor
    * [HIVE-8378] - NPE in TezTask due to null counters
    * [HIVE-8380] - NanoTime class serializes and deserializes Timestamp incorrectly
    * [HIVE-8386] - HCAT api call is case sensitive on fields in struct column
    * [HIVE-8387] - add retry logic to ZooKeeperStorage in WebHCat
    * [HIVE-8389] - Fix CBO when indexes are used
    * [HIVE-8390] - CBO produces annoying exception message and wraps exceptions too much
    * [HIVE-8391] - Comparion between TIMESTAMP and Integer types goes to STRING as "common comparison denominator" instead of a numeric type
    * [HIVE-8392] - HiveServer2 Operation.close fails on windows
    * [HIVE-8393] - Handle SIGINT on Tez
    * [HIVE-8394] - HIVE-7803 doesn't handle Pig MultiQuery, can cause data-loss.
    * [HIVE-8399] - Build failure on trunk & 14 branch
    * [HIVE-8400] - Fix building and packaging hwi war file
    * [HIVE-8401] - OrcFileMergeOperator only close last orc file it opened, which resulted in stale data in table directory
    * [HIVE-8402] - Orc pushing SARGs into delta files causing ArrayOutOfBoundsExceptions
    * [HIVE-8403] - Build broken by datanucleus.org being offline
    * [HIVE-8404] - ColumnPruner doesnt prune columns from limit operator
    * [HIVE-8407] - [CBO] Handle filters with non-boolean return type
    * [HIVE-8408] - hcat cli throws NPE when authorizer using new api is enabled
    * [HIVE-8409] - SMB joins fail intermittently on tez
    * [HIVE-8411] - Support partial partition spec for certain ALTER PARTITION statements
    * [HIVE-8413] - [CBO] Handle ill-formed queries which have distinct, having in incorrect context 
    * [HIVE-8415] - Vectorized comparison of timestamp and integer needs to treat integer as seconds since epoch
    * [HIVE-8417] - round(decimal, negative) errors out/wrong results with reduce side vectorization
    * [HIVE-8421] - [CBO] Use OptiqSemanticException in error conditions
    * [HIVE-8427] - Hive Streaming :  secure streaming hangs leading to time outs.
    * [HIVE-8429] - Add records in/out counters
    * [HIVE-8433] - CBO loses a column during AST conversion
    * [HIVE-8434] - Vectorization logic using wrong values for DATE and TIMESTAMP partitioning columns in vectorized row batches...
    * [HIVE-8442] - Revert HIVE-8403
    * [HIVE-8444] - update pom to junit 4.11
    * [HIVE-8445] - TestColumnAccess, TestReadEntityDirect use same table names
    * [HIVE-8452] - Cleanup handling of resource configuration for tez
    * [HIVE-8460] - ORC SARG literal creation for double from float may lead to wrong evaluation of SARG
    * [HIVE-8461] - Make Vectorized Decimal query results match Non-Vectorized query results with respect to trailing zeroes... .0000
    * [HIVE-8462] - CBO duplicates columns
    * [HIVE-8464] - Vectorized reducer nested group by query returns wrong results
    * [HIVE-8474] - Vectorized reads of transactional tables fail when not all columns are selected
    * [HIVE-8475] - add test case for use of index from not-current database
    * [HIVE-8476] - JavaDoc updates to HiveEndPoint.newConnection() for secure streaming with Kerberos
    * [HIVE-8478] - Vectorized Reduce-Side Group By doesn't handle Decimal type correctly
    * [HIVE-8479] - Tez sessions cannot change queues once assigned to one within a CLI session
    * [HIVE-8484] - HCatalog throws an exception if Pig job is of type 'fetch'
    * [HIVE-8489] - Add sanity check to dynamic partition pruning
    * [HIVE-8495] - Add progress bar for Hive on Tez queries
    * [HIVE-8497] - StatsNoJobTask doesn't close RecordReader, FSDataInputStream of which keeps open to prevent stale data clean
    * [HIVE-8498] - Insert into table misses some rows when vectorization is enabled
    * [HIVE-8510] - HIVE-8462 didn't update tez test output
    * [HIVE-8511] - fix build failure: cbo_correctness on tez
    * [HIVE-8514] - TestCliDriver.testCliDriver_index_in_db fails in trunk
    * [HIVE-8517] - When joining on partition column NDV gets overridden by StatsUtils.getColStatisticsFromExpression
    * [HIVE-8524] - When table is renamed stats are lost as changes are not propagated to metastore tables TAB_COL_STATS and PART_COL_STATS 
    * [HIVE-8526] - Hive : CBO incorrect join order in TPC-DS Q45 as self join selectivity has incorrect CE
    * [HIVE-8534] - sql std auth : update configuration whitelist for 0.14
    * [HIVE-8543] - Compactions fail on metastore using postgres
    * [HIVE-8546] - Handle "add archive scripts.tar.gz" in Tez
    * [HIVE-8547] - CBO and/or constant propagation breaks partition_varchar2 test
    * [HIVE-8550] - Hive cannot load data into partitioned table with Unicode key
    * [HIVE-8551] - NPE in FunctionRegistry (affects CBO in negative tests)
    * [HIVE-8555] - Too many casts results in loss of original string representation for constant 
    * [HIVE-8557] - automatically setup ZooKeeperTokenStore to use kerberos authentication when kerberos is enabled
    * [HIVE-8558] - CBO: enable n-way joins after CBO join reordering
    * [HIVE-8560] - SerDes that do not inherit AbstractSerDe do not get table properties during initialize()
    * [HIVE-8562] - ResultSet.isClosed sometimes doesn't work with mysql
    * [HIVE-8563] - Running annotate_stats_join_pkfk.q in TestMiniTezCliDriver is causing NPE
    * [HIVE-8566] - Vectorized queries output wrong timestamps
    * [HIVE-8567] - Vectorized queries output extra stuff for Binary columns
    * [HIVE-8575] - CBO: decimal_udf is broken by recent changes (and other tests have type changes)
    * [HIVE-8576] - Guaranteed NPE in StatsRulesProcFactory
    * [HIVE-8577] - Cannot deserialize Avro schema with a map<string,string> with null values
    * [HIVE-8579] - Guaranteed NPE in DDLSemanticAnalyzer
    * [HIVE-8586] - Record counters aren't updated correctly for vectorized queries
    * [HIVE-8587] - Vectorized Extract operator needs to update the Vectorization Context column map
    * [HIVE-8588] - sqoop REST endpoint fails to send appropriate JDBC driver to the cluster
    * [HIVE-8596] - HiveServer2 dynamic service discovery: ZK throws too many connections error
    * [HIVE-8603] - auto_sortmerge_join_5 is getting stuck on tez
    * [HIVE-8604] - Re-enable auto_sortmerge_join_5 on tez
    * [HIVE-8605] - HIVE-5799 breaks backward compatibility for time values in config
    * [HIVE-8611] - grant/revoke syntax should support additional objects for authorization plugins
    * [HIVE-8612] - Support metadata result filter hooks
    * [HIVE-8614] - Upgrade hive to use tez version 0.5.2-SNAPSHOT
    * [HIVE-8615] - beeline csv,tsv outputformat needs backward compatibility mode
    * [HIVE-8619] - CBO causes some more type problems
    * [HIVE-8620] - CBO: HIVE-8433 RowResolver check is too stringent
    * [HIVE-8624] - Record counters don't work with Tez container reuse
    * [HIVE-8625] - Some union queries result in plans with many unions with CBO on
    * [HIVE-8628] - NPE in case of shuffle join in tez
    * [HIVE-8629] - Streaming / ACID : hive cli session creation takes too long and times out if execution engine is tez
    * [HIVE-8631] - Compressed transaction list cannot be parsed in job.xml
    * [HIVE-8632] - VectorKeyHashWrapper::duplicateTo allocates too many zero sized arrays
    * [HIVE-8634] - HiveServer2 fair scheduler queue mapping doesn't handle the secondary groups rules correctly
    * [HIVE-8635] - CBO: ambiguous_col negative test no longer fails
    * [HIVE-8641] - Disable skew joins in tez.
    * [HIVE-8643] - DDL operations via WebHCat with doAs parameter in secure cluster fail
    * [HIVE-8646] - Hive class loading  failure when executing Hive action via oozie workflows
    * [HIVE-8647] - HIVE-8186 causes addition of same child operator multiple times
    * [HIVE-8660] - sql std auth: property missing from whitelist - hive.exec.dynamic.partition.mode
    * [HIVE-8663] - Fetching Vectorization scratch column map in Reduce-Side stop working
    * [HIVE-8664] - Use Apache Curator in JDBC Driver and HiveServer2 for better reliability
    * [HIVE-8665] - Fix misc unit tests on Windows
    * [HIVE-8668] - mssql sql script has carriage returns
    * [HIVE-8671] - Overflow in estimate row count and data size with fetch column stats
    * [HIVE-8675] - Increase thrift server protocol test coverage
    * [HIVE-8677] - TPC-DS Q51 : fails with "init not supported" exception in GenericUDAFStreamingEvaluator.init
    * [HIVE-8683] - User name and group name cannot be the same when grant role
    * [HIVE-8685] - DDL operations in WebHCat set proxy user to "null" in unsecure mode
    * [HIVE-8687] - Support Avro through HCatalog
    * [HIVE-8688] - serialized plan OutputStream is not being closed
    * [HIVE-8689] - handle overflows in statistics better
    * [HIVE-8697] - Vectorized round(decimal, negative)  produces wrong results
    * [HIVE-8698] - default log4j.properties not included in jar files anymore
    * [HIVE-8703] - More Windows unit test fixes
    * [HIVE-8704] - HivePassThroughOutputFormat cannot proxy more than one kind of OF (in one process)
    * [HIVE-8705] - Support using pre-authenticated subject in kerberized HiveServer2 HTTP mode 
    * [HIVE-8711] - DB deadlocks not handled in TxnHandler for Postgres, Oracle, and SQLServer
    * [HIVE-8713] - Unit test TestParquetTimestampUtils.testTimezone failing
    * [HIVE-8714] - getDatabase reports direct SQL error when database is missing
    * [HIVE-8715] - Hive 14 upgrade scripts can fail for statistics if database was created using auto-create
    * [HIVE-8720] - Update orc_merge tests to make it consistent across OS'es
    * [HIVE-8723] - Set reasonable connection timeout for CuratorFramework ZooKeeper clients in Hive
    * [HIVE-8724] - Right outer join produces incorrect result on Tez
    * [HIVE-8727] - Dag summary has incorrect row counts and duration per vertex
    * [HIVE-8732] - ORC string statistics are not merged correctly
    * [HIVE-8733] - HiveServer2 dynamic service discovery not picking correct IP address when hive.server2.thrift.bind.host is not set
    * [HIVE-8735] - statistics update can fail due to long paths
    * [HIVE-8736] - add ordering to cbo_correctness to make result consistent
    * [HIVE-8737] - setEnv is not portable, which fails TestCliDriverMethods#testprocessInitFiles on Windows
    * [HIVE-8740] - Sorted dynamic partition does not work correctly with constant folding
    * [HIVE-8745] - Joins on decimal keys return different results whether they are run as reduce join or map join
    * [HIVE-8747] - Estimate number of rows for table with 0 rows overflows resulting in an in-efficient plan 
    * [HIVE-8752] - Disjunction cardinality estimation has selectivity of 1
    * [HIVE-8754] - Sqoop job submission via WebHCat doesn't properly localize required jdbc jars in secure cluster
    * [HIVE-8759] - HiveServer2 dynamic service discovery should add hostname instead of ipaddress to ZooKeeper
    * [HIVE-8764] - Windows: HiveServer2 TCP SSL cannot recognize localhost 
    * [HIVE-8766] - Hive RetryHMSHandler should be retrying the metastore operation in case of NucleusException
    * [HIVE-8771] - Abstract merge file operator does not move/rename incompatible files correctly
    * [HIVE-8772] - zookeeper info logs are always printed from beeline with service discovery mode
    * [HIVE-8778] - ORC split elimination can cause NPE when column statistics is null
    * [HIVE-8781] - Nullsafe joins are busted on Tez
    * [HIVE-8782] - HBase handler doesn't compile with hadoop-1
    * [HIVE-8785] - HiveServer2 LogDivertAppender should be more selective for beeline getLogs
    * [HIVE-8794] - Hive on Tez leaks AMs when killed before first dag is run
    * [HIVE-8798] - Some Oracle deadlocks not being caught in TxnHandler
    * [HIVE-8799] - boatload of missing apache headers


** Improvement
    * [HIVE-538] - make hive_jdbc.jar self-containing
    * [HIVE-860] - Persistent distributed cache
    * [HIVE-2365] - SQL support for bulk load into HBase
    * [HIVE-3005] - Skip execution phase for queries that contain "LIMIT 0" clause
    * [HIVE-3006] - Skip execution of queries with always false WHERE clauses
    * [HIVE-3595] - Hive should adapt new FsShell commands since Hadoop 2 has changed FsShell argument structures
    * [HIVE-3635] -  allow 't', 'T', '1', 'f', 'F', and '0' to be allowable true/false values for the boolean hive type
    * [HIVE-3684] - Add support for filter pushdown for composite keys
    * [HIVE-3907] - Hive should support adding multiple resources at once
    * [HIVE-4867] - Deduplicate columns appearing in both the key list and value list of ReduceSinkOperator
    * [HIVE-4997] - HCatalog doesn't allow multiple input tables
    * [HIVE-5072] - [WebHCat]Enable directly invoke Sqoop job through Templeton
    * [HIVE-5160] - HS2 should support .hiverc
    * [HIVE-5298] - AvroSerde performance problem caused by HIVE-3833
    * [HIVE-5370] - format_number udf should take user specifed format as argument
    * [HIVE-5408] - Method matching needs to be improved in NumericOpMethodResolver to suport decimal type with parameters
    * [HIVE-5447] - HiveServer2 should allow secure impersonation over LDAP or other non-kerberos connection
    * [HIVE-5652] - Improve JavaDoc of UDF class
    * [HIVE-5771] - Constant propagation optimizer for Hive
    * [HIVE-5799] - session/operation timeout for hiveserver2
    * [HIVE-5821] - Evaluate the usefulness of UNKNOWN state in HiveServer2 state transitions and get rid of it if not required
    * [HIVE-5871] - Use multiple-characters as field delimiter
    * [HIVE-5961] - Add explain authorize for checking privileges
    * [HIVE-6024] - Load data local inpath unnecessarily creates a copy task
    * [HIVE-6037] - Synchronize HiveConf with hive-default.xml.template and support show conf
    * [HIVE-6089] - Add metrics to HiveServer2
    * [HIVE-6132] - Support hbase filters for Hive HBase Integration
    * [HIVE-6147] - Support avro data stored in HBase columns
    * [HIVE-6304] - Update HCatReader/Writer docs to reflect recent changes
    * [HIVE-6325] - Enable using multiple concurrent sessions in tez
    * [HIVE-6410] - Allow output serializations separators to be set for HDFS path as well.
    * [HIVE-6411] - Support more generic way of using composite key for HBaseHandler
    * [HIVE-6430] - MapJoin hash table has large memory overhead
    * [HIVE-6438] - Sort query result for test, removing order by clause 
    * [HIVE-6473] - Allow writing HFiles via HBaseStorageHandler table
    * [HIVE-6510] - Clean up math based UDFs
    * [HIVE-6561] - Beeline should accept -i option to Initializing a SQL file
    * [HIVE-6584] - Add HiveHBaseTableSnapshotInputFormat
    * [HIVE-6593] - Create a maven assembly for hive-jdbc
    * [HIVE-6657] - Add test coverage for Kerberos authentication implementation using Hadoop's miniKdc
    * [HIVE-6677] - HBaseSerDe needs to be refactored
    * [HIVE-6691] - support decimals for optimized hashmap keys in MapJoin
    * [HIVE-6694] - Beeline should provide a way to execute shell command as Hive CLI does
    * [HIVE-6799] - HiveServer2 needs to map kerberos name to local name before proxy check
    * [HIVE-6899] - Add an ability to specify the type of execution to use (async/sync execution) on JDBC client
    * [HIVE-6920] - Parquet Serde Simplification
    * [HIVE-6923] - Use slf4j For Logging Everywhere
    * [HIVE-6924] - MapJoinKeyBytes::hashCode() should use Murmur hash
    * [HIVE-6938] - Add Support for Parquet Column Rename
    * [HIVE-6973] - HiveServer2 should support a non-kerberos user authentication on a secure cluster.
    * [HIVE-6999] - Add streaming mode to PTFs
    * [HIVE-7000] - Several issues with javadoc generation
    * [HIVE-7022] - Replace BinaryWritable with BytesWritable in Parquet serde
    * [HIVE-7026] - Support newly added role related APIs for v1 authorizer
    * [HIVE-7048] - CompositeKeyHBaseFactory should not use FamilyFilter
    * [HIVE-7100] - Users of hive should be able to specify skipTrash when dropping tables.
    * [HIVE-7127] - Handover more details on exception in hiveserver2
    * [HIVE-7136] - Allow Hive to read hive scripts from any of the supported file systems in hadoop eco-system
    * [HIVE-7137] - Add progressable to writer interfaces so they could report progress while different operations are in progress
    * [HIVE-7138] - add row index dump capability to ORC file dump
    * [HIVE-7140] - Bump default hive.metastore.client.socket.timeout to 5 minutes
    * [HIVE-7142] - Hive multi serialization encoding support
    * [HIVE-7168] - Don't require to name all columns in analyze statements if stats collection is for all columns
    * [HIVE-7196] - Configure session by single open session call
    * [HIVE-7208] - move SearchArgument interface into serde package
    * [HIVE-7211] - Throws exception if the name of conf var starts with "hive." does not exists in HiveConf
    * [HIVE-7219] - Improve performance of serialization utils in ORC
    * [HIVE-7222] - Support timestamp column statistics in ORC and extend PPD for timestamp
    * [HIVE-7223] - Support generic PartitionSpecs in Metastore partition-functions
    * [HIVE-7230] - Add Eclipse formatter file for Hive coding conventions
    * [HIVE-7231] - Improve ORC padding
    * [HIVE-7243] - Print padding information in ORC file dump
    * [HIVE-7250] - Adaptive compression buffer size for wide tables in ORC
    * [HIVE-7361] - using authorization api for RESET, DFS, ADD, DELETE, COMPILE commands
    * [HIVE-7386] - PTest support non-spot instances and higher cpu masters
    * [HIVE-7432] - Remove deprecated Avro's Schema.parse usages
    * [HIVE-7445] - Improve LOGS for Hive when a query is not able to acquire locks
    * [HIVE-7495] - Print dictionary size in orc file dump
    * [HIVE-7519] - Refactor QTestUtil to remove its duplication with QFileClient for qtest setup and teardown 
    * [HIVE-7532] - allow disabling direct sql per query with external metastore
    * [HIVE-7543] - Cleanup of org.apache.hive.service.auth package
    * [HIVE-7549] - Code cleanup of Task.java and HiveInputFormat.java
    * [HIVE-7554] - Parquet Hive should resolve column names in case insensitive manner
    * [HIVE-7562] - Cleanup ExecReducer
    * [HIVE-7596] - Cleanup OperatorFactory, ReduceSinkOperator, and reportStats
    * [HIVE-7609] - Collect partition level stats by default
    * [HIVE-7615] - Beeline should have an option for user to see the query progress
    * [HIVE-7616] - pre-size mapjoin hashtable based on statistics
    * [HIVE-7689] - Fix wrong lower case table names in Postgres Metastore back end
    * [HIVE-7697] - PlanUtils.getTableDesc uses printStackTrace and returns null
    * [HIVE-7705] - there's a useless threadlocal in LBUtils that shows up in perf profiles
    * [HIVE-7736] - improve the columns stats update speed for all the partitions of a table
    * [HIVE-7737] - Hive logs full exception for table not found
    * [HIVE-7757] - PTest2 separates test files with spaces while QTestGen uses commas
    * [HIVE-7818] - Support boolean PPD for ORC
    * [HIVE-7832] - Do ORC dictionary check at a finer level and preserve encoding across stripes
    * [HIVE-7833] - Remove unwanted allocation in ORC RunLengthIntegerWriterV2 determine encoding function
    * [HIVE-7876] - further improve the columns stats update speed for all the partitions of a table
    * [HIVE-7885] - CLIServer.openSessionWithImpersonation logs as if it were openSession
    * [HIVE-7912] - Don't add is not null filter for partitioning column
    * [HIVE-7921] - Fix confusing dead assignment in return statement (JavaHiveVarcharObjectInspector)
    * [HIVE-7923] - populate stats for test tables
    * [HIVE-7925] - extend current partition status extrapolation to support all DBs
    * [HIVE-7931] - Convert all tabs to spaces [code cleanup]
    * [HIVE-7947] - Add message at the end of each testcase with timestamp in Webhcat system tests
    * [HIVE-7975] - HS2 memory optimization: Internalizing instance fields of Thrift-generated metastore API classes
    * [HIVE-8036] - PTest SSH Options
    * [HIVE-8038] - Decouple ORC files split calculation logic from Filesystem's get file location implementation
    * [HIVE-8042] - Optionally allow move tasks to run in parallel
    * [HIVE-8096] - Fix a few small nits in TestExtendedAcls
    * [HIVE-8100] - Add QTEST_LEAVE_FILES to QTestUtil
    * [HIVE-8137] - Empty ORC file handling
    * [HIVE-8245] - Collect table read entities at same time as view read entities 
    * [HIVE-8320] - Error in MetaException(message:Got exception: org.apache.thrift.transport.TTransportException java.net.SocketTimeoutException: Read timed out)
    * [HIVE-8350] - Constant folding should happen before group-by optimization
    * [HIVE-8358] - Constant folding should happen before PCR
    * [HIVE-8385] - UNION Operator in Hive
    * [HIVE-8428] - PCR doesnt remove filters involving casts
    * [HIVE-8490] - Constant folding should happen before partition pruning
    * [HIVE-8492] - Enhance Constant Folding to propagate constants for simple expressions 
    * [HIVE-8501] - Fix CBO to use indexes when GenericUDFBridge is applied 
    * [HIVE-8585] - Constant folding should happen before ppd
    * [HIVE-8597] - SMB join small table side should use the same set of serialized payloads across tasks
    * [HIVE-8598] - Push constant filters through joins
    * [HIVE-8748] - jdbc uber jar is missing commons-logging
    * [HIVE-8779] - Tez in-place progress UI can show wrong estimated time for sub-second queries

** New Feature
    * [HIVE-5317] - Implement insert, update, and delete in Hive with full ACID support
    * [HIVE-5823] - Support for DECIMAL primitive type in AvroSerDe
    * [HIVE-5908] - Use map-join hint to cache intermediate result
    * [HIVE-6100] - Introduce basic set operations as UDFs
    * [HIVE-6455] - Scalable dynamic partitioning and bucketing optimization
    * [HIVE-6469] - skipTrash option in hive command line
    * [HIVE-6806] - CREATE TABLE should support STORED AS AVRO
    * [HIVE-7036] - get_json_object bug when extract list of list with index
    * [HIVE-7054] - Support ELT UDF in vectorized mode
    * [HIVE-7068] - Integrate AccumuloStorageHandler
    * [HIVE-7090] - Support session-level temporary tables in Hive
    * [HIVE-7122] - Storage format for create like table
    * [HIVE-7158] - Use Tez auto-parallelism in Hive
    * [HIVE-7203] - Optimize limit 0
    * [HIVE-7233] - File hive-hwi-0.13.1 not found on lib folder
    * [HIVE-7255] - Allow partial partition spec in analyze command
    * [HIVE-7299] - Enable metadata only optimization on Tez
    * [HIVE-7341] - Support for Table replication across HCatalog instances
    * [HIVE-7390] - Make quote character optional and configurable in BeeLine CSV/TSV output
    * [HIVE-7416] - provide context information to authorization checkPrivileges api call
    * [HIVE-7430] - Implement SMB join in tez
    * [HIVE-7446] - Add support to ALTER TABLE .. ADD COLUMN to Avro backed tables
    * [HIVE-7506] - MetadataUpdater: provide a mechanism to edit the statistics of a column in a table (or a partition of a table)
    * [HIVE-7509] - Fast stripe level merging for ORC
    * [HIVE-7547] - Add ipAddress and userName to ExecHook
    * [HIVE-7587] - Fetch aggregated stats from MetaStore
    * [HIVE-7604] - Add Metastore API to fetch one or more partition names
    * [HIVE-7654] - A method to extrapolate columnStats for partitions of a table
    * [HIVE-7826] - Dynamic partition pruning on Tez
    * [HIVE-8267] - Exposing hbase cell latest timestamp through hbase columns mappings to hive columns.
    * [HIVE-8376] - Umbrella Jira for HiveServer2 dynamic service discovery
    * [HIVE-8531] - Fold is not null filter if there are other comparison filter present on same column
    * [HIVE-8690] - Move Avro dependency to 1.7.7


** Task
    * [HIVE-2974] - Add online docs for from_utc_timestamp() and to_utc_timestamp()
    * [HIVE-5342] - Remove pre hadoop-0.20.0 related codes
    * [HIVE-5976] - Decouple input formats from STORED as keywords
    * [HIVE-6338] - Improve exception handling in createDefaultDb() in Metastore
    * [HIVE-6432] - Remove deprecated methods in HCatalog
    * [HIVE-6543] - TestEmbeddedThriftBinaryCLIService.testExecuteStatementAsync is failing sometimes
    * [HIVE-6836] - Upgrade parquet to 1.4.0
    * [HIVE-6869] - Golden file updates for tez tests.
    * [HIVE-6903] - Change default value of hive.metastore.execute.setugi to true
    * [HIVE-6988] - Hive changes for tez-0.5.x compatibility
    * [HIVE-7008] - Clean-up some old dead code
    * [HIVE-7034] - Explain result of TezWork is not deterministic
    * [HIVE-7095] - Fix test fails for both hadoop-1 and hadoop-2
    * [HIVE-7108] - Cleanup HBaseStorageHandler
    * [HIVE-7126] - Cleanup build warnings while building hive projects
    * [HIVE-7194] - authorization_ctas.q failing on trunk
    * [HIVE-7206] - Duplicate declaration of build-helper-maven-plugin in root pom
    * [HIVE-7240] - Add classifier for avro-mapred jar
    * [HIVE-7289] - revert HIVE-6469
    * [HIVE-7301] - Restore constants moved to HiveConf by HIVE-7211
    * [HIVE-7364] - Trunk cannot be built on -Phadoop1 after HIVE-7144
    * [HIVE-7365] - Explain authorize for auth2 throws exception
    * [HIVE-7381] - Class TezEdgeProperty missing license header
    * [HIVE-7456] - HIVE-7361 missed updating authorization_fail_8
    * [HIVE-7496] - Exclude conf/hive-default.xml.template in version control and include it dist profile
    * [HIVE-7497] - Fix some default values in HiveConf
    * [HIVE-7498] - NPE on show grant for global privilege
    * [HIVE-7524] - Enable auto conversion of SMBjoin in presence of constant propagate optimization
    * [HIVE-7789] - Documentation for AccumuloStorageHandler
    * [HIVE-7960] - Upgrade to Hadoop 2.5
    * [HIVE-8072] - TesParse_union is failing on trunk
    * [HIVE-8224] - Support Char, Varchar in AvroSerDe
    * [HIVE-8265] - Build failure on hadoop-1 
    * [HIVE-8637] - In insert into X select from Y, table properties from X are clobbering those from Y


** Test
    * [HIVE-7084] - TestWebHCatE2e is failing on trunk
    * [HIVE-7085] - TestOrcHCatPigStorer.testWriteDecimal tests are failing on trunk
    * [HIVE-7086] - TestHiveServer2.testConnection is failing on trunk
    * [HIVE-7252] - TestTezTask.testSubmit fails in trunk
    * [HIVE-7343] - Update committer list
    * [HIVE-7684] - Avoid validating hook EnforceReadOnlyTable during  test driver cleanup.
    * [HIVE-8035] - Add SORT_QUERY_RESULTS for test that doesn't guarantee order
    * [HIVE-8070] - TestHWIServer failed due to wrong references to war and properties file
    * [HIVE-8213] - TestHWISessionManager failed due to miss hadoop2 dependencies
    * [HIVE-8360] - Add cross cluster support for webhcat E2E tests
    * [HIVE-8420] - TestHadoop20SAuthBridge broken with hadoop-1
    * [HIVE-8553] - Add a hive smoke test for Apache Bigtop 
    * [HIVE-8618] - Add SORT_QUERY_RESULTS for test that doesn't guarantee order #3


** Wish
    * [HIVE-6241] - Remove direct reference of Hadoop23Shims inQTestUtil


Release Notes - Hive - Version 0.13.0

** Sub-task
    * [HIVE-2436] - Update project naming and description in Hive website
    * [HIVE-3746] - Fix HS2 ResultSet Serialization Performance Regression
    * [HIVE-4282] - Implement vectorized column-scalar expressions
    * [HIVE-4283] - Implement vectorized logical expressions.
    * [HIVE-4284] - Implement class for vectorized row batch
    * [HIVE-4370] - Change ORC tree readers to return batches of rows instead of a row 
    * [HIVE-4379] - Implement Vectorized Column-Column expressions
    * [HIVE-4380] - Implement Vectorized Scalar-Column expressions
    * [HIVE-4381] - Implement vectorized aggregation expressions
    * [HIVE-4383] - Implement vectorized string column-scalar filters
    * [HIVE-4384] - Implement vectorized string functions UPPER(), LOWER(), LENGTH()
    * [HIVE-4385] - Implement vectorized LIKE filter
    * [HIVE-4404] - Vectorized filter and select operators
    * [HIVE-4405] - Generate vectorized execution plan
    * [HIVE-4416] - Vectorized expression for unary minus.
    * [HIVE-4431] - Implement vectorized string concatenation
    * [HIVE-4450] - Extend Vector Aggregates to support GROUP BY
    * [HIVE-4451] - Add support for string column type vector aggregates: COUNT, MIN and MAX
    * [HIVE-4452] - Add support for COUNT(*) in vector aggregates
    * [HIVE-4453] - Input format to read vector data from ORC
    * [HIVE-4457] - Queries not supported by vectorized code path should fall back to non vector path.
    * [HIVE-4462] - Finish support for modulo (%) operator for vectorized arithmetic
    * [HIVE-4472] - OR, NOT Filter logic can lose an array, and always takes time O(VectorizedRowBatch.DEFAULT_SIZE)
    * [HIVE-4477] - remove redundant copy of arithmetic filter unit test testColOpScalarNumericFilterNullAndRepeatingLogic
    * [HIVE-4479] - Child expressions are not being evaluated hierarchically in a few templates.
    * [HIVE-4480] - Implement partition support for vectorized query execution
    * [HIVE-4481] - Vectorized row batch should be initialized with additional columns to hold intermediate output.
    * [HIVE-4483] - Input format to read vector data from RC file
    * [HIVE-4493] - Implement vectorized filter for string column compared to string column
    * [HIVE-4495] - Implement vectorized string substr
    * [HIVE-4509] - Integer division should be cast to double. 
    * [HIVE-4511] - Vectorized reader support for Byte Boolean and Timestamp.
    * [HIVE-4512] - The vectorized plan is not picking right expression class for string concatenation.
    * [HIVE-4514] - Handle constants in projection
    * [HIVE-4529] - Add partition support for vectorized ORC Input format
    * [HIVE-4534] - IsNotNull and NotCol incorrectly handle nulls.
    * [HIVE-4537] - select * fails on orc table when vectorization is enabled 
    * [HIVE-4539] - Move test utils and fix build to remove false test failures
    * [HIVE-4541] - Run check-style on the branch and fix style issues.
    * [HIVE-4544] - VectorizedRowBatchCtx::CreateVectorizedRowBatch should create only the projected columns and not all columns
    * [HIVE-4548] - Speed up vectorized LIKE filter for special cases abc%, %abc and %abc%
    * [HIVE-4552] - Vectorized RecordReader for ORC does not set the ColumnVector.IsRepeating correctly
    * [HIVE-4553] - Column Column, and Column Scalar vectorized execution tests
    * [HIVE-4592] - fix failure to set output isNull to true and other NULL propagation issues; update arithmetic tests
    * [HIVE-4595] - Support strings in GROUP BY keys
    * [HIVE-4596] - Fix serialization exceptions in VectorGroupByOperator
    * [HIVE-4599] - VectorGroupByOperator steals the non-vectorized children and crashes query if vectorization fails
    * [HIVE-4602] - Enable running all hive e2e tests under vectorization
    * [HIVE-4603] - VectorSelectOperator projections change the index of columns for subsequent operators.
    * [HIVE-4606] - Implement vector group by hash spill
    * [HIVE-4608] - Vectorized UDFs for Timestamp in nanoseconds
    * [HIVE-4612] - Vectorized aggregates do not emit proper rows in presence of GROUP BY
    * [HIVE-4624] - Integrate Vectorized Substr into Vectorized QE
    * [HIVE-4637] - Fix VectorUDAFSum.txt to honor the expected vector column type
    * [HIVE-4640] - CommonOrcInputFormat should be the default input format for Orc tables.
    * [HIVE-4642] - Implement vectorized RLIKE and REGEXP filter expressions
    * [HIVE-4649] - Unit test failure in TestColumnScalarOperationVectorExpressionEvaluation 
    * [HIVE-4651] - TestVectorGroupByOperator causes asserts in StandardStructObjectInspector.init
    * [HIVE-4652] -  VectorHashKeyWrapperBatch.java should be in vector package (instead of exec)
    * [HIVE-4655] - Vectorization not working with negative constants, hive doesn't fold constants.
    * [HIVE-4665] - error at VectorExecMapper.close in group-by-agg query over ORC, vectorized
    * [HIVE-4666] - Count(*) over tpch lineitem ORC results in Error: Java heap space
    * [HIVE-4667] - tpch query 1 fails with java.lang.ClassCastException
    * [HIVE-4668] - wrong results for query with modulo (%) in WHERE clause filter
    * [HIVE-4673] - Use VectorExpessionWriter to write column vectors into Writables.
    * [HIVE-4678] - second clause of AND, OR filter not applied for vectorized execution
    * [HIVE-4680] - second clause of OR filter not applied in vectorized query execution
    * [HIVE-4681] - Fix ORC TimestampTreeReader.nextVector() to handle milli-nano math corectly
    * [HIVE-4684] - Query with filter constant on left of "=" and column expression on right does not vectorize
    * [HIVE-4685] - query using LIKE does not vectorize
    * [HIVE-4686] - Max on float returning wrong results
    * [HIVE-4688] - NPE in writing null values.
    * [HIVE-4694] - Fix ORC TestVectorizedORCReader testcase for Timestamps
    * [HIVE-4695] - Unit test failure in TestColumnColumnOperationVectorExpressionEvaluation
    * [HIVE-4699] - Integrate basic UDFs for Timesamp
    * [HIVE-4702] - Unit test failure TestVectorSelectOperator
    * [HIVE-4704] - TestCase FakeVectorRowBatchFromObjectIterables error
    * [HIVE-4706] - Query on Table with partition columns fail with AlreadyBeingCreatedException
    * [HIVE-4714] - Vectorized Sum of scalar subtract column returns negative result when positive exected
    * [HIVE-4716] - Classcast exception with two group by keys of types string and tinyint.
    * [HIVE-4718] - array out of bounds exception near VectorHashKeyWrapper.getBytes() with 2 column GROUP BY
    * [HIVE-4727] - Optimize ORC StringTreeReader::nextVector to not create dictionary of strings for each call to nextVector
    * [HIVE-4744] - Unary Minus Expression Throwing java.lang.NullPointerException
    * [HIVE-4745] - java.lang.RuntimeException: Hive Runtime Error while closing operators: java.lang.ClassCastException: org.apache.hadoop.io.NullWritable cannot be cast to org.apache.hadoop.hive.serde2.io.DoubleWritable
    * [HIVE-4754] - OrcInputFormat should be enhanced to provide vectorized input.
    * [HIVE-4758] - NULLs and record separators broken with vectorization branch intermediate outputs
    * [HIVE-4764] - Support Kerberos HTTP authentication for HiveServer2 running in http mode
    * [HIVE-4769] - Vectorized ORC reader does not handle absence of column present stream correctly. 
    * [HIVE-4770] - Null Pointer Exception in Group By Operator
    * [HIVE-4774] - Hive Runtime Error while closing operators: java.lang.NullPointerException    
    * [HIVE-4786] - Incorrect aggregate results 
    * [HIVE-4787] - make vectorized LOWER(), UPPER(), LENGTH() work end-to-end; support expression input for vectorized LIKE
    * [HIVE-4794] - Unit e2e tests for vectorization
    * [HIVE-4821] - Implement vectorized type casting for all types
    * [HIVE-4822] - implement vectorized math functions
    * [HIVE-4823] - implement vectorized TRIM(), LTRIM(), RTRIM()
    * [HIVE-4828] - Make vectorization branch compile under JDK 7
    * [HIVE-4846] - Implement Vectorized Limit Operator
    * [HIVE-4848] - std, stddev and stddev_pop aggregates on double/float fail to vectorize
    * [HIVE-4850] - Implement vectorized JOIN operators
    * [HIVE-4859] - String column comparison classes should be renamed.
    * [HIVE-4884] - ORC TimestampTreeReader.nextVector() off by a second when time in fractional
    * [HIVE-4887] - sql standard auth should disable commands that impose security risk
    * [HIVE-4898] - make vectorized math functions work end-to-end (update VectorizationContext.java)
    * [HIVE-4909] - Vectorized ORC reader does not set isRepeating flag correctly when 1’s are present is the input stream
    * [HIVE-4922] - create template for string scalar compared with string column
    * [HIVE-4925] - Modify Hive build to enable compiling and running Hive with JDK7
    * [HIVE-4931] - MAX/MIN aggregates yield incorrect results
    * [HIVE-4945] - Make RLIKE/REGEXP run end-to-end by updating VectorizationContext
    * [HIVE-4959] - Vectorized plan generation should be added as an optimization transform.
    * [HIVE-4961] - Create bridge for custom UDFs to operate in vectorized mode
    * [HIVE-4971] - Unit test failure in TestVectorTimestampExpressions
    * [HIVE-4989] - Consolidate and simplify vectorization code and test generation
    * [HIVE-5126] - Make vector expressions serializable.
    * [HIVE-5146] - FilterExprOrExpr changes the order of the rows
    * [HIVE-5152] - Vector operators should inherit from non-vector operators for code re-use.
    * [HIVE-5173] - Wincompat : Add .cmd/text/crlf to .gitattributes
    * [HIVE-5174] - Wincompat : junit.file.schema configurability
    * [HIVE-5178] - Wincompat : QTestUtil changes
    * [HIVE-5187] - Enhance explain to indicate vectorized execution of operators.
    * [HIVE-5217] - Add long polling to asynchronous execution in HiveServer2
    * [HIVE-5226] - orc_create.q and other orc tests fail on the branch.
    * [HIVE-5229] - Better thread management for HiveServer2 async threads
    * [HIVE-5230] - Better error reporting by async threads in HiveServer2
    * [HIVE-5232] - Make JDBC use the new HiveServer2 async execution API by default
    * [HIVE-5252] - Add ql syntax for inline java code creation
    * [HIVE-5253] - Create component to compile and jar dynamic code
    * [HIVE-5282] - Some tests don't use ${system:test.dfs.mkdir} for mkdir
    * [HIVE-5308] - The code generation should be part of the build process.
    * [HIVE-5309] - Update hive-default.xml.template for vectorization flag; remove unused imports from MetaStoreUtils.java
    * [HIVE-5314] - Commit vectorization test data, comment/rename vectorization tests.
    * [HIVE-5332] - Milestone 1: Compile source code under maven
    * [HIVE-5333] - Milestone 2: Generate tests under maven
    * [HIVE-5334] - Milestone 3: Some tests pass under maven
    * [HIVE-5335] - Milestone 4: Most tests pass under maven
    * [HIVE-5365] - Boolean constants in the query are not handled correctly.
    * [HIVE-5371] - Root pom is malformed
    * [HIVE-5400] - Allow admins to disable compile and other commands
    * [HIVE-5430] - Refactor VectorizationContext and handle NOT expression with nulls.
    * [HIVE-5435] - Milestone 5: PTest2 maven support
    * [HIVE-5494] - Vectorization throws exception with nested UDF.
    * [HIVE-5503] - TopN optimization in VectorReduceSink
    * [HIVE-5517] - Implement end-to-end tests for vectorized string and math functions, and casts
    * [HIVE-5525] - Vectorized query failing for partitioned tables.
    * [HIVE-5556] - Pushdown join conditions
    * [HIVE-5557] - Push down qualifying Where clause predicates as join conditions
    * [HIVE-5558] - Support alternate join syntax
    * [HIVE-5566] - Milestone 6: All tests pass under hadoop 1
    * [HIVE-5581] - Implement vectorized year/month/day... etc. for string arguments
    * [HIVE-5582] - Implement BETWEEN filter in vectorized mode
    * [HIVE-5583] - Implement support for IN (list-of-constants) filter in vectorized mode
    * [HIVE-5594] - Exception in vectorized map join.
    * [HIVE-5595] - Implement vectorized SMB JOIN
    * [HIVE-5597] - Temporary fix for HIVE-5172 (possible NPE in TUGIContainingTransport)
    * [HIVE-5600] - Fix PTest2 Maven support
    * [HIVE-5604] - Fix validation of nested expressions.
    * [HIVE-5610] - Merge maven branch into trunk
    * [HIVE-5611] - Add assembly (i.e.) tar creation to pom
    * [HIVE-5612] - Ability to compile odbc and re-generate generated code stored in source control
    * [HIVE-5616] - fix saveVersion.sh to work on mac
    * [HIVE-5624] - Create script for removing ant artifacts after merge
    * [HIVE-5627] - Document 'usehcatalog' parameter on WebHCat calls
    * [HIVE-5642] - Exception in UDFs with large number of arguments.
    * [HIVE-5653] - Vectorized Shuffle Join produces incorrect results
    * [HIVE-5673] - Create profile to generate protobuf
    * [HIVE-5674] - Merge latest trunk into branch and fix resulting tests
    * [HIVE-5675] - Ensure all artifacts are prefixed with hive-
    * [HIVE-5681] - Validation doesn't catch SMBMapJoin
    * [HIVE-5687] - Streaming support in Hive
    * [HIVE-5691] - Intermediate columns are incorrectly initialized for partitioned tables.
    * [HIVE-5697] - Correlation Optimizer may generate wrong plans for cases involving outer join
    * [HIVE-5699] - Add unit test for vectorized BETWEEN for timestamp inputs
    * [HIVE-5711] - Fix eclipse:eclipse maven goal
    * [HIVE-5713] - Verify versions of libraries post maven merge
    * [HIVE-5716] - Fix broken tests after maven merge (1)
    * [HIVE-5717] - Generate javadoc and source jars
    * [HIVE-5739] - Cleanup transitive dependencies
    * [HIVE-5740] - Tar files should extract to the directory of the same name minus tar.gz
    * [HIVE-5741] - Fix binary packaging build eg include hcatalog, resolve pom issues
    * [HIVE-5752] - log4j properties appear to have been lost in maven upgrade
    * [HIVE-5755] - Fix hadoop2 execution environment Milestone 1
    * [HIVE-5756] - Implement vectorization support for IF conditional expression for long, double, timestamp, boolean and string inputs
    * [HIVE-5757] - Implement vectorized support for CASE
    * [HIVE-5758] - Implement vectorized support for NOT IN filter
    * [HIVE-5759] - Implement vectorized support for COALESCE conditional expression
    * [HIVE-5761] - Implement vectorized support for the DATE data type
    * [HIVE-5806] - Implement vectorization support for IF conditional expression for boolean and timestamp inputs
    * [HIVE-5807] - Implement vectorization support for IF conditional expression for string inputs
    * [HIVE-5826] - Add https support to HiveServer2 http mode 
    * [HIVE-5842] - Fix issues with new paths to jar in hcatalog
    * [HIVE-5843] - Transaction manager for Hive
    * [HIVE-5849] - Improve the stats of operators based on heuristics in the absence of any column statistics
    * [HIVE-5877] - Implement vectorized support for IN as boolean-valued expression
    * [HIVE-5880] - Rename HCatalog HBase Storage Handler artifact id
    * [HIVE-5897] - Fix hadoop2 execution environment Milestone 2
    * [HIVE-5898] - Make fetching of column statistics configurable
    * [HIVE-5914] - PTest2 should support build-only args
    * [HIVE-5915] - Shade Kryo dependency
    * [HIVE-5920] - Implement vectorized support for CASE WHEN a THEN b [WHEN c THEN d]* [ELSE e] END 
    * [HIVE-5921] - Better heuristics for worst case statistics estimates for join, limit and filter operator
    * [HIVE-5923] - SQL std auth - parser changes
    * [HIVE-5928] - Add a hive authorization plugin api that does not assume privileges needed
    * [HIVE-5929] - SQL std auth - Access control statement updates
    * [HIVE-5930] - SQL std auth - implement set roles, show current roles 
    * [HIVE-5931] - SQL std auth - add metastore get_principals_in_role api, support SHOW PRINCIPALS role_name
    * [HIVE-5941] - SQL std auth - support 'show roles'
    * [HIVE-5942] - SQL std auth - support DESCRIBE ROLE
    * [HIVE-5943] - SQL std auth - authorize DESCRIBE ROLE role 
    * [HIVE-5944] - SQL std auth - authorize show all roles, create role, drop role
    * [HIVE-5952] - SQL std auth - authorize grant/revoke roles
    * [HIVE-5953] - SQL std auth - authorize grant/revoke on table
    * [HIVE-5954] - SQL std auth - get_privilege_set should check role hierarchy
    * [HIVE-5955] - SQL std auth - metastore api support for get_privilege_set api that checks specific role
    * [HIVE-5958] - SQL std auth - authorize statements that work with paths
    * [HIVE-5959] - SQL std auth - bootstrap SUPERUSER roles
    * [HIVE-5960] - SQL std auth - special handling of PUBLIC role
    * [HIVE-5966] - Fix eclipse:eclipse post shim aggregation changes
    * [HIVE-5978] - Rollups not supported in vector mode.
    * [HIVE-5979] - Failure in cast to timestamps.
    * [HIVE-6004] - Fix statistics annotation related test failures in hadoop2
    * [HIVE-6017] - Contribute Decimal128 high-performance decimal(p, s) package from Microsoft to Hive
    * [HIVE-6051] - Create DecimalColumnVector and a representative VectorExpression for decimal
    * [HIVE-6060] - Define API for RecordUpdater and UpdateReader
    * [HIVE-6064] - Wincompat: windows path substitutions overridden by MiniMrShim.getConfiguration() on hadoop-2
    * [HIVE-6066] - Wincompat: describe_comment_nonascii.q failing on windows
    * [HIVE-6067] - Implement vectorized decimal comparison filters
    * [HIVE-6112] - SQL std auth - support new privileges INSERT, DELETE
    * [HIVE-6124] - Support basic Decimal arithmetic in vector mode (+, -, *)
    * [HIVE-6139] - Implement vectorized decimal division and modulo
    * [HIVE-6156] - Implement vectorized reader for Date datatype for ORC format.
    * [HIVE-6161] - Fix TCLIService duplicate thrift definition for TColumn
    * [HIVE-6167] - Allow user-defined functions to be qualified with database name
    * [HIVE-6178] - Implement vectorized reader for DECIMAL datatype for ORC format.
    * [HIVE-6181] - support grant/revoke on views - parser changes
    * [HIVE-6183] - Implement vectorized type cast from/to decimal(p, s)
    * [HIVE-6186] - error in vectorized Column-Column comparison filter for repeating case
    * [HIVE-6199] - sql std auth - authorize 'show roles'
    * [HIVE-6207] - Integrate HCatalog with locking
    * [HIVE-6222] - Make Vector Group By operator abandon grouping if too many distinct keys
    * [HIVE-6232] - allow user to control out-of-range values in HCatStorer
    * [HIVE-6243] - error in high-precision division for Decimal128
    * [HIVE-6250] - sql std auth - view authorization should not underlying table. More tests and fixes.
    * [HIVE-6254] - sql standard auth - use admin option specified in grant/revoke role statement
    * [HIVE-6257] - Add more unit tests for high-precision Decimal128 arithmetic
    * [HIVE-6258] - sql std auth - disallow cycles between roles
    * [HIVE-6300] - Add documentation for stats configs to hive-default.xml.template
    * [HIVE-6303] - VectorExpressionWriter for date and decimal datatypes.
    * [HIVE-6306] - HiveServer2 running in http mode should support for doAs functionality
    * [HIVE-6318] - Document SSL support added to HiveServer2
    * [HIVE-6319] - Insert, update, delete functionality needs a compactor
    * [HIVE-6330] - Metastore support for permanent UDFs
    * [HIVE-6333] - Generate vectorized plan for decimal expressions.
    * [HIVE-6334] - sql std auth - pass username from sessionstate to v2 authorization interface
    * [HIVE-6344] - Add DECIMAL support to vectorized group by operator
    * [HIVE-6345] - Add DECIMAL support to vectorized JOIN operators
    * [HIVE-6349] - Column name map is broken 
    * [HIVE-6350] - Support LDAP authentication for HiveServer2 in http mode
    * [HIVE-6351] - Support Pluggable Authentication Modules for HiveServer2 running in http mode
    * [HIVE-6380] - Specify jars/files when creating permanent UDFs
    * [HIVE-6386] - sql std auth - database should have an owner
    * [HIVE-6396] - Implement vectorized unary minus for decimal
    * [HIVE-6399] - bug in high-precision Decimal128 multiply
    * [HIVE-6406] - Introduce immutable-table table property and if set, disallow insert-into
    * [HIVE-6407] - Test authorization_revoke_table_priv.q is failing on trunk
    * [HIVE-6415] - Disallow transform clause in sql std authorization mode
    * [HIVE-6416] - Vectorized mathematical functions for decimal type.
    * [HIVE-6417] - sql std auth - new users in admin role config should get added
    * [HIVE-6422] - SQL std auth - revert change for view keyword in grant statement
    * [HIVE-6433] - SQL std auth - allow grant/revoke roles if user has ADMIN OPTION
    * [HIVE-6434] - Restrict function create/drop to admin roles
    * [HIVE-6440] - sql std auth - add command to change owner of database
    * [HIVE-6458] - Add schema upgrade scripts for metastore changes related to permanent functions
    * [HIVE-6460] - Need new "show" functionality for transactions
    * [HIVE-6474] - SQL std auth - only db owner should be allowed to create table within a db
    * [HIVE-6475] - Implement support for appending to mutable tables in HCatalog
    * [HIVE-6478] - SQL std auth - pass username from hiveserver2 to sessionstate
    * [HIVE-6496] - Queries fail to Vectorize.
    * [HIVE-6514] - TestExecDriver/HCat Pig tests fails with -Phadoop-2
    * [HIVE-6541] - Need to write documentation for ACID work
    * [HIVE-6567] - "show grant ... on all" fails with NPE
    * [HIVE-6604] - Fix vectorized input to work with ACID
    * [HIVE-6625] - HiveServer2 running in http mode should support trusted proxy access
    * [HIVE-6673] - sql std auth - show grant statement for all principals throws NPE
    * [HIVE-6688] - Fix groupby_* qfile failures in hadoop-2
    * [HIVE-6714] - Fix getMapSize() of LazyMap
    * [HIVE-6735] - Make scalable dynamic partitioning work in vectorized mode
    * [HIVE-6759] - Fix reading partial ORC files while they are being written
    * [HIVE-6760] - Scalable dynamic partitioning should bail out properly for list bucketing
    * [HIVE-6761] - Hashcode computation does not use maximum parallelism for scalable dynamic partitioning
    * [HIVE-6797] - Add protection against divide by zero in stats annotation
    * [HIVE-6798] - Update column stats based on filter expression in stats annotation
    * [HIVE-6815] - Version of the HIVE-6374 for Hive 0.13


** Bug
    * [HIVE-1922] - semantic analysis error, when using group by and order by together
    * [HIVE-2055] - Hive should add HBase classpath dependencies when available
    * [HIVE-2137] - JDBC driver doesn't encode string properly.
    * [HIVE-2752] - Index names are case sensitive
    * [HIVE-2817] - Drop any table even without privilege
    * [HIVE-2818] - Create table should check privilege of target database, not default database
    * [HIVE-3272] - RetryingRawStore will perform partial transaction on retry
    * [HIVE-3455] - ANSI CORR(X,Y) is incorrect
    * [HIVE-3617] - Predicates pushed down to hbase is not handled properly when constant part is shown first
    * [HIVE-3815] - hive table rename fails if filesystem cache is disabled
    * [HIVE-3936] - Remote debug failed with hadoop 0.23X, hadoop 2.X
    * [HIVE-3938] - Hive MetaStore should send a single AddPartitionEvent for atomically added partition-set.
    * [HIVE-3949] - Some test failures in hadoop 23
    * [HIVE-3969] - Session state for hive server should be cleaned-up
    * [HIVE-4003] - NullPointerException in exec.Utilities
    * [HIVE-4113] - Optimize select count(1) with RCFile and Orc
    * [HIVE-4116] - Can't use views using map datatype.
    * [HIVE-4144] - Add "select database()" command to show the current database
    * [HIVE-4200] - Consolidate submodule dependencies using ivy inheritance
    * [HIVE-4216] - TestHBaseMinimrCliDriver throws weird error with HBase 0.94.5 and Hadoop 23 and test is stuck infinitely
    * [HIVE-4247] - Filtering on a hbase row key duplicates results across multiple mappers
    * [HIVE-4256] - JDBC2 HiveConnection does not use the specified database
    * [HIVE-4257] - java.sql.SQLNonTransientConnectionException on JDBCStatsAggregator
    * [HIVE-4293] - Predicates following UDTF operator are removed by PPD
    * [HIVE-4388] - Upgrade HBase to 0.96
    * [HIVE-4417] - Make unit tests pass on Windows which use Linux script in query files
    * [HIVE-4485] - beeline prints null as empty strings
    * [HIVE-4501] - HS2 memory leak - FileSystem objects in FileSystem.CACHE
    * [HIVE-4519] - JDBC getColumnTypeName() should respond with the Hive-specifc type name for ARRAY, STRUCT and MAP
    * [HIVE-4545] - HS2 should return describe table results without space padding
    * [HIVE-4619] - Hive 0.11.0 is not working with pre-cdh3u6 and hadoop-0.23
    * [HIVE-4669] - Make username available to semantic analyzer hooks
    * [HIVE-4703] - Describe on a table returns "from deserializer" for column comments instead of values supplied in Create Table
    * [HIVE-4778] - hive.server2.authentication CUSTOM not working
    * [HIVE-4831] - QTestUtil based test exiting abnormally on windows fails startup of other QTestUtil tests
    * [HIVE-4837] - Union on void type fails with NPE
    * [HIVE-4872] - merge hive/build.properties and hive/hcatalog/build.properties
    * [HIVE-4910] - Hadoop 2 archives broken
    * [HIVE-4957] - Restrict number of bit vectors, to prevent out of Java heap memory
    * [HIVE-4974] - JDBC2 statements and result sets are not able to return their parents
    * [HIVE-4975] - Reading orc file throws exception after adding new column
    * [HIVE-4996] - unbalanced calls to openTransaction/commitTransaction
    * [HIVE-5002] - Loosen readRowIndex visibility in ORC's RecordReaderImpl to package private
    * [HIVE-5022] - Decimal Arithmetic generates NULL value
    * [HIVE-5032] - Enable hive creating external table at the root directory of DFS
    * [HIVE-5070] - Implement listLocatedStatus() in ProxyFileSystem for 0.23 shim
    * [HIVE-5071] - Address thread safety issues with HiveHistoryUtil
    * [HIVE-5082] - Beeline usage is printed twice when "beeline --help" is executed
    * [HIVE-5086] - Fix scriptfile1.q on Windows
    * [HIVE-5088] - Fix udf_translate.q on Windows
    * [HIVE-5090] - Remove unwanted file from the trunk.
    * [HIVE-5098] - Fix metastore for SQL Server
    * [HIVE-5099] - Some partition publish operation cause OOM in metastore backed by SQL Server
    * [HIVE-5102] - ORC getSplits should create splits based the stripes 
    * [HIVE-5115] - Webhcat e2e tests TestMapReduce_1 and TestHeartbeat_2 require changes for Hadoop 2
    * [HIVE-5132] - Can't access to hwi due to "No Java compiler available"
    * [HIVE-5133] - webhcat jobs that need to access metastore fails in secure mode
    * [HIVE-5150] - UnsatisfiedLinkError when running hive unit tests on Windows
    * [HIVE-5166] - TestWebHCatE2e is failing intermittently on trunk
    * [HIVE-5181] - RetryingRawStore should not retry on logical failures (e.g. from commit)
    * [HIVE-5202] - Support for SettableUnionObjectInspector and implement isSettable/hasAllFieldsSettable APIs for all data types.
    * [HIVE-5216] - Need to annotate public API in HCatalog
    * [HIVE-5218] - datanucleus does not work with MS SQLServer in Hive metastore
    * [HIVE-5224] - When creating table with AVRO serde, the "avro.schema.url" should be about to load serde schema from file system beside HDFS
    * [HIVE-5225] - There is no database named nonexistentdatabaseusedforhealthcheck
    * [HIVE-5231] - Remove TestSerDe.jar from data/files
    * [HIVE-5240] - Column statistics on a partitioned column should fail early with proper error message
    * [HIVE-5242] - Trunk fails to compile
    * [HIVE-5248] - WebHCat Proxy User Support (HIVE-4601) requires documentation
    * [HIVE-5249] - Missing test file for HIVE-5199 
    * [HIVE-5256] - A map join operator may have in-consistent output row schema with the common join operator which it will replace
    * [HIVE-5257] - Add kryo into eclipse template
    * [HIVE-5264] - SQL generated by MetaStoreDirectSql.java not compliant with Postgres.
    * [HIVE-5266] - HCatalog checkstyle failure due to HIVE-5225
    * [HIVE-5268] - HiveServer2 accumulates orphaned OperationHandle objects when a client fails while executing query
    * [HIVE-5270] - Enable hash joins using tez
    * [HIVE-5272] - Column statistics on a invalid column name results in IndexOutOfBoundsException
    * [HIVE-5279] - Kryo cannot instantiate GenericUDAFEvaluator in GroupByDesc
    * [HIVE-5283] - Merge vectorization branch to trunk
    * [HIVE-5286] - Negative test date_literal1.q fails on java7 because the syntax is valid
    * [HIVE-5295] - HiveConnection#configureConnection tries to execute statement even after it is closed
    * [HIVE-5311] - TestHCatPartitionPublish can fail randomly
    * [HIVE-5315] - Cannot attach debugger to Hiveserver2 
    * [HIVE-5318] - Import Throws Error when Importing from a table export Hive 0.9 to Hive 0.10
    * [HIVE-5327] - Potential leak and cleanup in utilities.java
    * [HIVE-5345] - Operator::close() leaks Operator::out, holding reference to buffers
    * [HIVE-5349] - QTestutil does not properly set UTF-8
    * [HIVE-5350] - Cleanup exception handling around parallel orderby
    * [HIVE-5353] - job submission that requires access to metastore should not require additional jars to be shipped to target node
    * [HIVE-5360] - fix hcatalog checkstyle issue  introduced in HIVE-5223
    * [HIVE-5368] - Changes to work creation for tez
    * [HIVE-5377] - the error handling in serialize/deserializeExpression is insufficient, some test may pass in error
    * [HIVE-5379] - NoClassDefFoundError is thrown when using lead/lag with kryo serialization
    * [HIVE-5380] - Non-default OI constructors should be supported for backwards compatibility
    * [HIVE-5384] - hcatloadstore.pig should be upgraded to org.apache.hive.hcatalog.pig.HCatLoader
    * [HIVE-5385] - StringUtils is not in commons codec 1.3
    * [HIVE-5403] - Move loading of filesystem, ugi, metastore client to hive session
    * [HIVE-5404] - Remove changes from HIVE-5184
    * [HIVE-5407] - show create table creating unusable DDL when some reserved keywords  exist
    * [HIVE-5411] - Migrate expression serialization to Kryo
    * [HIVE-5412] - HivePreparedStatement.setDate not implemented
    * [HIVE-5414] - The result of show grant is not visible via JDBC
    * [HIVE-5415] - Remove "System.err.println" from vectorization optimization
    * [HIVE-5418] - Integer overflow bug in ConditionalResolverCommonJoin.AliasFileSizePair
    * [HIVE-5420] - HiveServer2 async thread timeout should be cast to long
    * [HIVE-5422] - Upgrade Kyro to 2.22 now that it is released
    * [HIVE-5425] - Provide a configuration option to control the default stripe size for ORC
    * [HIVE-5428] - Direct SQL check fails during tests
    * [HIVE-5440] - HiveServer2 doesn't apply SQL operation's config property 
    * [HIVE-5441] - Async query execution doesn't return resultset status
    * [HIVE-5446] - Hive can CREATE an external table but not SELECT from it when file path have spaces
    * [HIVE-5448] - webhcat duplicate test TestMapReduce_2 should be removed
    * [HIVE-5449] - Hive schematool info option incorrectly reports error for Postgres metastore
    * [HIVE-5452] - HCatalog e2e test Pig_HBase_1 and Pig_HBase_2 are failing with ClassCastException
    * [HIVE-5453] - jobsubmission2.conf should use 'timeout' property
    * [HIVE-5454] - HCatalog runs a partition listing with an empty filter
    * [HIVE-5455] - Add build/ql/gen/vector to source folder in eclipse template
    * [HIVE-5459] - Add --version option to hive script
    * [HIVE-5460] - invalid offsets in lag lead should return an exception (per ISO-SQL) 
    * [HIVE-5474] - drop table hangs when concurrency=true
    * [HIVE-5478] - WebHCat e2e testsuite for hcat authorization tests needs some fixes
    * [HIVE-5479] - SBAP restricts hcat -e 'show databases'
    * [HIVE-5480] - WebHCat e2e tests for doAs feature are failing
    * [HIVE-5481] - WebHCat e2e test: TestStreaming -ve tests should also check for job completion success
    * [HIVE-5482] - JDBC should depend on httpclient.version and httpcore.version 4.1.3 to be consistent with other modules
    * [HIVE-5484] - TestSchemaTool failures when Hive version has more than 3 revision numbers
    * [HIVE-5485] - SBAP errors on null partition being passed into partition level authorization
    * [HIVE-5486] - HiveServer2 should create base scratch directories at startup
    * [HIVE-5490] - SUBSTR(col, 1, 0) returns wrong result in vectorized mode
    * [HIVE-5492] - Explain query fails with NPE if a client doesn't call getResultSetSchema()
    * [HIVE-5496] - hcat -e "drop database if exists" fails on authorizing non-existent null db
    * [HIVE-5504] - OrcOutputFormat honors  compression  properties only from within hive
    * [HIVE-5506] - Hive SPLIT function does not return array correctly
    * [HIVE-5507] - [WebHCat] test.other.user.name parameter is missing from build.xml in e2e harness
    * [HIVE-5508] - [WebHCat] ignore log collector e2e tests for Hadoop 2
    * [HIVE-5509] - [WebHCat] TestDriverCurl to use string comparison for jobid
    * [HIVE-5510] - [WebHCat] GET job/queue return wrong job information
    * [HIVE-5511] - percentComplete returned by job status from WebHCat is null
    * [HIVE-5513] - Set the short version directly via build script
    * [HIVE-5515] - Writing to an HBase table throws IllegalArgumentException, failing job submission
    * [HIVE-5519] - Use paging mechanism for templeton get requests.
    * [HIVE-5521] - Remove CommonRCFileInputFormat
    * [HIVE-5524] - Unwanted delay in getting Hive metastore connection with METASTORE_CLIENT_CONNECT_RETRY_DELAY/
    * [HIVE-5526] - NPE in ConstantVectorExpression.evaluate(vrg)
    * [HIVE-5528] - hive log file name in local is ".log"
    * [HIVE-5531] - Hiverserver2 doesn't honor command line argument when initializing log4j
    * [HIVE-5535] - [WebHCat] Webhcat e2e test JOBS_2 fail due to permission when hdfs umask setting is 022
    * [HIVE-5539] - remove hcatalog wiki tab from hive site
    * [HIVE-5540] - webhcat e2e test failures: "Expect 1 jobs in logs, but get 1"
    * [HIVE-5541] - [WebHCat] Log collector does not work since we don't close the hdfs status file
    * [HIVE-5542] - Webhcat is failing to run ddl command on a secure cluster
    * [HIVE-5543] - Running the mini tez cluster for tez unit tests
    * [HIVE-5546] - A change in ORCInputFormat made by HIVE-4113 was reverted by HIVE-5391
    * [HIVE-5547] - webhcat pig job submission should ship hive tar if -usehcatalog is specified
    * [HIVE-5548] - Tests under common directory don't run as part of 'ant test'
    * [HIVE-5550] - Import fails for tables created with default text, sequence and orc file formats using HCatalog API
    * [HIVE-5552] - Merging of QBJoinTrees doesn't handle filter pushdowns correctly
    * [HIVE-5559] - Stats publisher fails for list bucketing when IDs are too long
    * [HIVE-5560] - Hive produces incorrect results on multi-distinct query
    * [HIVE-5563] - Skip reading columns in ORC for count(*)
    * [HIVE-5567] - Add better protection code for SARGs
    * [HIVE-5572] - Fails of non-sql command are not propagated to jdbc2 client
    * [HIVE-5574] - Unnecessary newline at the end of message of ParserException
    * [HIVE-5575] - ZooKeeper connection closed when unlock with retry
    * [HIVE-5576] - Blank lines missing from .q.out files created on Windows for testcase=TestCliDriver
    * [HIVE-5577] - Remove TestNegativeCliDriver script_broken_pipe1
    * [HIVE-5578] - hcat script doesn't include jars from HIVE_AUX_JARS_PATH
    * [HIVE-5580] - push down predicates with an and-operator between non-SARGable predicates will get NPE
    * [HIVE-5596] - hive-default.xml.template is invalid 
    * [HIVE-5598] - Remove dummy new line at the end of non-sql commands
    * [HIVE-5599] - Change default logging level to INFO
    * [HIVE-5601] - NPE in ORC's PPD  when using select * from table with where predicate
    * [HIVE-5618] - Hive local task fails to run when run from oozie in a secure cluster
    * [HIVE-5620] - Tez job progress printing stops after a specific amount of time
    * [HIVE-5625] - Fix issue with metastore version restriction test.
    * [HIVE-5628] - ListBucketingPrunnerTest and DynamicMultiDimeCollectionTest should start with Test not end with it
    * [HIVE-5629] - Fix two javadoc failures in HCatalog
    * [HIVE-5631] - Index creation on a skew table fails
    * [HIVE-5633] - Perflogger broken due to HIVE-5403
    * [HIVE-5635] - WebHCatJTShim23 ignores security/user context
    * [HIVE-5636] - Introduce getPartitionColumns() functionality from HCatInputFormat
    * [HIVE-5641] - BeeLineOpts ignores Throwable
    * [HIVE-5643] - ZooKeeperHiveLockManager.getQuorumServers incorrectly appends the custom zk port to quorum hosts
    * [HIVE-5646] - Cannot compile tests on tez branch
    * [HIVE-5648] - error when casting partition column to varchar in where clause 
    * [HIVE-5649] - error when casting partition column to varchar in where clause
    * [HIVE-5656] - Hive produces unclear, confusing SemanticException when dealing with mod or pmod by zero
    * [HIVE-5657] - TopN produces incorrect results with count(distinct)
    * [HIVE-5664] - Drop cascade database fails when the db has any tables with indexes
    * [HIVE-5665] - Update PMC status for navis
    * [HIVE-5667] - ThriftCLIService log messages jumbled up
    * [HIVE-5668] - path normalization in MapOperator is expensive
    * [HIVE-5676] - Cleanup test cases as done during mavenization
    * [HIVE-5680] - Hive writes to HBase table throws NullPointerException
    * [HIVE-5682] - can not display the table's comment in chinese
    * [HIVE-5683] - JDBC support for char
    * [HIVE-5684] - Serde support for char
    * [HIVE-5685] - partition column type validation doesn't work in some cases
    * [HIVE-5686] - partition column type validation doesn't quite work for dates
    * [HIVE-5692] - Make VectorGroupByOperator parameters configurable
    * [HIVE-5694] - on hbase table, function's result like 'count' or 'sum' is multiplied by the number of map tasks.
    * [HIVE-5695] - PTest2 fix shutdown, duplicate runs, and add client retry
    * [HIVE-5696] - WebHCat e2e tests/jobsubmission.conf file is malformed and loosing tests
    * [HIVE-5698] - A few test files missing apache license header
    * [HIVE-5702] - add logging on WebHCat startup to print all env var and Configuration
    * [HIVE-5703] - While using tez, Qtest needs to close session before creating a new one
    * [HIVE-5715] - HS2 should not "start" a session for every command
    * [HIVE-5729] - Beeline displays version as ???? after mavenization
    * [HIVE-5730] - Beeline throws non-terminal NPE upon starting, after mavenization
    * [HIVE-5732] - HiveServer2: Duplicated new OperationManager in SessionManager
    * [HIVE-5743] - Maven pom reverts hadoop 23 version to 2.0.5-alpha
    * [HIVE-5745] - TestHiveLogging is failing (at least on mac)
    * [HIVE-5749] - Classpath issue with maven profile hadoop-2
    * [HIVE-5763] - ExprNodeGenericFuncDesc.toString() generating unbalanced parenthesises
    * [HIVE-5765] - Beeline throws NPE when -e option is used
    * [HIVE-5767] - in SemanticAnalyzer#doPhase1, handling for TOK_UNION falls thru into TOK_INSERT
    * [HIVE-5768] - Beeline connection cannot be closed with !close command
    * [HIVE-5773] - Fix build due to conflict between HIVE-5711 and HIVE-5713
    * [HIVE-5777] - PTest2 IllegalArgumentException when creating hosts
    * [HIVE-5779] - Subquery in where clause with distinct fails with mapjoin turned on with serialization error.
    * [HIVE-5780] - Add the missing declaration of HIVE_CLI_SERVICE_PROTOCOL_V4 in TCLIService.thrift
    * [HIVE-5782] - PTest2 should be able to ride out price spikes
    * [HIVE-5784] - Group By Operator doesn't carry forward table aliases in its RowResolver
    * [HIVE-5786] - Remove HadoopShims methods that were needed for pre-Hadoop 0.20
    * [HIVE-5788] - select * fails for table after adding new columns using rcfile storage format
    * [HIVE-5790] - maven test build  failure shows wrong error message
    * [HIVE-5791] - TestUseDatabase in hcategory failed to pass when illegal filename in /tmp
    * [HIVE-5800] - Hive is inconsistent when handling strings in arithmetic operations
    * [HIVE-5809] - incorrect stats in some cases with hive.stats.autogather=true   
    * [HIVE-5812] - HiveServer2 SSL connection transport binds to loopback address by default
    * [HIVE-5813] - Multi-way Left outer join fails in vectorized mode
    * [HIVE-5816] - maven test failure shows ant message when running single qfile test
    * [HIVE-5817] - column name to index mapping in VectorizationContext is broken
    * [HIVE-5825] - Case statement type checking too restrictive for parameterized types
    * [HIVE-5827] - Incorrect location of logs for failed tests. 
    * [HIVE-5828] - Make shims dependecny on specific hadoop hive shims optional
    * [HIVE-5829] - Rewrite Trim and Pad UDFs based on GenericUDF
    * [HIVE-5830] - SubQuery: Not In subqueries should check if subquery contains nulls in matching column
    * [HIVE-5835] - Null pointer exception in DeleteDelegator in templeton code 
    * [HIVE-5839] - BytesRefArrayWritable compareTo violates contract
    * [HIVE-5844] - dynamic_partition_skip_default.q test fails on trunk
    * [HIVE-5845] - CTAS failed on vectorized code path
    * [HIVE-5846] - Analyze command fails with vectorization on
    * [HIVE-5858] - Alter table fails with exception when fs.hdfs.impl.disable.cache is set false
    * [HIVE-5859] - Create view does not captures inputs
    * [HIVE-5862] - While running some queries on large data using tez, we OOM.
    * [HIVE-5863] - INSERT OVERWRITE TABLE fails in vectorized mode for ORC format target table
    * [HIVE-5866] - Hive divide operator generates wrong results in certain cases
    * [HIVE-5876] - Split elimination in ORC breaks for partitioned tables
    * [HIVE-5887] - metastore direct sql doesn't work with oracle
    * [HIVE-5891] - Alias conflict when merging multiple mapjoin tasks into their common child mapred task
    * [HIVE-5893] - hive-schema-0.13.0.mysql.sql contains reference to nonexistent column
    * [HIVE-5894] - Fix minor PTest2 issues
    * [HIVE-5895] - vectorization handles division by zero differently from normal execution
    * [HIVE-5896] - Insert queries in ORC fails with vectorization on
    * [HIVE-5899] - NPE during explain extended with char/varchar columns
    * [HIVE-5904] - HiveServer2 JDBC connect to non-default database
    * [HIVE-5906] - TestGenericUDFPower should use delta to compare doubles
    * [HIVE-5909] - locate and instr throw java.nio.BufferUnderflowException when empty string as substring
    * [HIVE-5910] - In HiveConf, the name of mapred.min.split.size.per.rack is MAPREDMINSPLITSIZEPERNODE and the name of mapred.min.split.size.per.node is MAPREDMINSPLITSIZEPERRACK
    * [HIVE-5911] - Recent change to schema upgrade scripts breaks file naming conventions
    * [HIVE-5912] - Show partition command doesn't support db.table
    * [HIVE-5913] - HIVE-5880 - (Rename HCatalog HBase Storage Handler artifact id) breaks packaging
    * [HIVE-5916] - No need to aggregate statistics collected via counter mechanism 
    * [HIVE-5917] - Hive packaging build is broken
    * [HIVE-5926] - Load Data OverWrite Into Table Throw org.apache.hadoop.hive.ql.metadata.HiveException
    * [HIVE-5935] - hive.query.string is not provided to FetchTask
    * [HIVE-5936] - analyze command failing to collect stats with counter mechanism
    * [HIVE-5939] - HCatalog hadoop-2 execution environment needs to be addressed.
    * [HIVE-5945] - ql.plan.ConditionalResolverCommonJoin.resolveMapJoinTask also sums those tables which are not used in the child of this conditional task.
    * [HIVE-5947] - Fix test failure in decimal_udf.q
    * [HIVE-5950] - ORC SARG creation fails with NPE for predicate conditions with decimal/date/char/varchar datatypes
    * [HIVE-5957] - Fix HCatalog Unit tests on Windows
    * [HIVE-5964] - Hive missing a filter predicate causing wrong results joining tables after sort by
    * [HIVE-5973] - SMB joins produce incorrect results with multiple partitions and buckets
    * [HIVE-5975] - [WebHCat] templeton mapreduce job failed if provide "define" parameters
    * [HIVE-5981] - Add hive-unit back to itests pom
    * [HIVE-5983] - Fix name of ColumnProjectionUtils.appendReadColumnIDs
    * [HIVE-5986] - ORC SARG evaluation fails with NPE for UDFs or expressions in predicate condition
    * [HIVE-5989] - Hive metastore authorization check is not threadsafe
    * [HIVE-5991] - ORC RLEv2 fails with ArrayIndexOutOfBounds exception for PATCHED_BLOB encoding 
    * [HIVE-5992] - Hive inconsistently converts timestamp in AVG and SUM UDAF's
    * [HIVE-5994] - ORC RLEv2 encodes wrongly for large negative BIGINTs  (64 bits )
    * [HIVE-5995] - decimal_precision.q test case fails in trunk
    * [HIVE-6000] - Hive build broken on hadoop2
    * [HIVE-6003] - bin/hive --debug should not append HIVE_CLIENT_OPTS to HADOOP_OPTS 
    * [HIVE-6005] - BETWEEN is broken after using KRYO
    * [HIVE-6012] - restore backward compatibility of arithmetic operations
    * [HIVE-6015] - vectorized logarithm produces results for 0 that are different from a non-vectorized one
    * [HIVE-6016] - Hadoop23Shims has a bug in listLocatedStatus impl.
    * [HIVE-6018] - FetchTask should not reference metastore classes
    * [HIVE-6021] - Problem in GroupByOperator for handling distinct aggrgations
    * [HIVE-6022] - Load statements with incorrect order of partitions put input files to unreadable places
    * [HIVE-6027] - non-vectorized log10 has rounding issue
    * [HIVE-6028] - Partition predicate literals are not interpreted correctly.
    * [HIVE-6034] - vectorized % doesn't handle zeroes the same way as non-vectorized
    * [HIVE-6036] - A test case for embedded beeline  -  with URL jdbc:hive2:///default
    * [HIVE-6039] - Round, AVG and SUM functions reject char/varch input while accepting string input
    * [HIVE-6041] - Incorrect task dependency graph for skewed join optimization
    * [HIVE-6044] - webhcat should be able to return detailed serde information when show table using "fromat=extended"
    * [HIVE-6045] - Beeline hivevars is broken for more than one hivevar
    * [HIVE-6047] - Permanent UDFs in Hive
    * [HIVE-6048] - Hive load data command rejects file with '+' in the name
    * [HIVE-6052] - metastore JDO filter pushdown for integers may produce unexpected results with non-normalized integer columns
    * [HIVE-6054] - HiveServer2 does not log the output of LogUtils.initHiveLog4j();
    * [HIVE-6065] - orc/FileDump and testRCFile should close on appropriate resources
    * [HIVE-6068] - HiveServer2 client on windows does not handle the non-ascii characters properly
    * [HIVE-6072] - With HCatalog refactoring, Hadoop_HBase e2e will fail
    * [HIVE-6082] - Certain KeeperException should be ignored in ZooKeeperHiveLockManage.unlockPrimitive
    * [HIVE-6083] - User provided table properties are not assigned to the TableDesc of the FileSinkDesc in a CTAS query
    * [HIVE-6085] - Tez changed test parse tests output
    * [HIVE-6104] - Join-key logging in join operator
    * [HIVE-6105] - LongWritable.compareTo needs shimming
    * [HIVE-6110] - schematool errors out when HIVE_OPTS is set
    * [HIVE-6117] - mapreduce.RecordReader instance needs to be initialized
    * [HIVE-6125] - Tez: Refactoring changes
    * [HIVE-6129] - alter exchange is implemented in inverted manner
    * [HIVE-6142] - Beeline ignores HIVE_OPTS
    * [HIVE-6151] - CLIService should use debug log level instead of info
    * [HIVE-6152] - insert query fails on hdfs federation + viewfs
    * [HIVE-6154] - HiveServer2 returns a detailed error message to the client only when the underlying exception is a HiveSQLException
    * [HIVE-6157] - Fetching column stats slower than the 101 during rush hour
    * [HIVE-6159] - Hive uses deprecated hadoop configuration in Hadoop 2.0
    * [HIVE-6162] - "multiple SLF4J bindings" warning messages when running hive CLI on Hadoop 2.0
    * [HIVE-6164] - Hive build on Windows failed with datanucleus enhancer error "command line is too long"
    * [HIVE-6166] - JsonSerDe is too strict about table schema
    * [HIVE-6170] - Upgrade to the latest version of bonecp
    * [HIVE-6174] - Beeline "set varible" doesn't show the value of the variable as Hive CLI
    * [HIVE-6177] - Fix keyword KW_REANME which was intended to be KW_RENAME
    * [HIVE-6180] - Hive JDBC Driver connection fail when no default database passed in the connection string
    * [HIVE-6184] - Bug in SessionManager.stop() in HiveServer2
    * [HIVE-6185] - DDLTask is inconsistent in creating a table and adding a partition when dealing with location
    * [HIVE-6189] - Support top level union all statements
    * [HIVE-6195] - Create unit tests to exercise behaviour when creating a HBase Table in Hive
    * [HIVE-6203] - Privileges of role granted indrectily to user is not applied
    * [HIVE-6205] - alter <table> partition column throws NPE in authorization
    * [HIVE-6208] - user-defined aggregate functions cannot be used as windowing function
    * [HIVE-6209] - 'LOAD DATA INPATH ... OVERWRITE ..' doesn't overwrite current data
    * [HIVE-6211] - WebHCat job status E2E tests fail in presence of other jobs
    * [HIVE-6216] - Update datanucleus.connectionPoolingType to BoneCP in hive-default.xml.template
    * [HIVE-6218] - Stats for row-count not getting updated with Tez insert + dbclass=counter
    * [HIVE-6224] - Remove unneeded tez dependencies from hive
    * [HIVE-6227] - WebHCat E2E test JOBS_7 fails
    * [HIVE-6229] - Stats are missing sometimes (regression from HIVE-5936)
    * [HIVE-6231] - NPE when switching to Tez execution mode after session has been initialized
    * [HIVE-6233] - JOBS testsuite in WebHCat E2E tests does not work correctly in secure mode
    * [HIVE-6237] - Webhcat e2e test JOBS_2 fail due to permission when hdfs umask setting is 022
    * [HIVE-6240] - Update jetty to the latest stable (9.x) in the service module
    * [HIVE-6246] - Sign(a) UDF is not supported for decimal type
    * [HIVE-6249] - HiveServer2 JDBC SSL binary client transport should not call a TTransport#open 
    * [HIVE-6251] - Add ability to specify delimiter in HCatalog Java API to create tables - HCatCreateTableDesc
    * [HIVE-6260] - Compress plan when sending via RPC (Tez)
    * [HIVE-6261] - Update metadata.q.out file for tez (after change to .q file)
    * [HIVE-6262] - Remove unnecessary copies of schema + table desc from serialized plan
    * [HIVE-6263] - Avoid sending input files multiple times on Tez
    * [HIVE-6264] - Unbalanced number of HiveParser msgs.push/msgs.pop calls when doing lookahead
    * [HIVE-6267] - Explain explain
    * [HIVE-6268] - Network resource leak with HiveClientCache when using HCatInputFormat
    * [HIVE-6287] - batchSize computation in Vectorized ORC reader can cause BufferUnderFlowException when PPD is enabled
    * [HIVE-6298] - Add config flag to turn off fetching partition stats
    * [HIVE-6301] - get_json_object throw java.lang.IllegalStateException: No match found exception.
    * [HIVE-6309] - Hive incorrectly removes TaskAttempt output files if MRAppMaster fails once
    * [HIVE-6310] - Fix a few minimr test failures
    * [HIVE-6312] - doAs with plain sasl auth should be session aware
    * [HIVE-6315] - MetaStoreDirectSql ctor should not throw
    * [HIVE-6320] - Row-based ORC reader with PPD turned on dies on BufferUnderFlowException 
    * [HIVE-6323] - Fix unit test file_with_header_footer_negative.q in TestNegativeMinimrCliDriver
    * [HIVE-6326] - Split generation in ORC may generate wrong split boundaries because of unaccounted padded bytes
    * [HIVE-6328] - Hive script should not overwrite AUX_CLASSPATH with HIVE_AUX_JARS_PATH if the latter is set
    * [HIVE-6340] - Beeline outputs error message when HIVE_AUX_JARS_PATH is set
    * [HIVE-6353] - Update hadoop-2 golden files after HIVE-6267
    * [HIVE-6354] - Some index test golden files produce non-deterministic stats in explain
    * [HIVE-6356] - Dependency injection in hbase storage handler is broken
    * [HIVE-6358] - filterExpr not printed in explain for tablescan operators (ppd)
    * [HIVE-6359] - beeline -f fails on scripts with tabs in them.
    * [HIVE-6360] - Hadoop 2.3 + Tez 0.3
    * [HIVE-6364] - HiveServer2 - Request serving thread should get class loader from existing SessionState
    * [HIVE-6369] - ORC Writer (int RLE v2) fails with ArrayIndexOutOfBounds
    * [HIVE-6372] - getDatabaseMajor/Minor version returns wrong values
    * [HIVE-6373] - TestCliDriverMethods test can cause entire build to fail
    * [HIVE-6375] - Fix CTAS for parquet
    * [HIVE-6377] - make HADOOP_HOME setting consistent between hive and webhcat_config.sh
    * [HIVE-6381] - bin/hcat script won't launch - uses invalid $HIVE_HOME
    * [HIVE-6382] - PATCHED_BLOB encoding in ORC will corrupt data in some cases
    * [HIVE-6383] - Newly added tests in TestJdbcDriver2 from HIVE-4395 is not running
    * [HIVE-6389] - LazyBinaryColumnarSerDe-based RCFile tables break when looking up elements in null-maps.
    * [HIVE-6392] - Hive (and HCatalog) don't allow super-users to add partitions to tables.
    * [HIVE-6395] - multi-table insert from select transform fails if optimize.ppd enabled
    * [HIVE-6398] - MapRedTask.configureDebugVariablesForChildJVM mixes HIVE_CHILD_CLIENT_DEBUG_OPTS and HIVE_MAIN_CLIENT_DEBUG_OPTS in env check
    * [HIVE-6400] - Add Apache Rat plugin to pom.xml
    * [HIVE-6403] - uncorrelated subquery is failing with auto.convert.join=true
    * [HIVE-6409] - FileOutputCommitterContainer::commitJob() cancels delegation tokens too early.
    * [HIVE-6414] - ParquetInputFormat provides data values that do not match the object inspectors
    * [HIVE-6420] - upgrade script for Hive 13 is missing for Derby
    * [HIVE-6447] - Bucket map joins in hive-tez
    * [HIVE-6461] - Run Release Audit tool, fix missing license issues
    * [HIVE-6464] - Test configuration: reduce the duration for which lock attempts are retried
    * [HIVE-6467] - metastore upgrade script 016-HIVE-6386.derby.sql uses char rather than varchar
    * [HIVE-6472] - JDBC cancel will not work with current HiveServer2
    * [HIVE-6477] - Aggregation functions for tiny/smallint broken with parquet
    * [HIVE-6479] - Few .q.out files need to be updated post HIVE-5958
    * [HIVE-6482] - Fix NOTICE file: pre release task
    * [HIVE-6485] - Downgrade to httpclient-4.2.5 in JDBC from httpclient-4.3.2
    * [HIVE-6488] - Investigate TestBeeLineWithArgs
    * [HIVE-6491] - ClassCastException in AbstractParquetMapInspector
    * [HIVE-6495] - TableDesc.getDeserializer() should use correct classloader when calling Class.forName()
    * [HIVE-6499] - Using Metastore-side Auth errors on non-resolvable IF/OF/SerDe
    * [HIVE-6503] - document pluggable authentication modules (PAM) in template config, wiki
    * [HIVE-6505] - Make stats optimizer more robust in presence of distinct clause
    * [HIVE-6506] - hcatalog should automatically work with new tableproperties in ORC
    * [HIVE-6507] - OrcFile table property names are specified as strings
    * [HIVE-6508] - Mismatched results between vector and non-vector mode with decimal field
    * [HIVE-6511] - casting from decimal to tinyint,smallint, int and bigint generates different result when vectorization is on
    * [HIVE-6512] - HiveServer2 ThriftCLIServiceTest#testDoAs is an invalid test
    * [HIVE-6513] - Most hcatalog pig tests fail when building for hadoop-2
    * [HIVE-6518] - Add a GC canary to the VectorGroupByOperator to flush whenever a GC is triggered
    * [HIVE-6519] - Allow optional "as" in subquery definition
    * [HIVE-6522] - AVG() failure with decimal type
    * [HIVE-6528] - Add maven compiler plugin to ptest2 pom
    * [HIVE-6529] - Tez output files are out of date
    * [HIVE-6530] - JDK 7 trunk build fails after HIVE-6418 patch
    * [HIVE-6531] - Runtime errors in vectorized execution.
    * [HIVE-6537] - NullPointerException when loading hashtable for MapJoin directly
    * [HIVE-6539] - Couple of issues in fs based stats collection
    * [HIVE-6542] - build error with jdk 7
    * [HIVE-6545] - analyze table throws NPE for non-existent tables.
    * [HIVE-6546] - WebHCat job submission for pig with -useHCatalog argument fails on Windows
    * [HIVE-6547] - normalize struct Role in metastore thrift interface
    * [HIVE-6548] - Missing owner name and type fields in schema script for DBS table 
    * [HIVE-6551] - group by after join with skew join optimization references invalid task sometimes
    * [HIVE-6552] - Failed to generate new mapJoin operator by exception : Big Table Alias is null
    * [HIVE-6555] - TestSchemaTool is failing on trunk after branching
    * [HIVE-6557] - TestSchemaTool tests are failing
    * [HIVE-6558] - HiveServer2 Plain SASL authentication broken after hadoop 2.3 upgrade
    * [HIVE-6559] - sourcing txn-script from schema script results in failure for mysql & oracle
    * [HIVE-6562] - Protection from exceptions in ORC predicate evaluation
    * [HIVE-6563] - hdfs jar being pulled in when creating a hadoop-2 based hive tar ball
    * [HIVE-6566] - Incorrect union-all plan with map-joins on Tez
    * [HIVE-6568] - Vectorized cast of decimal to string and timestamp produces incorrect result.
    * [HIVE-6571] - query id should be available for logging during query compilation
    * [HIVE-6572] - Use shimmed version of hadoop conf names for mapred.{min,max}.split.size{.*}
    * [HIVE-6573] - Oracle metastore doesnt come up when hive.cluster.delegation.token.store.class is set to DBTokenStore
    * [HIVE-6574] - Type in ql/pom.xml prevents jobs from parquet queries from running on a cluster
    * [HIVE-6575] - select * fails on parquet table with map datatype
    * [HIVE-6576] - sending user.name as a form parameter in POST doesn't work post HADOOP-10193
    * [HIVE-6580] - Refactor ThriftBinaryCLIService and ThriftHttpCLIService tests.
    * [HIVE-6585] - bucket map join fails in presence of _SUCCESS file
    * [HIVE-6591] - Importing a table containing hidden dirs fails
    * [HIVE-6592] - WebHCat E2E test abort when pointing to https url of webhdfs
    * [HIVE-6594] - UnsignedInt128 addition does not increase internal int array count resulting in corrupted values during serialization
    * [HIVE-6597] - WebHCat E2E tests doAsTests_6 and doAsTests_7 need to be updated
    * [HIVE-6598] - Importing the project into eclipse as maven project have some issues
    * [HIVE-6599] - Document new jdbc url connection parameters for HiveServer2
    * [HIVE-6605] - Hive does not set the environment correctly when running in Tez mode
    * [HIVE-6606] - Stand alone metastore fails to start if new transaction values not defined in config
    * [HIVE-6607] - describe extended on a view fails with NPE
    * [HIVE-6608] - Add apache pom as parent pom
    * [HIVE-6609] - Doing Ctrl-C on hive cli doesn't kill running MR jobs on hadoop-2
    * [HIVE-6610] - Unit test log needs to reflect DB Name
    * [HIVE-6611] - Joining multiple union all outputs fails on Tez
    * [HIVE-6618] - assertion when getting reference key from loader with byte-array mapjoin key
    * [HIVE-6621] - Beeline backward incompatible change
    * [HIVE-6630] - FS based stats collection have issues for list bucketing case
    * [HIVE-6633] - pig -useHCatalog with embedded metastore fails to pass command line args to metastore
    * [HIVE-6635] - Heartbeats are not being sent when DbLockMgr is used and an operation holds locks
    * [HIVE-6636] - /user/hive is a bad default for HDFS jars path for Tez
    * [HIVE-6639] - Vectorization: Partition column names are not picked up.
    * [HIVE-6640] - Change hive.version.shortname in hive 0.13 branch to '0.13.0'
    * [HIVE-6641] - optimized HashMap keys won't work correctly with decimals
    * [HIVE-6642] - Query fails to vectorize when a non string partition column is part of the query expression
    * [HIVE-6643] - Add a check for cross products in plans and output a warning
    * [HIVE-6644] - document TestStreaming_2 e2e test case for webhcat
    * [HIVE-6645] - to_date()/to_unix_timestamp() fail with NPE if input is null
    * [HIVE-6646] - Error in txn handler SQL
    * [HIVE-6647] - Bump the thrift api version to V7 for HiveServer2
    * [HIVE-6649] - Vectorization: some date expressions throw exception.
    * [HIVE-6650] - hive.optimize.index.filter breaks non-index where with HBaseStorageHandler
    * [HIVE-6653] - WebHCat E2E test JOBS_7 and JOBS_9 fail as profile.url in job details is being returned as null
    * [HIVE-6656] - Bug in ORC Timestamp reader returns wrong nanoseconds
    * [HIVE-6658] - Modify Alter_numbuckets* test to reflect hadoop2 changes
    * [HIVE-6659] - Update log for list_bucket_* to add pre/post DB
    * [HIVE-6660] - HiveServer2 running in non-http mode closes server socket for an SSL connection after the 1st request
    * [HIVE-6661] - WebHCat E2E test TestPig_10 fails (Hadoop 2)
    * [HIVE-6662] - Vector Join operations with DATE columns fail
    * [HIVE-6663] - remove TUGIContainingProcessor class as it is not used anymore
    * [HIVE-6664] - Vectorized variance computation differs from row mode computation.
    * [HIVE-6666] - Metastore init scripts should always populate the version information at the end
    * [HIVE-6668] - When auto join convert is on and noconditionaltask is off, ConditionalResolverCommonJoin fails to resolve map joins.
    * [HIVE-6670] - ClassNotFound with Serde
    * [HIVE-6671] - WebHCat Job Submission API 'enablelog' parameter is only supported with Hadoop 1
    * [HIVE-6672] - JARs loaded by permanent functions don't work properly with HiveServer2
    * [HIVE-6674] - "show grant on all" throws NPE
    * [HIVE-6676] - hcat cli fails to run when running with hive on tez
    * [HIVE-6680] - Decimal128#update(Decimal128 o, short scale) should adjust the unscaled value.
    * [HIVE-6681] - Describe table sometimes shows "from deserializer" for column comments
    * [HIVE-6682] - nonstaged mapjoin table memory check may be broken
    * [HIVE-6686] - webhcat does not honour -Dlog4j.configuration=$WEBHCAT_LOG4J of log4j.properties file on local filesystem.
    * [HIVE-6687] - JDBC ResultSet fails to get value by qualified projection name
    * [HIVE-6689] - Provide an option to not display partition columns separately in describe table output 
    * [HIVE-6690] - NPE in tez session state
    * [HIVE-6700] - In some queries inputs are closed on Tez before the operator pipeline is flushed
    * [HIVE-6701] - Analyze table compute statistics for decimal columns.
    * [HIVE-6702] - TezMergedLogicalInput needs to inform the framework when it is ready
    * [HIVE-6704] - date_add()/date_sub()/datediff() fail with NPE with null input
    * [HIVE-6706] - Tez queries fail when there are no input paths
    * [HIVE-6707] - Lazy maps are broken (LazyMap and LazyBinaryMap)
    * [HIVE-6708] - ConstantVectorExpression should create copies of data objects rather than referencing them
    * [HIVE-6710] - Deadlocks seen in transaction handler using mysql
    * [HIVE-6711] - ORC maps uses getMapSize() from MapOI which is unreliable
    * [HIVE-6716] - ORC struct throws NPE for tables with inner structs having null values 
    * [HIVE-6721] - Streaming ingest needs to be able to send many heartbeats together
    * [HIVE-6724] - HCatStorer throws ClassCastException while storing tinyint/smallint data
    * [HIVE-6728] - Missing file override-container-log4j.properties in Hcatalog 
    * [HIVE-6732] - Update Release Notes for Hive 0.13
    * [HIVE-6733] - Driver context logs every query in the "warn" level
    * [HIVE-6734] - DDL locking too course grained in new db txn manager
    * [HIVE-6739] - Hive HBase query fails on Tez due to missing jars and then due to NPE in getSplits
    * [HIVE-6740] - Typo in src/ql/pom.xml
    * [HIVE-6742] - Tez Outputs need to be started before accessing the writer
    * [HIVE-6744] - Permanent UDF lookup fails when current DB has uppercase letters
    * [HIVE-6748] - FileSinkOperator needs to cleanup held references for container reuse
    * [HIVE-6749] - Turn hive.auto.convert.join.use.nonstaged off by default
    * [HIVE-6750] - Hive printing debug information in stdout after the end of CLI session
    * [HIVE-6752] - Vectorized Between and IN expressions don't work with decimal, date types.
    * [HIVE-6753] - Unions on Tez NPE when there's a mapjoin the union work
    * [HIVE-6757] - Remove deprecated parquet classes from outside of org.apache package
    * [HIVE-6763] - HiveServer2 in http mode might send same kerberos client ticket in case of concurrent requests resulting in server throwing a replay exception
    * [HIVE-6765] - ASTNodeOrigin unserializable leads to fail when join with view
    * [HIVE-6766] - HCatLoader always returns Char datatype with maxlength(255)  when table format is ORC
    * [HIVE-6771] - Update WebHCat E2E tests now that comments is reported correctly in "describe table" output
    * [HIVE-6778] - ql/src/test/queries/clientpositive/pcr.q covers the test which generate 1.0 =1 predicate in partition pruner. 
    * [HIVE-6779] - Hive cli may get into inconsistent state when Ctrl-C is hit on hadoop2
    * [HIVE-6780] - Set tez credential file property along with MR conf property for Tez jobs
    * [HIVE-6781] - Hive JDBC in http mode is using HiveConf - should be removed 
    * [HIVE-6782] - HiveServer2Concurrency issue when running with tez intermittently, throwing "org.apache.tez.dag.api.SessionNotRunning: Application not running" error
    * [HIVE-6786] - Off by one error in ORC PPD 
    * [HIVE-6787] - ORC+ACID assumes all missing buckets are in ACID structure
    * [HIVE-6789] - HiveStatement client transport lock should unlock in finally block.
    * [HIVE-6795] - metastore initialization should add default roles with default, SBA
    * [HIVE-6796] - Create/drop roles is case-sensitive whereas 'set role' is case insensitive
    * [HIVE-6800] - HiveServer2 is not passing proxy user setting through hive-site
    * [HIVE-6802] - Fix metastore.thrift: add partition_columns.types constant
    * [HIVE-6804] - sql std auth - granting existing table privilege to owner should result in error
    * [HIVE-6808] - sql std auth - describe table, show partitions are not being authorized
    * [HIVE-6812] - show compactions returns error when there are no compactions
    * [HIVE-6816] - jar upload path w/o schema is not handled correctly
    * [HIVE-6818] - Array out of bounds when ORC is used with ACID and predicate push down
    * [HIVE-6819] - Correctness issue with Hive limit operator & predicate push down
    * [HIVE-6821] - Fix some non-deterministic tests 
    * [HIVE-6823] - sql std auth - database authorization does not check for role ownership
    * [HIVE-6829] - alter table foo compact gives an error 
    * [HIVE-6830] - After major compaction unable to read from partition with MR job
    * [HIVE-6834] - Dynamic partition optimization bails out after removing file sink operator
    * [HIVE-6837] - HiveServer2 thrift/http mode & binary mode proxy user check fails reporting IP null for client
    * [HIVE-6838] - q.out files need correction for stats properties - sample8,transform_ppr1,transform_ppr2,union_ppr
    * [HIVE-6840] - Use Unordered Output for Bucket Map Joins on Tez
    * [HIVE-6841] - Vectorized execution throws NPE for partitioning columns with __HIVE_DEFAULT_PARTITION__
    * [HIVE-6845] - TestJdbcDriver.testShowRoleGrant can fail if TestJdbcDriver/TestJdbcDriver2 run together
    * [HIVE-6846] - allow safe set commands with sql standard authorization
    * [HIVE-6848] - Importing into an existing table fails
    * [HIVE-6850] - For FetchOperator, Driver uses the valid transaction list from the previous query
    * [HIVE-6855] - A couple of errors in MySQL db creation script for transaction tables
    * [HIVE-6856] - ddl commands fail with permissions issue when running using webhcat in secure Tez cluster
    * [HIVE-6860] - Issue with FS based stats collection on Tez
    * [HIVE-6863] - HiveServer2 binary mode throws exception with PAM
    * [HIVE-6864] - HiveServer2 concurrency uses incorrect user information in unsecured mode
    * [HIVE-6873] - DISTINCT clause in aggregates is handled incorrectly by vectorized execution
    * [HIVE-6875] - Make sure resources in Tez resource list are unique
    * [HIVE-6878] - MetaStoreDirectSql may not handle empty filter correctly
    * [HIVE-6879] - Vectorization: IsNull returns incorrect output column.
    * [HIVE-6881] - Postgres Upgrade script for hive 0.13 is broken
    * [HIVE-6882] - Make upgrade script schemaTool friendly
    * [HIVE-6887] - Add missing params to hive-default.xml.template 
    * [HIVE-6894] - hcatalog streaming version in 0.13 branch should be "0.13"
    * [HIVE-6906] - Fix assembly/src.xml so that sr tar ball contains top level pom.xml
    * [HIVE-6907] - HiveServer2 - wrong user gets used for metastore operation with embedded metastore


** Improvement
    * [HIVE-860] - Persistent distributed cache
    * [HIVE-1180] - Support Common Table Expressions (CTEs) in Hive
    * [HIVE-1511] - Hive plan serialization is slow
    * [HIVE-2365] - SQL support for bulk load into HBase
    * [HIVE-2599] - Support Composit/Compound Keys with HBaseStorageHandler
    * [HIVE-2983] - Hive ant targets for publishing maven artifacts can be simplified
    * [HIVE-3107] - Improve semantic analyzer to better handle column name references in group by/sort by clauses
    * [HIVE-3181] - getDatabaseMajor/Minor version does not return values
    * [HIVE-3420] - Inefficiency in hbase handler when process query including rowkey range scan
    * [HIVE-3611] - Hive JDBC doesn't support BINARY column
    * [HIVE-3616] - Use Paths consistently
    * [HIVE-3777] - add a property in the partition to figure out if stats are accurate
    * [HIVE-3959] - Update Partition Statistics in Metastore Layer
    * [HIVE-3990] - Provide input threshold for direct-fetcher (HIVE-2925)
    * [HIVE-4340] - ORC should provide raw data size
    * [HIVE-4395] - Support TFetchOrientation.FIRST for HiveServer2 FetchResults
    * [HIVE-4449] - show create table method returns only "COMMENT 'from deserializer'"
    * [HIVE-4518] - Counter Strike: Operation Operator
    * [HIVE-4523] - round() function with specified decimal places not consistent with mysql 
    * [HIVE-4568] - Beeline needs to support resolving variables
    * [HIVE-4632] - Use hadoop counter as a stat publisher
    * [HIVE-4693] - If you set hive.optimize.skewjoin=true, and number of identical keys is < hive.skewjoin.key don't fail with FileNotFoundException
    * [HIVE-4732] - Reduce or eliminate the expensive Schema equals() check for AvroSerde
    * [HIVE-4739] - Create public parallel test environment
    * [HIVE-4741] - Add Hive config API to modify the restrict list
    * [HIVE-4880] - Rearrange explain order of stages simpler
    * [HIVE-4888] - listPartitionsByFilter doesn't support lt/gt/lte/gte
    * [HIVE-4904] - A little more CP crossing RS boundaries
    * [HIVE-4914] - filtering via partition name should be done inside metastore server (implementation)
    * [HIVE-4997] - HCatalog doesn't allow multiple input tables
    * [HIVE-5112] - Upgrade protobuf to 2.5 from 2.4
    * [HIVE-5114] - add a target to run tests without rebuilding them
    * [HIVE-5155] - Support secure proxy user access to HiveServer2
    * [HIVE-5193] - Columnar Pushdown for RC/ORC File not happening in HCatLoader 
    * [HIVE-5204] - Change type compatibility methods to use PrimitiveCategory rather than TypeInfo
    * [HIVE-5220] - Add option for removing intermediate directory for partition, which is empty
    * [HIVE-5223] - explain doesn't show serde used for table
    * [HIVE-5234] - partition name filtering uses suboptimal datastructures
    * [HIVE-5263] - Query Plan  cloning time could be improved by using Kryo
    * [HIVE-5276] - Skip redundant string encoding/decoding for hiveserver2
    * [HIVE-5288] - Perflogger should log under single class
    * [HIVE-5298] - AvroSerde performance problem caused by HIVE-3833
    * [HIVE-5300] - MapredLocalTask logs success message twice
    * [HIVE-5306] - Use new GenericUDF instead of basic UDF for UDFAbs class
    * [HIVE-5351] - Secure-Socket-Layer (SSL) support for HiveServer2
    * [HIVE-5361] - PTest2 should allow a different JVM for compilation versus execution
    * [HIVE-5366] - Refactor a few object inspector class to eliminate redundant information
    * [HIVE-5370] - format_number udf should take user specifed format as argument
    * [HIVE-5372] - Refactor TypeInfo and PrimitiveTypeEntry class hierachy to eliminate info repetition
    * [HIVE-5383] - PTest2 should allow you to specify ant properties which will only be added to the command when a test is executed
    * [HIVE-5391] - make ORC predicate pushdown work with vectorization
    * [HIVE-5395] - Various cleanup in ptf code
    * [HIVE-5408] - Method matching needs to be improved in NumericOpMethodResolver to suport decimal type with parameters
    * [HIVE-5423] - Speed up testing of scalar UDFS
    * [HIVE-5445] - PTest2 should use testonly target
    * [HIVE-5483] - use metastore statistics to optimize max/min/etc. queries
    * [HIVE-5512] - metastore filter pushdown should support "between"
    * [HIVE-5514] - webhcat_server.sh foreground option does not work as expected
    * [HIVE-5520] - Use factory methods to instantiate HiveDecimal instead of constructors
    * [HIVE-5554] - add more comments to CombineHiveInputFormat.java, BucketizedHiveInputFormat.java
    * [HIVE-5602] - Micro optimize select operator
    * [HIVE-5605] - AddResourceOperation, DeleteResourceOperation, DfsOperation, SetOperation should be removed from org.apache.hive.service.cli.operation 
    * [HIVE-5619] - Allow concat() to accept mixed string/binary args
    * [HIVE-5626] - enable metastore direct SQL for drop/similar queries
    * [HIVE-5632] - Eliminate splits based on SARGs using stripe statistics in ORC
    * [HIVE-5655] - Hive incorrecly handles divide-by-zero case
    * [HIVE-5663] - Refactor ORC RecordReader to operate on direct & wrapped ByteBuffers
    * [HIVE-5666] - use Path instead of String for IOContext.inputPath
    * [HIVE-5679] - add date support to metastore JDO/SQL
    * [HIVE-5700] - enforce single date format for partition column storage
    * [HIVE-5707] - Validate values for ConfVar
    * [HIVE-5708] - PTest2 should trim long logs when posting to jira
    * [HIVE-5721] - Incremental build is disabled by MCOMPILER-209
    * [HIVE-5722] - Skip generating vectorization code if possible
    * [HIVE-5726] - The DecimalTypeInfo instance associated with a decimal constant is not in line with the precision/scale of the constant
    * [HIVE-5728] - Make ORC InputFormat/OutputFormat usable outside Hive
    * [HIVE-5731] - Use new GenericUDF instead of basic UDF for UDFDate* classes 
    * [HIVE-5737] - Provide StructObjectInspector for UDTFs rather than ObjectInspect[]
    * [HIVE-5750] - Queue name should not be hardcoded to 'default' when running Tez jobs
    * [HIVE-5753] - Remove collector from Operator base class
    * [HIVE-5793] - Update hive-default.xml.template for HIVE-4002
    * [HIVE-5794] - HiveServer2 should retry startup
    * [HIVE-5802] - Hive UDF pow limits the second input to integer when the first input is a decimal
    * [HIVE-5855] - Add deprecated methods back to ColumnProjectionUtils
    * [HIVE-5872] - Make UDAFs such as GenericUDAFSum report accurate precision/scale for decimal types
    * [HIVE-5879] - Fix spelling errors in hive-default.xml
    * [HIVE-5901] - Query cancel should stop running MR tasks
    * [HIVE-5919] - COALESCE does not vectorize
    * [HIVE-5946] - DDL authorization task factory should be better tested
    * [HIVE-5951] - improve performance of adding partitions from client
    * [HIVE-5982] - Remove redundant filesystem operations and methods in FileSink
    * [HIVE-5985] - Make qfile_regex to accept multiple patterns
    * [HIVE-5993] - JDBC Driver should not hard-code the database name
    * [HIVE-6013] - Supporting Quoted Identifiers in Column Names
    * [HIVE-6023] - Numeric Data Type Support
    * [HIVE-6037] - Synchronize HiveConf with hive-default.xml.template and support show conf
    * [HIVE-6070] - document HIVE-6052
    * [HIVE-6089] - Add metrics to HiveServer2
    * [HIVE-6095] - Use paths consistently II
    * [HIVE-6109] - Support customized location for EXTERNAL tables created by Dynamic Partitioning
    * [HIVE-6115] - Remove redundant code in HiveHBaseStorageHandler
    * [HIVE-6116] - Use Paths consistently III
    * [HIVE-6118] - PTest2 is banned periodically by AWS because JClouds is too agressive
    * [HIVE-6121] - Use Paths Consistently - IV
    * [HIVE-6122] - Implement show grant on <resource>
    * [HIVE-6144] - Implement non-staged MapJoin
    * [HIVE-6171] - Use Paths consistently - V
    * [HIVE-6173] - Beeline doesn't accept --hiveconf option as Hive CLI does
    * [HIVE-6182] - LDAP Authentication errors need to be more informative
    * [HIVE-6188] - Document hive.metastore.try.direct.sql & hive.metastore.try.direct.sql.ddl
    * [HIVE-6193] - change partition pruning request to metastore to use list instead of set
    * [HIVE-6201] - Print failed query for qfile tests
    * [HIVE-6204] - The result of show grant / show role should be tabular format
    * [HIVE-6217] - Refactor Beeline's JDBC connection to use property map instead of long url
    * [HIVE-6221] - Optimize stats based queries in presence of filter 
    * [HIVE-6228] - Use paths consistently - VII
    * [HIVE-6248] - HCatReader/Writer should hide Hadoop and Hive classes
    * [HIVE-6256] - add batch dropping of partitions to Hive metastore (as well as to dropTable)
    * [HIVE-6288] - MSCK can be slow when adding partitions
    * [HIVE-6304] - Update HCatReader/Writer docs to reflect recent changes
    * [HIVE-6325] - Enable using multiple concurrent sessions in tez
    * [HIVE-6327] - A few mathematic functions don't take decimal input
    * [HIVE-6339] - Implement new JDK7 schema management APIs in java.sql.Connection 
    * [HIVE-6342] - hive drop partitions should use standard expr filter instead of some custom class 
    * [HIVE-6378] - HCatClient::createTable() doesn't allow SerDe class to be specified
    * [HIVE-6385] - UDF degrees() doesn't take decimal as input
    * [HIVE-6393] - Support unqualified column references in Joining conditions
    * [HIVE-6410] - Allow output serializations separators to be set for HDFS path as well.
    * [HIVE-6418] - MapJoinRowContainer has large memory overhead in typical cases
    * [HIVE-6429] - MapJoinKey has large memory overhead in typical cases
    * [HIVE-6456] - Implement Parquet schema evolution
    * [HIVE-6457] - Ensure Parquet integration has good error messages for data types not supported
    * [HIVE-6459] - Change the precison/scale for intermediate sum result in the avg() udf 
    * [HIVE-6481] - Add .reviewboardrc file
    * [HIVE-6484] - HiveServer2 doAs should be session aware both for secured and unsecured session implementation.
    * [HIVE-6486] - Support secure Subject.doAs() in HiveServer2 JDBC client.
    * [HIVE-6587] - allow specifying additional Hive classpath for Hadoop
    * [HIVE-6613] - Control when spcific Inputs / Outputs are started
    * [HIVE-6697] - HiveServer2 secure thrift/http authentication needs to support SPNego 
    * [HIVE-6703] - Tez should store SHA of the jar when uploading to cache
    * [HIVE-6738] - HiveServer2 secure Thrift/HTTP needs to accept doAs parameter from proxying intermediary
    * [HIVE-6743] - Allow specifying the log level for Tez tasks
    * [HIVE-6825] - custom jars for Hive query should be uploaded to scratch dir per query; and/or versioned
    * [HIVE-6876] - Logging information should include thread id

** New Feature
    * [HIVE-784] - Support uncorrelated subqueries in the WHERE clause
    * [HIVE-1466] - Add NULL DEFINED AS to ROW FORMAT specification
    * [HIVE-2093] - create/drop database should populate inputs/outputs and check concurrency and user permission
    * [HIVE-3976] - Support specifying scale and precision with Hive decimal type
    * [HIVE-4660] - Let there be Tez
    * [HIVE-4943] - An explode function that includes the item's position in the array
    * [HIVE-5191] - Add char data type
    * [HIVE-5294] - Create collect UDF and make evaluator reusable
    * [HIVE-5324] - Extend record writer and ORC reader/writer interfaces to provide statistics
    * [HIVE-5325] - Implement statistics providing ORC writer and reader interfaces
    * [HIVE-5369] - Annotate hive operator tree with statistics from metastore
    * [HIVE-5562] - Provide stripe level column statistics in ORC
    * [HIVE-5613] - Subquery support: disallow nesting of SubQueries
    * [HIVE-5614] - Subquery support: allow subquery expressions in having clause
    * [HIVE-5615] - Subquery support: more tests
    * [HIVE-5783] - Native Parquet Support in Hive
    * [HIVE-5795] - Hive should be able to skip header and footer rows when reading data file for a table
    * [HIVE-5814] - Add DATE, TIMESTAMP, DECIMAL, CHAR, VARCHAR types support in HCat
    * [HIVE-5908] - Use map-join hint to cache intermediate result
    * [HIVE-6006] - Add UDF to calculate distance between geographic coordinates
    * [HIVE-6098] - Merge Tez branch into trunk
    * [HIVE-6100] - Introduce basic set operations as UDFs
    * [HIVE-6192] - Optimize sum(1) to answer query using metadata
    * [HIVE-6226] - It should be possible to get hadoop, hive, and pig version being used by WebHCat
    * [HIVE-6324] - Determine hive version using hive API or hive CLI
    * [HIVE-6455] - Scalable dynamic partitioning and bucketing optimization
    * [HIVE-6466] - Add support for pluggable authentication modules (PAM) in Hive
    * [HIVE-6492] - limit partition number involved in a table scan
    * [HIVE-6500] - Stats collection via filesystem
    * [HIVE-6578] - Use ORC file footer statistics through StatsProvidingRecordReader interface for analyze command


** Task
    * [HIVE-2974] - Add online docs for from_utc_timestamp() and to_utc_timestamp()
    * [HIVE-4583] - Make Hive compile and run with JDK7
    * [HIVE-4856] - Upgrade HCat to 2.0.5-alpha
    * [HIVE-4862] - Create automatic Precommit testing
    * [HIVE-5154] - Remove unnecessary array creation in ReduceSinkOperator
    * [HIVE-5354] - Decimal precision/scale support in ORC file
    * [HIVE-5355] - JDBC support for decimal precision/scale
    * [HIVE-5356] - Move arithmatic UDFs to generic UDF implementations
    * [HIVE-5443] - Few hadoop2 .q.out needs to be updated
    * [HIVE-5450] - pTest2 TestReportParser is failing due to .svn directory
    * [HIVE-5500] - Update Brock Noland's username on credits page
    * [HIVE-5564] - Need to accomodate table decimal columns that were defined prior to HIVE-3976
    * [HIVE-5565] - Limit Hive decimal type maximum precision and scale to 38
    * [HIVE-5644] - Update PMC status for Thejas and Brock
    * [HIVE-5670] - annoying ZK exceptions are annoying
    * [HIVE-5704] - A couple of generic UDFs are not in the right folder/package
    * [HIVE-5706] - Move a few numeric UDFs to generic implementations
    * [HIVE-5885] - Add myself and Jitendra to committer list
    * [HIVE-5886] - [Refactor] Remove unused class JobCloseFeedback
    * [HIVE-6197] - Use paths consistently - VI
    * [HIVE-6368] - Document parquet on hive wiki
    * [HIVE-6629] - Change SET ROLE NONE to SET ROLE ALL
    * [HIVE-6723] - Tez golden files need to be updated
    * [HIVE-6767] - Golden file updates for hadoop-2
    * [HIVE-6827] - Disable insecure commands with std sql auth
    * [HIVE-6849] - Golden files update for hadoop-2


** Test
    * [HIVE-5289] - PTest2 should disable checking of libraries during batch exec
    * [HIVE-5290] - Some HCatalog tests have been behaving flaky
    * [HIVE-5537] - Add a test for ThriftCLIService async execution to ThriftCLIServiceTest
    * [HIVE-5637] - Sporadic minimr test failure
    * [HIVE-5693] - Rewrite some tests to reduce test time
    * [HIVE-6010] - create a test that would ensure vectorization produces same results as non-vectorized execution
    * [HIVE-6196] - Incorrect package name for few tests.


** Wish
    * [HIVE-3015] - org.apache.hadoop.hive.jdbc.HiveResultSetMetaData.getColumnClassName Method not supported
    * [HIVE-5938] - Remove apache.mina dependency for test

Release Notes - Hive - Version 0.12.0

** Sub-task
    * [HIVE-2304] - Support PreparedStatement.setObject
    * [HIVE-4055] - add Date data type
    * [HIVE-4266] - Refactor HCatalog code to org.apache.hive.hcatalog
    * [HIVE-4324] - ORC Turn off dictionary encoding when number of distinct keys is greater than threshold
    * [HIVE-4355] - HCatalog test TestPigHCatUtil might fail on JDK7
    * [HIVE-4460] - Publish HCatalog artifacts for Hadoop 2.x
    * [HIVE-4478] - In ORC, add boolean noNulls flag to column stripe metadata
    * [HIVE-4626] - join_vc.q is not deterministic
    * [HIVE-4646] - skewjoin.q is failing in hadoop2
    * [HIVE-4690] - stats_partscan_1.q makes different result with different hadhoop.mr.rev 
    * [HIVE-4708] - Fix TestCliDriver.combine2.q on 0.23
    * [HIVE-4711] - Fix TestCliDriver.list_bucket_query_oneskew_{1,2,3}.q on 0.23
    * [HIVE-4712] - Fix TestCliDriver.truncate_* on 0.23
    * [HIVE-4713] - Fix TestCliDriver.skewjoin_union_remove_{1,2}.q on 0.23
    * [HIVE-4715] - Fix TestCliDriver.{recursive_dir.q,sample_islocalmode_hook.q,input12.q,input39.q,auto_join14.q} on 0.23
    * [HIVE-4717] - Fix non-deterministic TestCliDriver on 0.23
    * [HIVE-4721] - Fix TestCliDriver.ptf_npath.q on 0.23
    * [HIVE-4746] - Fix TestCliDriver.list_bucket_dml_{2,4,5,9,12,13}.q on 0.23
    * [HIVE-4750] - Fix TestCliDriver.list_bucket_dml_{6,7,8}.q on 0.23
    * [HIVE-4756] - Upgrade Hadoop 0.23 profile to 2.0.5-alpha
    * [HIVE-4761] - ZooKeeperHiveLockManage.unlockPrimitive has race condition with threads
    * [HIVE-4762] - HMS cannot handle concurrent requests
    * [HIVE-4763] - add support for thrift over http transport in HS2
    * [HIVE-4767] - ObjectStore.getPMF has concurrency problems
    * [HIVE-4871] - Apache builds fail with Target "make-pom" does not exist in the project "hcatalog".
    * [HIVE-4894] - Update maven coordinates of HCatalog artifacts
    * [HIVE-4895] - Move all HCatalog classes to org.apache.hive.hcatalog
    * [HIVE-4896] - create binary backwards compatibility layer hcatalog 0.12 and 0.11
    * [HIVE-4908] - rename templeton to webhcat?
    * [HIVE-4940] - udaf_percentile_approx.q is not deterministic
    * [HIVE-4980] - Fix the compiling error in TestHadoop20SAuthBridge
    * [HIVE-5013] - [HCatalog] Create hcat.py, hcat_server.py to make HCatalog work on Windows
    * [HIVE-5014] - [HCatalog] Fix HCatalog build issue on Windows
    * [HIVE-5015] - [HCatalog] Fix HCatalog unit tests on Windows
    * [HIVE-5028] - Some tests with fail OutOfMemoryError PermGen Space on Hadoop2
    * [HIVE-5035] - [WebHCat] Hardening parameters for Windows
    * [HIVE-5036] - [WebHCat] Add cmd script for WebHCat
    * [HIVE-5063] - Fix some non-deterministic or not-updated tests
    * [HIVE-5066] - [WebHCat] Other code fixes for Windows
    * [HIVE-5069] - Tests on list bucketing are failing again in hadoop2
    * [HIVE-5078] - [WebHCat] Fix e2e tests on Windows plus test cases for new features
    * [HIVE-5163] - refactor org.apache.hadoop.mapred.HCatMapRedUtil
    * [HIVE-5213] - remove hcatalog/shims directory
    * [HIVE-5233] - move hbase storage handler to org.apache.hcatalog package
    * [HIVE-5236] - Change HCatalog spacing from 4 spaces to 2
    * [HIVE-5260] - Introduce HivePassThroughOutputFormat that allows Hive to use general purpose OutputFormats instead of HiveOutputFormats in StorageHandlers
    * [HIVE-5261] - Make the Hive HBase storage handler work from HCatalog, and use HiveStorageHandlers instead of HCatStorageHandlers


** Bug
    * [HIVE-2015] - Eliminate bogus Datanucleus.Plugin Bundle ERROR log messages
    * [HIVE-2379] - Hive/HBase integration could be improved
    * [HIVE-2473] - Hive throws an NPE when $HADOOP_HOME points to a tarball install directory that contains a build/ subdirectory.
    * [HIVE-2702] - Enhance listPartitionsByFilter to add support for integral types both for equality and non-equality
    * [HIVE-2905] - Desc table can't show non-ascii comments
    * [HIVE-3189] - cast ( <string type> as bigint) returning null values
    * [HIVE-3191] - timestamp - timestamp causes null pointer exception
    * [HIVE-3253] - ArrayIndexOutOfBounds exception for deeply nested structs
    * [HIVE-3256] - Update asm version in Hive
    * [HIVE-3264] - Add support for binary dataype to AvroSerde
    * [HIVE-3475] - INLINE UDTF doesn't convert types properly
    * [HIVE-3562] - Some limit can be pushed down to map stage
    * [HIVE-3588] - Get Hive to work with hbase 94
    * [HIVE-3632] - Upgrade datanucleus to support JDK7
    * [HIVE-3691] - TestDynamicSerDe failed with IBM JDK
    * [HIVE-3756] - "LOAD DATA" does not honor permission inheritence
    * [HIVE-3772] - Fix a concurrency bug in LazyBinaryUtils due to a static field
    * [HIVE-3810] - HiveHistory.log need to replace '\r' with space before writing Entry.value to historyfile
    * [HIVE-3846] - alter view rename NPEs with authorization on.
    * [HIVE-3891] - physical optimizer changes for auto sort-merge join
    * [HIVE-3926] - PPD on virtual column of partitioned table is not working
    * [HIVE-3953] - Reading of partitioned Avro data fails because of missing properties
    * [HIVE-3957] - Add pseudo-BNF grammar for RCFile to Javadoc
    * [HIVE-3978] - HIVE_AUX_JARS_PATH should have : instead of , as separator since it gets appended to HADOOP_CLASSPATH
    * [HIVE-4003] - NullPointerException in exec.Utilities
    * [HIVE-4051] - Hive's metastore suffers from 1+N queries when querying partitions & is slow
    * [HIVE-4057] - LazyHBaseRow may return cache data if the field is null and make the result wrong
    * [HIVE-4089] - javax.jdo : jdo2-api dependency not in Maven Central
    * [HIVE-4106] - SMB joins fail in multi-way joins
    * [HIVE-4171] - Current database in metastore.Hive is not consistent with SessionState
    * [HIVE-4181] - Star argument without table alias for UDTF is not working
    * [HIVE-4194] - JDBC2: HiveDriver should not throw RuntimeException when passed an invalid URL
    * [HIVE-4214] - OVER accepts general expression instead of just function
    * [HIVE-4222] - Timestamp type constants cannot be deserialized in JDK 1.6 or less
    * [HIVE-4233] - The TGT gotten from class 'CLIService'  should be renewed on time
    * [HIVE-4251] - Indices can't be built on tables whose schema info comes from SerDe
    * [HIVE-4290] - Build profiles: Partial builds for quicker dev
    * [HIVE-4295] - Lateral view makes invalid result if CP is disabled
    * [HIVE-4299] - exported metadata by HIVE-3068 cannot be imported because of wrong file name
    * [HIVE-4300] - ant thriftif  generated code that is checkedin is not up-to-date
    * [HIVE-4322] - SkewedInfo in Metastore Thrift API cannot be deserialized in Python
    * [HIVE-4339] - build fails after branch (hcatalog version not updated)
    * [HIVE-4343] - HS2 with kerberos- local task for map join fails
    * [HIVE-4344] - CREATE VIEW fails when redundant casts are rewritten
    * [HIVE-4347] - Hcatalog build fail on Windows because javadoc command exceed length limit
    * [HIVE-4348] - Unit test compile fail at hbase-handler project on Windows becuase of illegal escape character
    * [HIVE-4350] - support AS keyword for table alias
    * [HIVE-4351] - Thrift code generation fails due to hcatalog
    * [HIVE-4364] - beeline always exits with 0 status, should exit with non-zero status on error
    * [HIVE-4369] - Many new failures on hadoop 2
    * [HIVE-4375] - Single sourced multi insert consists of native and non-native table mixed throws NPE
    * [HIVE-4377] - Add more comment to https://reviews.facebook.net/D1209 (HIVE-2340)
    * [HIVE-4392] - Illogical InvalidObjectException throwed when use mulit aggregate functions with star columns 
    * [HIVE-4403] - Running Hive queries on Yarn (MR2) gives warnings related to overriding final parameters
    * [HIVE-4406] - Missing "/" or "/<dbname>" in hs2 jdbc uri switches mode to embedded mode
    * [HIVE-4407] - TestHCatStorer.testStoreFuncAllSimpleTypes fails because of null case difference
    * [HIVE-4418] - TestNegativeCliDriver failure message if cmd succeeds is misleading
    * [HIVE-4421] - Improve memory usage by ORC dictionaries
    * [HIVE-4422] - Test output need to be updated for Windows only unit test in TestCliDriver
    * [HIVE-4424] - MetaStoreUtils.java.orig checked in mistakenly by HIVE-4409
    * [HIVE-4428] - Misspelling in describe extended output
    * [HIVE-4430] - Semantic analysis fails in presence of certain literals in on clause
    * [HIVE-4433] - Fix C++ Thrift bindings broken in HIVE-4322
    * [HIVE-4435] - Column stats: Distinct value estimator should use hash functions that are pairwise independent
    * [HIVE-4436] - hive.exec.parallel=true doesn't work on hadoop-2
    * [HIVE-4438] - Remove unused join configuration parameter: hive.mapjoin.size.key
    * [HIVE-4439] - Remove unused join configuration parameter: hive.mapjoin.cache.numrows
    * [HIVE-4440] - SMB Operator spills to disk like it's 1999
    * [HIVE-4441] - [HCatalog] WebHCat does not honor user home directory
    * [HIVE-4442] - [HCatalog] WebHCat should not override user.name parameter for Queue call
    * [HIVE-4465] - webhcat e2e tests succeed regardless of exitvalue
    * [HIVE-4466] - Fix continue.on.failure in unit tests to -well- continue on failure in unit tests
    * [HIVE-4471] - Build fails with hcatalog checkstyle error
    * [HIVE-4474] - Column access not tracked properly for partitioned tables
    * [HIVE-4475] - Switch RCFile default to LazyBinaryColumnarSerDe
    * [HIVE-4486] - FetchOperator slows down SMB map joins by 50% when there are many partitions
    * [HIVE-4487] - Hive does not set explicit permissions on hive.exec.scratchdir
    * [HIVE-4489] - beeline always return the same error message twice
    * [HIVE-4492] - Revert HIVE-4322
    * [HIVE-4496] - JDBC2 won't compile with JDK7
    * [HIVE-4497] - beeline module tests don't get run by default
    * [HIVE-4502] - NPE - subquery smb joins fails
    * [HIVE-4510] - HS2 doesn't nest exceptions properly (fun debug times)
    * [HIVE-4513] - disable hivehistory logs by default
    * [HIVE-4516] - Fix concurrency bug in serde/src/java/org/apache/hadoop/hive/serde2/io/TimestampWritable.java
    * [HIVE-4521] - Auto join conversion fails in certain cases (empty tables, empty partitions, no partitions)
    * [HIVE-4525] - Support timestamps earlier than 1970 and later than 2038
    * [HIVE-4535] - hive build fails with hadoop 0.20
    * [HIVE-4540] - JOIN-GRP BY-DISTINCT fails with NPE when mapjoin.mapreduce=true
    * [HIVE-4542] - TestJdbcDriver2.testMetaDataGetSchemas fails because of unexpected database
    * [HIVE-4543] - Broken link in HCat 0.5 doc (Reader and Writer Interfaces)
    * [HIVE-4546] - Hive CLI leaves behind the per session resource directory on non-interactive invocation
    * [HIVE-4547] - A complex create view statement fails with new Antlr 3.4
    * [HIVE-4550] - local_mapred_error_cache fails on some hadoop versions
    * [HIVE-4554] - Failed to create a table from existing file if file path has spaces
    * [HIVE-4559] - hcatalog/webhcat scripts in tar.gz don't have execute permissions set
    * [HIVE-4562] - HIVE-3393 brought in Jackson library,and these four jars should be packed into hive-exec.jar
    * [HIVE-4566] - NullPointerException if typeinfo and nativesql commands are executed at beeline before a DB connection is established
    * [HIVE-4572] - ColumnPruner cannot preserve RS key columns corresponding to un-selected join keys in columnExprMap
    * [HIVE-4573] - Support alternate table types for HiveServer2
    * [HIVE-4578] - Changes to Pig's test harness broke HCat e2e tests
    * [HIVE-4580] - Change DDLTask to report errors using canonical error messages rather than http status codes
    * [HIVE-4581] - HCat e2e tests broken by changes to Hive's describe table formatting
    * [HIVE-4585] - Remove unused MR Temp file localization from Tasks
    * [HIVE-4586] - [HCatalog] WebHCat should return 404 error for undefined resource
    * [HIVE-4589] - Hive Load command failed when inpath contains space or any restricted characters
    * [HIVE-4591] - Making changes to webhcat-site.xml have no effect
    * [HIVE-4593] - ErrorMsg has several messages that reuse the same error code
    * [HIVE-4611] - SMB joins fail based on bigtable selection policy.
    * [HIVE-4615] - Invalid column names allowed when created dynamically by a SerDe
    * [HIVE-4618] - show create table creating unusable DDL when field delimiter is \001
    * [HIVE-4619] - Hive 0.11.0 is not working with pre-cdh3u6 and hadoop-0.23
    * [HIVE-4638] - Thread local PerfLog can get shared by multiple hiveserver2 sessions
    * [HIVE-4650] - Getting Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask on auto convert to MapJoin after upgrade to Hive-0.11.0.x from hive-0.10.0.x
    * [HIVE-4657] - HCatalog checkstyle violation after HIVE-2670 
    * [HIVE-4677] - [HCatalog] WebHCat e2e tests fail on Hadoop 2
    * [HIVE-4679] - WebHCat can deadlock Hadoop if the number of concurrently running tasks if higher or equal than the number of mappers
    * [HIVE-4683] - fix coverage org.apache.hadoop.hive.cli
    * [HIVE-4689] - For outerjoins, joinEmitInterval might make wrong result
    * [HIVE-4691] - orc_createas1.q has minor inconsistency
    * [HIVE-4692] - Constant agg parameters will be replaced by ExprNodeColumnDesc with single-sourced multi-gby cases
    * [HIVE-4696] - WebHCat e2e test framework is missing files and instructions
    * [HIVE-4707] - Support configurable domain name for HiveServer2 LDAP authentication using Active Directory
    * [HIVE-4710] - ant maven-build -Dmvn.publish.repo=local fails
    * [HIVE-4724] - ORC readers should have a better error detection for non-ORC files
    * [HIVE-4730] - Join on more than 2^31 records on single reducer failed (wrong results)
    * [HIVE-4733] - HiveLockObjectData is not compared properly
    * [HIVE-4740] - HIVE-2379 is missing hbase.jar itself
    * [HIVE-4742] - A useless CAST makes Hive fail to create a VIEW based on an UNION
    * [HIVE-4748] - Fix TempletonUtilsTest failure on Windows
    * [HIVE-4757] - LazyTimestamp goes into irretrievable NULL mode once inited with NULL once
    * [HIVE-4781] - LEFT SEMI JOIN generates wrong results when the number of rows belonging to a single key of the right table exceed hive.join.emit.interval
    * [HIVE-4784] - ant testreport doesn't include any HCatalog tests
    * [HIVE-4785] - Implement isCaseSensitive for Hive JDBC driver
    * [HIVE-4789] - FetchOperator fails on partitioned Avro data
    * [HIVE-4798] - NPE when we call isSame from an instance of ExprNodeConstantDesc with null value
    * [HIVE-4802] - Fix url check for missing "/" or "/<db> after hostname in jdb uri
    * [HIVE-4804] - parallel order by fails for small datasets
    * [HIVE-4807] - Hive metastore hangs
    * [HIVE-4808] - WebHCat job submission is killed by TaskTracker since it's not sending a heartbeat properly
    * [HIVE-4810] - Refactor exec package
    * [HIVE-4811] - (Slightly) break up the SemanticAnalyzer monstrosity
    * [HIVE-4812] - Logical explain plan
    * [HIVE-4814] - Adjust WebHCat e2e tests until HIVE-4703 is addressed
    * [HIVE-4818] - SequenceId in operator is not thread safe
    * [HIVE-4820] - webhcat_config.sh should set default values for HIVE_HOME and HCAT_PREFIX that work with default build tree structure
    * [HIVE-4829] - TestWebHCatE2e checkstyle violation causes all tests to fail
    * [HIVE-4830] - Test clientnegative/nested_complex_neg.q got broken due to 4580
    * [HIVE-4833] - Fix eclipse template classpath to include the correct jdo lib
    * [HIVE-4836] - make checkstyle ignore IntelliJ files and templeton e2e files
    * [HIVE-4838] - Refactor MapJoin HashMap code to improve testability and readability
    * [HIVE-4839] - build-common.xml has <property name="hive.root" location="${basedir}"/..>
    * [HIVE-4840] - Fix eclipse template classpath to include the BoneCP lib
    * [HIVE-4843] - Refactoring MapRedTask and ExecDriver for better re-usability (for tez) and readability
    * [HIVE-4845] - Correctness issue with MapJoins using the null safe operator
    * [HIVE-4852] - -Dbuild.profile=core fails
    * [HIVE-4853] - junit timeout needs to be updated
    * [HIVE-4854] - testCliDriver_load_hdfs_file_with_space_in_the_name fails on hadoop 2
    * [HIVE-4865] - HiveLockObjects: Unlocking retries/times out when query contains ":"
    * [HIVE-4869] - Clean up HCatalog build post Hive integration 
    * [HIVE-4870] - Explain Extended to show partition info for Fetch Task
    * [HIVE-4875] - hive config template is not parse-able due to angle brackets in description
    * [HIVE-4876] - Beeling help text do not contain -f and -e parameters
    * [HIVE-4878] - With Dynamic partitioning, some queries would scan default partition even if query is not using it.
    * [HIVE-4883] - TestHadoop20SAuthBridge tests fail sometimes because of race condition
    * [HIVE-4891] - Distinct includes duplicate records
    * [HIVE-4892] - PTest2 cleanup after merge
    * [HIVE-4893] - [WebHCat] HTTP 500 errors should be mapped to 400 for bad request
    * [HIVE-4899] - Hive returns non-meanful error message for ill-formed fs.default.name
    * [HIVE-4900] - Fix the mismatched column names in package.jdo
    * [HIVE-4915] - unit tests fail on windows because of difference in input file size
    * [HIVE-4927] - When we merge two MapJoin MapRedTasks, the TableScanOperator of the second one should be removed
    * [HIVE-4928] - Date literals do not work properly in partition spec clause
    * [HIVE-4929] - the type of all numeric constants is changed to double in the plan
    * [HIVE-4930] - Classes of metastore should not be included MR-task
    * [HIVE-4932] - PTFOperator fails resetting PTFPersistence
    * [HIVE-4935] - Potential NPE in MetadataOnlyOptimizer
    * [HIVE-4942] - Fix eclipse template files to use correct datanucleus libs
    * [HIVE-4951] - combine2_win.q.out needs update for HIVE-3253 (increasing nesting levels)
    * [HIVE-4952] - When hive.join.emit.interval is small, queries optimized by Correlation Optimizer may generate wrong results
    * [HIVE-4955] - serde_user_properties.q.out needs to be updated
    * [HIVE-4962] - fix eclipse template broken by HIVE-3256
    * [HIVE-4964] - Cleanup PTF code: remove code dealing with non standard sql behavior we had original introduced
    * [HIVE-4968] - When deduplicating multiple SelectOperators, we should update RowResolver accordinly
    * [HIVE-4970] - BinaryConverter does not respect nulls
    * [HIVE-4972] - update code generated by thrift for DemuxOperator and MuxOperator
    * [HIVE-4987] - Javadoc can generate argument list too long error
    * [HIVE-4990] - ORC seeks fails with non-zero offset or column projection
    * [HIVE-4991] - hive build with 0.20 is broken
    * [HIVE-4995] - select * may incorrectly return empty fields with hbase-handler
    * [HIVE-4998] - support jdbc documented table types in default configuration
    * [HIVE-5010] - HCatalog maven integration doesn't override mvn.local.repo in two locations
    * [HIVE-5012] - [HCatalog] Make HCatalog work on Windows
    * [HIVE-5017] - DBTokenStore gives compiler warnings
    * [HIVE-5023] - Hive get wrong result when partition has the same path but different schema or authority
    * [HIVE-5026] - HIVE-3926 is committed in the state of not rebased to trunk
    * [HIVE-5034] - [WebHCat] Make WebHCat work for Windows
    * [HIVE-5046] - Hcatalog's bin/hcat script doesn't respect HIVE_HOME
    * [HIVE-5047] - Hive client filters partitions incorrectly via pushdown in certain cases involving "or"
    * [HIVE-5048] - StorageBasedAuthorization provider causes an NPE when asked to authorize from client side.
    * [HIVE-5049] - Create an ORC test case that has a 0.11 ORC file
    * [HIVE-5051] - StorageBasedAuthorizationProvider masks lower level exception with IllegalStateException
    * [HIVE-5055] - SessionState temp file gets created in history file directory
    * [HIVE-5056] - MapJoinProcessor ignores order of values in removing RS
    * [HIVE-5060] - JDBC driver assumes executeStatement is synchronous
    * [HIVE-5061] - Row sampling throws NPE when used in sub-query
    * [HIVE-5075] - bug in ExprProcFactory.genPruner
    * [HIVE-5079] - Make Hive compile under Windows
    * [HIVE-5084] - Fix newline.q on Windows
    * [HIVE-5085] - Hive Metatool errors out if HIVE_OPTS is set
    * [HIVE-5087] - Rename npath UDF to matchpath
    * [HIVE-5089] - Non query PreparedStatements are always failing on remote HiveServer2
    * [HIVE-5091] - ORC files should have an option to pad stripes to the HDFS block boundaries
    * [HIVE-5100] -  RCFile::sync(long)  missing 1 byte in System.arraycopy()
    * [HIVE-5104] - HCatStorer fails to store boolean type
    * [HIVE-5105] - HCatSchema.remove(HCatFieldSchema hcatFieldSchema) does not clean up fieldPositionMap
    * [HIVE-5106] - HCatFieldSchema overrides equals() but not hashCode()
    * [HIVE-5120] - document what hive.server2.thrift.sasl.qop values mean in hive-default.xml.template
    * [HIVE-5122] - Add partition for multiple partition ignores locations for non-first partitions
    * [HIVE-5123] - group by on a same key producing wrong result
    * [HIVE-5127] - Upgrade xerces and xalan for WebHCat
    * [HIVE-5128] - Direct SQL for view is failing 
    * [HIVE-5129] - Multiple table insert fails on count(distinct)
    * [HIVE-5131] - JDBC client's hive variables are not passed to HS2
    * [HIVE-5137] - A Hive SQL query should not return a ResultSet when the underlying plan does not include a FetchTask
    * [HIVE-5144] - HashTableSink allocates empty new Object[] arrays & OOMs - use a static emptyRow instead
    * [HIVE-5145] - Fix TestCliDriver.list_bucket_query_multiskew_2.q on hadoop 0.23
    * [HIVE-5149] - ReduceSinkDeDuplication can pick the wrong partitioning columns
    * [HIVE-5156] - HiveServer2 jdbc ResultSet.close should free up resources on server side
    * [HIVE-5161] - Additional SerDe support for varchar type
    * [HIVE-5167] - webhcat_config.sh checks for env variables being set before sourcing webhcat-env.sh
    * [HIVE-5196] - ThriftCLIService.java uses stderr to print the stack trace, it should use the logger instead.
    * [HIVE-5198] - WebHCat returns exitcode 143 (w/o an explanation)
    * [HIVE-5199] - Custom SerDe containing a nonSettable complex data type row object inspector throws cast exception with HIVE 0.11
    * [HIVE-5203] - FunctionRegistry.getMethodInternal() should prefer method arguments with closer affinity to the original argument types
    * [HIVE-5210] - WebHCatJTShim implementations are missing Apache license headers
    * [HIVE-5239] - LazyDate goes into irretrievable NULL mode once inited with NULL once
    * [HIVE-5241] - Default log4j log level for WebHCat should be INFO not DEBUG
    * [HIVE-5246] -  Local task for map join submitted via oozie job fails on a secure HDFS
    * [HIVE-5255] - Missing metastore schema files for version 0.11
    * [HIVE-5265] - Direct SQL fallback broken on Postgres
    * [HIVE-5274] - HCatalog package renaming backward compatibility follow-up
    * [HIVE-5285] - Custom SerDes throw cast exception when there are complex nested structures containing NonSettableObjectInspectors.
    * [HIVE-5292] - Join on decimal columns fails to return rows
    * [HIVE-5296] - Memory leak: OOM Error after multiple open/closed JDBC connections. 
    * [HIVE-5297] - Hive does not honor type for partition columns
    * [HIVE-5301] - Add a schema tool for offline metastore schema upgrade
    * [HIVE-5322] - FsPermission is initialized incorrectly in HIVE 5513
    * [HIVE-5329] - Date and timestamp type converts invalid strings to '1970-01-01'
    * [HIVE-5337] - org.apache.hcatalog.common.HCatUtil is used by org.apache.hive.hcatalog.templeton.tool
    * [HIVE-5352] - cast('1.0' as int) returns null
    * [HIVE-5357] - ReduceSinkDeDuplication optimizer pick the wrong keys in pRS-cGBYm-cRS-cGBYr scenario when there are distinct keys in child GBY
    * [HIVE-5362] - TestHCatHBaseInputFormat has a bug which will not allow it to run on JDK7 and RHEL 6
    * [HIVE-5364] - NPE on some queries from partitioned orc table
    * [HIVE-5374] - hive-schema-0.13.0.postgres.sql doesn't work
    * [HIVE-5375] - Bug in Hive-0.12 branch with parameterized types due to merge conflict with HIVE-5199
    * [HIVE-5394] - ObjectInspectorConverters.getConvertedOI() does not return the correct object inspector for primitive type.
    * [HIVE-5401] - Array Out Of Bounds in OrcRecordReader
    * [HIVE-5402] - StorageBasedAuthorizationProvider is not correctly able to determine that it is running from client-side
    * [HIVE-5405] - Need to implement PersistenceDelegate for org.antlr.runtime.CommonToken
    * [HIVE-5410] - Hive command line option --auxpath still does not work post HIVE-5363
    * [HIVE-5413] - StorageDelegationAuthorizationProvider uses non-existent org.apache.hive.hcatalog.hbase.HBaseHCatStorageHandler
    * [HIVE-5416] - templeton/tests/jobsubmission2.conf erroneously removed
    * [HIVE-5419] - Fix schema tool issues with Oracle metastore 
    * [HIVE-5426] - TestThriftBinaryCLIService tests fail on branch 0.12
    * [HIVE-5429] - HiveVarcharWritable length not reset when value is changed
    * [HIVE-5431] - PassthroughOutputFormat SH changes causes IllegalArgumentException
    * [HIVE-5433] - Fix varchar unit tests to work with hadoop-2.1.1
    * [HIVE-5476] - Authorization-provider tests fail in sequential run
    * [HIVE-5477] - maven-publish fails because it can't find hive-metastore-0.12.0.pom
    * [HIVE-5488] - some files are missing apache license headers
    * [HIVE-5489] - NOTICE copyright dates are out of date, README needs update
    * [HIVE-5493] - duplicate jars with different versions for guava, commons-logging
    * [HIVE-5497] - Hive trunk broken against hadoop 0.20.2


** Improvement
    * [HIVE-2084] - Upgrade datanucleus from 2.0.3 to a more recent version (3.?)
    * [HIVE-2608] - Do not require AS a,b,c part in LATERAL VIEW
    * [HIVE-2906] - Support providing some table properties by user via SQL
    * [HIVE-3603] - Enable client-side caching for scans on HBase
    * [HIVE-3725] - Add support for pulling HBase columns with prefixes
    * [HIVE-3764] - Support metastore version consistency check
    * [HIVE-3807] - Hive authorization should use short username when Kerberos authentication
    * [HIVE-4002] - Fetch task aggregation for simple group by query
    * [HIVE-4068] - Size of aggregation buffer which uses non-primitive type is not estimated correctly
    * [HIVE-4172] - JDBC2 does not support VOID type
    * [HIVE-4209] - Cache evaluation result of deterministic expression and reuse it
    * [HIVE-4228] - Bump up hadoop2 version in trunk
    * [HIVE-4241] - optimize hive.enforce.sorting and hive.enforce bucketing join
    * [HIVE-4268] - Beeline should support the -f option
    * [HIVE-4294] - Single sourced multi query cannot handle lateral view
    * [HIVE-4310] - optimize count(distinct) with hive.map.groupby.sorted
    * [HIVE-4393] - Make the deleteData flag accessable from DropTable/Partition events
    * [HIVE-4409] - Prevent incompatible column type changes
    * [HIVE-4423] - Improve RCFile::sync(long) 10x
    * [HIVE-4443] - [HCatalog] Have an option for GET queue to return all job information in single call 
    * [HIVE-4444] - [HCatalog] WebHCat Hive should support equivalent parameters as Pig 
    * [HIVE-4459] - Script hcat is overriding HIVE_CONF_DIR variable
    * [HIVE-4530] - Enforce minmum ant version required in build script 
    * [HIVE-4549] - JDBC compliance change TABLE_SCHEMA to TABLE_SCHEM
    * [HIVE-4579] - Create a SARG interface for RecordReaders
    * [HIVE-4588] - Support session level hooks for HiveServer2
    * [HIVE-4601] - WebHCat needs to support proxy users
    * [HIVE-4609] - Allow hive tests to specify an alternative to /tmp
    * [HIVE-4610] - HCatalog checkstyle violation after HIVE-4578
    * [HIVE-4617] - Asynchronous execution in HiveServer2 to run a query in non-blocking mode
    * [HIVE-4620] - MR temp directory conflicts in case of parallel execution mode
    * [HIVE-4647] - RetryingHMSHandler logs too many error messages
    * [HIVE-4658] - Make KW_OUTER optional in outer joins
    * [HIVE-4675] - Create new parallel unit test environment
    * [HIVE-4682] - Temporary files are not closed in PTFPersistence on jvm reuse.
    * [HIVE-4772] - Enable parallel execution of various E2E tests
    * [HIVE-4825] - Separate MapredWork into MapWork and ReduceWork
    * [HIVE-4827] - Merge a Map-only task to its child task
    * [HIVE-4858] - Sort "show grant" result to improve usability and testability
    * [HIVE-4873] - Sort candidate functions in case of UDFArgumentException
    * [HIVE-4874] - Identical methods PTFDeserializer.addOIPropertiestoSerDePropsMap(), PTFTranslator.addOIPropertiestoSerDePropsMap()
    * [HIVE-4877] - In ExecReducer, remove tag from the row which will be passed to the first Operator at the Reduce-side
    * [HIVE-4879] - Window functions that imply order can only be registered at compile time
    * [HIVE-4885] - Alternative object serialization for execution plan in hive testing 
    * [HIVE-4913] - Put deterministic ordering in the top-K ngrams output of UDF context_ngrams()
    * [HIVE-4920] - PTest2 handle Spot Price increases gracefully and improve rsync paralllelsim
    * [HIVE-4948] - WriteLockTest and ZNodeNameTest do not follow test naming pattern
    * [HIVE-4954] - PTFTranslator hardcodes ranking functions
    * [HIVE-4960] - lastAlias in CommonJoinOperator is not used
    * [HIVE-4967] - Don't serialize unnecessary fields in query plan
    * [HIVE-4985] - refactor/clean up partition name pruning to be usable inside metastore server 
    * [HIVE-4992] - add ability to skip javadoc during build
    * [HIVE-5006] - Re-factor HiveServer2 JDBC PreparedStatement to avoid duplicate code
    * [HIVE-5027] - Upgrade Ivy to 2.3
    * [HIVE-5031] - [WebHCat] GET job/:jobid to return userargs for a job in addtion to status information
    * [HIVE-5062] - Insert + orderby + limit does not need additional RS for limiting rows
    * [HIVE-5111] - ExprNodeColumnDesc doesn't distinguish partition and virtual columns, causing partition pruner to receive the latter
    * [HIVE-5121] - Remove obsolete code on SemanticAnalyzer#genJoinTree
    * [HIVE-5158] - allow getting all partitions for table to also use direct SQL path
    * [HIVE-5182] - log more stuff via PerfLogger
    * [HIVE-5206] - Support parameterized primitive types
    * [HIVE-5209] - JDBC support for varchar
    * [HIVE-5267] - Use array instead of Collections if possible in DemuxOperator
    * [HIVE-5278] - Move some string UDFs to GenericUDFs, for better varchar support
    * [HIVE-5363] - HIVE-3978 broke the command line option --auxpath

** New Feature
    * [HIVE-305] - Port Hadoop streaming's counters/status reporters to Hive Transforms
    * [HIVE-1402] - Add parallel ORDER BY to Hive
    * [HIVE-2206] - add a new optimizer for query correlation discovery and optimization
    * [HIVE-2482] - Convenience UDFs for binary data type
    * [HIVE-2517] - Support group by on struct type
    * [HIVE-2655] - Ability to define functions in HQL
    * [HIVE-2670] - A cluster test utility for Hive
    * [HIVE-3255] - Add DBTokenStore to store Delegation Tokens in DB
    * [HIVE-4005] - Column truncation
    * [HIVE-4095] - Add exchange partition in Hive
    * [HIVE-4123] - The RLE encoding for ORC can be improved
    * [HIVE-4246] - Implement predicate pushdown for ORC
    * [HIVE-4531] - [WebHCat] Collecting task logs to hdfs
    * [HIVE-4614] - Support outer lateral view
    * [HIVE-4844] - Add varchar data type
    * [HIVE-4911] - Enable QOP configuration for Hive Server 2 thrift transport
    * [HIVE-4963] - Support in memory PTF partitions


** Task
    * [HIVE-4331] - Integrated StorageHandler for Hive and HCat using the HiveStorageHandler
    * [HIVE-4819] - Comments in CommonJoinOperator for aliasTag is not valid
    * [HIVE-4886] - beeline code should have apache license headers
    * [HIVE-4999] - Shim class HiveHarFileSystem does not have a hadoop2 counterpart
    * [HIVE-5059] - Meaningless warning message from TypeCheckProcFactory
    * [HIVE-5116] - HIVE-2608 didn't removed udtf_not_supported2.q test
    * [HIVE-5219] - Move VerifyingObjectStore into ql package
    * [HIVE-5313] - HIVE-4487 breaks build because 0.20.2 is missing FSPermission(string)


** Test
    * [HIVE-4526] - auto_sortmerge_join_9.q throws NPE but test is succeeded
    * [HIVE-4636] - Failing on TestSemanticAnalysis.testAddReplaceCols in trunk
    * [HIVE-4645] - Stat information like numFiles and totalSize is not correct when sub-directory is exists
    * [HIVE-4743] - Improve test coverage of package org.apache.hadoop.hive.ql.io
    * [HIVE-4779] - Enhance coverage of package org.apache.hadoop.hive.ql.udf
    * [HIVE-4791] - improve test coverage of package org.apache.hadoop.hive.ql.udf.xml
    * [HIVE-4796] - Increase coverage of package org.apache.hadoop.hive.common.metrics
    * [HIVE-4805] - Enhance coverage of package org.apache.hadoop.hive.ql.exec.errors
    * [HIVE-4813] - Improve test coverage of package org.apache.hadoop.hive.ql.optimizer.pcr
    * [HIVE-5029] - direct SQL perf optimization cannot be tested well
    * [HIVE-5096] - Add q file tests for ORC predicate pushdown
    * [HIVE-5117] - orc_dictionary_threshold is not deterministic
    * [HIVE-5147] - Newly added test TestSessionHooks is failing on trunk
    * [HIVE-5197] - TestE2EScenerios.createTaskAttempt should use MapRedUtil


Release Notes - Hive - Version 0.11.0

** Sub-task
    * [HIVE-2340] - optimize orderby followed by a groupby
    * [HIVE-4075] - TypeInfoFactory is not thread safe and is access by multiple threads
    * [HIVE-4141] - InspectorFactories contains static HashMaps which can cause infinite loop
    * [HIVE-4162] - disable TestBeeLineDriver
    * [HIVE-4176] - disable TestBeeLineDriver in ptest util
    * [HIVE-4238] - Integrate HCatalog site into Hive site
    * [HIVE-4263] - Adjust build.xml package command to move all hcat jars and binaries into build
    * [HIVE-4264] - Move HCatalog trunk code from trunk/hcatalog/historical to trunk/hcatalog
    * [HIVE-4265] - HCatalog branches need to move out of trunk/hcatalog/historical
    * [HIVE-4278] - HCat needs to get current Hive jars instead of pulling them from maven repo
    * [HIVE-4325] - Merge HCat NOTICE file with Hive NOTICE file
    * [HIVE-4326] - Clean up remaining items in hive/hcatalog/historical/trunk

** Bug
    * [HIVE-4820] - webhcat_config.sh should set default values for HIVE_HOME and HCAT_PREFIX that work with default build tree structure
    * [HIVE-2264] - Hive server is SHUTTING DOWN when invalid queries beeing executed.
    * [HIVE-2332] - If all of the parameters of distinct functions are exists in group by columns, query fails in runtime
    * [HIVE-2689] - ObjectInspectorConverters cannot convert Void types to Array/Map/Struct types.
    * [HIVE-2723] - should throw  "Ambiguous column reference key"  Exception in particular join condition
    * [HIVE-2794] - Aggregations without grouping should return NULL when applied to partitioning column of a partitionless table
    * [HIVE-2820] - Invalid tag is used for MapJoinProcessor
    * [HIVE-2839] - Filters on outer join with mapjoin hint is not applied correctly
    * [HIVE-3084] - Hive CI failing due to script_broken_pipe1.q
    * [HIVE-3140] - Comment indenting is broken for "describe" in CLI
    * [HIVE-3179] - HBase Handler doesn't handle NULLs properly
    * [HIVE-3197] - Hive compile errors under Java 7 (JDBC 4.1)
    * [HIVE-3297] - change hive.auto.convert.join's default value to true
    * [HIVE-3300] - LOAD DATA INPATH fails if a hdfs file with same name is added to table
    * [HIVE-3308] - Mixing avro and snappy gives null values
    * [HIVE-3348] - semi-colon in comments in .q file does not work
    * [HIVE-3381] - Result of outer join is not valid
    * [HIVE-3384] - HIVE JDBC module won't compile under JDK1.7 as new methods added in JDBC specification
    * [HIVE-3403] - user should not specify mapjoin to perform sort-merge bucketed join
    * [HIVE-3428] - Fix log4j configuration errors when running hive on hadoop23
    * [HIVE-3446] - PrimitiveObjectInspector doesn't handle timestamps properly
    * [HIVE-3464] - Merging join tree may reorder joins which could be invalid
    * [HIVE-3490] - Implement * or a.* for arguments to UDFs
    * [HIVE-3528] - Avro SerDe doesn't handle serializing Nullable types that require access to a Schema
    * [HIVE-3537] - release locks at the end of move tasks
    * [HIVE-3582] - NPE in union processing followed by lateral view followed by 2 group bys
    * [HIVE-3594] - When Group by Partition Column Type is Timestamp or STRING Which Format contains "HH:MM:SS", It will occur URISyntaxException
    * [HIVE-3622] - reflect udf cannot find method which has arguments of primitive types and String, Binary, Timestamp types mixed
    * [HIVE-3631] - script_pipe.q fails when using JDK7
    * [HIVE-3645] - RCFileWriter does not implement the right function to support Federation
    * [HIVE-3648] - HiveMetaStoreFsImpl is not compatible with hadoop viewfs
    * [HIVE-3665] - Allow URIs without port to be specified in metatool
    * [HIVE-3697] - External JAR files on HDFS can lead to race condition with hive.downloaded.resources.dir
    * [HIVE-3698] - enhanceModel.notRequired is incorrectly determined
    * [HIVE-3699] - Multiple insert overwrite into multiple tables query stores same results in all tables
    * [HIVE-3702] - Renaming table changes table location scheme/authority
    * [HIVE-3703] - Hive Query Explain Plan JSON not being created properly
    * [HIVE-3714] - Patch: Hive's ivy internal resolvers need to use sourceforge for sqlline
    * [HIVE-3717] - Hive won't compile with -Dhadoop.mr.rev=20S
    * [HIVE-3728] - make optimizing multi-group by configurable
    * [HIVE-3729] - Error in groupSetExpression rule in Hive grammar
    * [HIVE-3735] - PTest doesn't work due to hive snapshot version upgrade to 11
    * [HIVE-3741] - Driver.validateConfVariables() should perform more validations
    * [HIVE-3747] - Provide hive operation name for hookContext
    * [HIVE-3750] - JDBCStatsPublisher fails when ID length exceeds length of ID column
    * [HIVE-3757] - union_remove_9.q fails in trunk (hadoop 23)
    * [HIVE-3760] - TestNegativeMinimrCliDriver_mapreduce_stack_trace.q fails on hadoop-1
    * [HIVE-3766] - Enable adding hooks to hive meta store init
    * [HIVE-3767] - BucketizedHiveInputFormat should be automatically used with Bucketized Map Joins also
    * [HIVE-3771] - HIVE-3750 broke TestParse
    * [HIVE-3774] - Sort merge join should work if join cols are a prefix of sort columns for each partition
    * [HIVE-3775] - Unit test failures due to unspecified order of results in "show grant" command
    * [HIVE-3778] - Add MapJoinDesc.isBucketMapJoin() as part of explain plan
    * [HIVE-3782] - testCliDriver_sample_islocalmode_hook fails on hadoop-1
    * [HIVE-3783] - stats19.q is failing on trunk
    * [HIVE-3787] - Regression introduced from HIVE-3401
    * [HIVE-3788] - testCliDriver_repair fails on hadoop-1
    * [HIVE-3789] - Patch HIVE-3648 causing the majority of unit tests to fail on branch 0.9
    * [HIVE-3795] - NPE in SELECT when WHERE-clause is an and/or/not operation involving null
    * [HIVE-3800] - testCliDriver_combine2 fails on hadoop-1
    * [HIVE-3801] - testCliDriver_loadpart_err fails on hadoop-1
    * [HIVE-3802] - testCliDriver_input39 fails on hadoop-1
    * [HIVE-3803] - explain dependency should show the dependencies hierarchically in presence of views
    * [HIVE-3806] - Ptest failing due to "Argument list too long" errors
    * [HIVE-3809] - Concurrency issue in RCFile: multiple threads can use the same decompressor
    * [HIVE-3817] - Adding the name space for the maven task for the maven-publish target.
    * [HIVE-3820] - Consider creating a literal like "D" or "BD" for representing Decimal type constants
    * [HIVE-3824] - bug if different serdes are used for different partitions
    * [HIVE-3826] - Rollbacks and retries of drops cause org.datanucleus.exceptions.NucleusObjectNotFoundException: No such database row)
    * [HIVE-3828] - insert overwrite fails with stored-as-dir in cluster
    * [HIVE-3829] - Hive CLI needs UNSET TBLPROPERTY command
    * [HIVE-3832] - Insert overwrite doesn't create a dir if the skewed column position doesnt match
    * [HIVE-3839] - adding .gitattributes file for normalizing line endings during cross platform development
    * [HIVE-3840] - hive cli null representation in output is inconsistent
    * [HIVE-3847] - ppd.remove.duplicatefilters removing filters too aggressively
    * [HIVE-3849] - Aliased column in where clause for multi-groupby single reducer cannot be resolved
    * [HIVE-3850] - hour() function returns 12 hour clock value when using timestamp datatype
    * [HIVE-3852] - Multi-groupby optimization fails when same distinct column is used twice or more
    * [HIVE-3858] - Normalize left over CRLF files
    * [HIVE-3861] - Upgrade hbase dependency to 0.94
    * [HIVE-3862] - testHBaseNegativeCliDriver_cascade_dbdrop fails on hadoop-1
    * [HIVE-3872] - MAP JOIN  for VIEW thorws NULL pointer exception error
    * [HIVE-3873] - lot of tests failing for hadoop 23
    * [HIVE-3875] - negative value for hive.stats.ndv.error should be disallowed 
    * [HIVE-3888] - wrong mapside groupby if no partition is being selected
    * [HIVE-3893] - something wrong with the hive-default.xml
    * [HIVE-3899] - Partition pruning fails on <constant> = <constant> expression
    * [HIVE-3908] - create view statement's outputs contains the view and a temporary dir.
    * [HIVE-3909] - Wrong data due to HIVE-2820
    * [HIVE-3912] - table_access_keys_stats.q fails with hadoop 0.23
    * [HIVE-3913] - Possible deadlock in ZK lock manager
    * [HIVE-3915] - Union with map-only query on one side and two MR job query on the other produces wrong results
    * [HIVE-3916] - For outer joins, when looping over the rows looking for filtered tags, it doesn't report progress
    * [HIVE-3918] - Normalize more CRLF line endings
    * [HIVE-3920] - Change test for HIVE-2332
    * [HIVE-3921] - recursive_dir.q fails on 0.23
    * [HIVE-3923] - join_filters_overlap.q fails on 0.23
    * [HIVE-3924] - join_nullsafe.q fails on 0.23
    * [HIVE-3927] - Potential overflow with new RCFileCat column sizes options
    * [HIVE-3931] - Add Oracle metastore upgrade script for 0.9 to 10.0
    * [HIVE-3932] - Hive release tarballs don't contain PostgreSQL metastore scripts
    * [HIVE-3943] - Skewed query fails if hdfs path has special characters
    * [HIVE-3947] - MiniMR test remains pending after test completion
    * [HIVE-3948] - avro_nullable_fields.q is failing in trunk
    * [HIVE-3977] - Hive 0.10 postgres schema script is broken
    * [HIVE-3980] - Cleanup after HIVE-3403
    * [HIVE-3984] - Maintain a clear separation between Windowing & PTF at the specification level. 
    * [HIVE-3985] - Update new UDAFs introduced for Windowing to work with new Decimal Type
    * [HIVE-3986] - Fix select expr processing in PTF Operator
    * [HIVE-3987] - Update PTF invocation and windowing grammar
    * [HIVE-3992] - Hive RCFile::sync(long) does a sub-sequence linear search for sync blocks
    * [HIVE-3995] - PostgreSQL upgrade scripts are not valid
    * [HIVE-3998] - Oracle metastore update script will fail when upgrading from 0.9.0 to 0.10.0
    * [HIVE-3999] - Mysql metastore upgrade script will end up with different schema than the full schema load
    * [HIVE-4000] - Hive client goes into infinite loop at 100% cpu
    * [HIVE-4004] - Incorrect status for AddPartition metastore event if RawStore commit fails
    * [HIVE-4018] - MapJoin failing with Distributed Cache error
    * [HIVE-4021] - PostgreSQL upgrade scripts are creating column with incorrect name
    * [HIVE-4024] - Derby metastore update script will fail when upgrading from 0.9.0 to 0.10.0
    * [HIVE-4027] - Thrift alter_table api doesnt validate column type
    * [HIVE-4028] - Bring paranthesis handling in windowing specification in compliance with sql standard
    * [HIVE-4029] - Hive Profiler dies with NPE
    * [HIVE-4030] - Name windowing function in consistence with sql standard
    * [HIVE-4033] - NPE at runtime while selecting virtual column after joining three tables on different keys
    * [HIVE-4034] - Should be able to specify windowing spec without needing Between
    * [HIVE-4035] - Column Pruner for PTF Op
    * [HIVE-4036] - remove use of FunctionRegistry during PTF Op initialization
    * [HIVE-4039] - Hive compiler sometimes fails in semantic analysis / optimisation stage when boolean variable appears in WHERE clause.
    * [HIVE-4040] - fix ptf negative tests
    * [HIVE-4041] - Support multiple partitionings in a single Query
    * [HIVE-4052] - Disallow partition/sort and distribute/order combinations in windowing and partitioning spec
    * [HIVE-4056] - Extend rcfilecat to support (un)compressed size and no. of row
    * [HIVE-4067] - Followup to HIVE-701: reduce ambiguity in grammar
    * [HIVE-4071] - Map-join outer join produces incorrect results.
    * [HIVE-4072] - Hive eclipse build path update for string template jar
    * [HIVE-4073] - Make partition by optional in over clause
    * [HIVE-4077] - alterPartition and alterPartitions methods in ObjectStore swallow exceptions
    * [HIVE-4078] - Delay the serialize-deserialize pair in CommonJoinTaskDispatcher
    * [HIVE-4079] - Altering a view partition fails with NPE
    * [HIVE-4080] - Add Lead & Lag UDAFs
    * [HIVE-4081] - allow expressions with over clause
    * [HIVE-4082] - Break up ptf tests in PTF, Windowing and Lead/Lag tests
    * [HIVE-4083] - PTF ColumnPruner doesn't account for Partition & Order expressions
    * [HIVE-4084] - Generated aliases for windowing expressions is broken
    * [HIVE-4090] - Use of hive.exec.script.allow.partial.consumption can produce partial results
    * [HIVE-4092] - Store complete names of tables in column access analyzer
    * [HIVE-4093] - Remove sprintf from PTFTranslator and use String.format()
    * [HIVE-4094] - decimal_3.q & decimal_serde.q fail on hadoop 2
    * [HIVE-4096] - problem in hive.map.groupby.sorted with distincts
    * [HIVE-4097] - ORC file doesn't properly interpret empty hive.io.file.readcolumn.ids
    * [HIVE-4098] - OrcInputFormat assumes Hive always calls createValue
    * [HIVE-4103] - Remove System.gc() call from the map-join local-task loop
    * [HIVE-4104] - Hive localtask does not buffer disk-writes or reads
    * [HIVE-4105] - Hive MapJoinOperator unnecessarily deserializes values for all join-keys
    * [HIVE-4107] - Update Hive 0.10.0 RELEASE_NOTES.txt
    * [HIVE-4108] - Allow over() clause to contain an order by with no partition by
    * [HIVE-4109] - Partition by column does not have to be in order by
    * [HIVE-4111] - Default value in lag is not handled correctly
    * [HIVE-4112] - Window range specification should be more flexible
    * [HIVE-4119] - ANALYZE TABLE ... COMPUTE STATISTICS FOR COLUMNS fails with NPE if the table is empty
    * [HIVE-4122] - Queries fail if timestamp data not in expected format
    * [HIVE-4126] - remove support for lead/lag UDFs outside of UDAF args
    * [HIVE-4130] - Bring the Lead/Lag UDFs interface in line with Lead/Lag UDAFs
    * [HIVE-4131] - Fix eclipse template classpath to include new packages added by ORC file patch
    * [HIVE-4138] - ORC's union object inspector returns a type name that isn't parseable by TypeInfoUtils
    * [HIVE-4139] - MiniDFS shim does not work for hadoop 2
    * [HIVE-4140] - Specifying alias for windowing function
    * [HIVE-4142] - Remove inferring partition specification behavior
    * [HIVE-4143] - Incorrect column mappings with over clause
    * [HIVE-4146] - bug with hive.auto.convert.join.noconditionaltask with outer joins
    * [HIVE-4148] - Cleanup aisle "ivy"
    * [HIVE-4149] - wrong results big outer joins with array of ints
    * [HIVE-4151] - HiveProfiler NPE with ScriptOperator
    * [HIVE-4154] - NPE reading column of empty string from ORC file
    * [HIVE-4156] - need to add protobuf classes to hive-exec.jar
    * [HIVE-4159] - RetryingHMSHandler doesn't retry in enough cases
    * [HIVE-4167] - Hive converts bucket map join to SMB join even when tables are not sorted
    * [HIVE-4169] - union_remove_*.q fail on hadoop 2
    * [HIVE-4170] - [REGRESSION] FsShell.close closes filesystem, removing temporary directories
    * [HIVE-4174] - Round UDF converts BigInts to double
    * [HIVE-4178] - ORC fails with files with different numbers of columns
    * [HIVE-4179] - NonBlockingOpDeDup does not merge SEL operators correctly
    * [HIVE-4180] - Filter getting dropped with PTFOperator
    * [HIVE-4182] - doAS does not work with HiveServer2 in non-kerberos mode with local job
    * [HIVE-4184] - Document HiveServer2 setup under the admin documentation on hive wiki 
    * [HIVE-4185] - Document HiveServer2 JDBC and Beeline CLI in the user documentation 
    * [HIVE-4186] - NPE in ReduceSinkDeDuplication
    * [HIVE-4187] - QL build-grammar target fails after HIVE-4148
    * [HIVE-4188] - TestJdbcDriver2.testDescribeTable failing consistently
    * [HIVE-4189] - ORC fails with String column that ends in lots of nulls
    * [HIVE-4190] - OVER clauses with ORDER BY not getting windowing set properly
    * [HIVE-4191] - describe table output always prints as if formatted keyword is specified
    * [HIVE-4197] - Bring windowing support inline with SQL Standard
    * [HIVE-4202] - reuse Partition objects in PTFOperator processing
    * [HIVE-4208] - Clientpositive test parenthesis_star_by is non-deteministic
    * [HIVE-4217] - Fix show_create_table_*.q test failures
    * [HIVE-4219] - explain dependency does not capture the input table
    * [HIVE-4235] - CREATE TABLE IF NOT EXISTS uses inefficient way to check if table exists
    * [HIVE-4252] - hiveserver2 string representation of complex types are inconsistent with cli
    * [HIVE-4254] - Code cleanup : debug methods, having clause associated with Windowing
    * [HIVE-4255] - update show_functions.q.out for functions added for windowing
    * [HIVE-4259] - SEL operator created with missing columnExprMap for unions
    * [HIVE-4260] - union_remove_12, union_remove_13 are failing on hadoop2
    * [HIVE-4261] - union_remove_10 is failing on hadoop2 with assertion (root task with non-empty set of parents)
    * [HIVE-4262] - fix last_value UDAF behavior
    * [HIVE-4269] - fix handling of binary type in hiveserver2, jdbc driver
    * [HIVE-4270] - bug in hive.map.groupby.sorted in the presence of multiple input partitions
    * [HIVE-4271] - Limit precision of decimal type
    * [HIVE-4272] - partition wise metadata does not work for text files
    * [HIVE-4275] - Hive does not differentiate scheme and authority in file uris
    * [HIVE-4280] - TestRetryingHMSHandler is failing on trunk.
    * [HIVE-4288] - Add IntelliJ project files files to .gitignore
    * [HIVE-4289] - HCatalog build fails when behind a firewall
    * [HIVE-4292] - hiveserver2 should support -hiveconf commandline parameter
    * [HIVE-4296] - ant thriftif  fails on  hcatalog
    * [HIVE-4302] - Fix how RowSchema and RowResolver are set on ReduceSinkOp that precedes PTFOp
    * [HIVE-4303] - 2 empty java files in hcatalog
    * [HIVE-4308] - Newly added test TestCliDriver.hiveprofiler_union0 is failing on trunk
    * [HIVE-4311] - DOS line endings in auto_join26.q
    * [HIVE-4315] - enable doAs in unsecure mode for hive server2, when MR job runs locally
    * [HIVE-4318] - OperatorHooks hit performance even when not used
    * [HIVE-4319] - Revert changes checked-in as part of HIVE-1953
    * [HIVE-4320] - Consider extending max limit for precision to 38
    * [HIVE-4323] - sqlline dependency is not required
    * [HIVE-4327] - NPE in constant folding with decimal
    * [HIVE-4332] - orc*.q tests fail on hadoop 2
    * [HIVE-4333] - most windowing tests fail on hadoop 2
    * [HIVE-4334] - ctas test on hadoop 2 has outdated golden file
    * [HIVE-4335] - serde_regex test fails on hadoop 2
    * [HIVE-4336] - Selecting from a view, and another view that also selects from that view fails
    * [HIVE-4342] - NPE for query involving UNION ALL with nested JOIN and UNION ALL
    * [HIVE-4352] - Guava not getting included in build package
    * [HIVE-4356] - remove duplicate impersonation parameters for hiveserver2
    * [HIVE-4358] - Check for Map side processing in PTFOp is no longer valid
    * [HIVE-4365] - wrong result in left semi join
    * [HIVE-4371] - some issue with merging join trees
    * [HIVE-4373] - Hive Version returned by HiveDatabaseMetaData.getDatabaseProductVersion is incorrect
    * [HIVE-4378] - Counters hit performance even when not used
    * [HIVE-4387] - ant maven-build fails because hcatalog doesn't have a make-pom target
    * [HIVE-4394] - test leadlag.q fails
    * [HIVE-4398] - HS2 Resource leak: operation handles not cleaned when originating session is closed
    * [HIVE-4407] - TestHCatStorer.testStoreFuncAllSimpleTypes fails because of null case difference
    * [HIVE-4412] - PTFDesc tries serialize transient fields like OIs, etc.
    * [HIVE-4419] - webhcat - support ${WEBHCAT_PREFIX}/conf/ as config directory
    * [HIVE-4420] - HCatalog unit tests stop after a failure
    * [HIVE-4421] - Improve memory usage by ORC dictionaries
    * [HIVE-4447] - hcatalog version numbers need to be updated 
    * [HIVE-4455] - HCatalog build directories get included in tar file produced by "ant tar"
    * [HIVE-4461] - hcatalog jars not getting published to maven repo
    * [HIVE-4494] - ORC map columns get class cast exception in some context
    * [HIVE-4498] - TestBeeLineWithArgs.testPositiveScriptFile fails
    * [HIVE-4500] - HS2 holding too many file handles of hive_job_log_hive_*.txt files
    * [HIVE-4505] - Hive can't load transforms added using 'ADD FILE'
    * [HIVE-4527] - Fix eclipse project template

** Improvement
    * [HIVE-581] - improve group by syntax
    * [HIVE-948] - more query plan optimization rules 
    * [HIVE-1953] - Hive should process comments in CliDriver
    * [HIVE-2439] - Upgrade antlr version to 3.4
    * [HIVE-2477] - Use name of original expression for name of CAST output
    * [HIVE-3004] - RegexSerDe should support other column types in addition to STRING
    * [HIVE-3231] - msck repair should find partitions already containing data files
    * [HIVE-3252] - Add environment context to metastore Thrift calls
    * [HIVE-3401] - Diversify grammar for split sampling
    * [HIVE-3431] - Avoid race conditions while downloading resources from non-local filesystem
    * [HIVE-3492] - Provide ALTER for partition changing bucket number 
    * [HIVE-3527] - Allow CREATE TABLE LIKE command to take TBLPROPERTIES
    * [HIVE-3531] - Simple lock manager for dedicated hive server
    * [HIVE-3564] - hivetest.py: revision number and applied patch
    * [HIVE-3628] - Provide a way to use counters in Hive through UDF
    * [HIVE-3633] - sort-merge join does not work with sub-queries
    * [HIVE-3672] - Support altering partition column type in Hive
    * [HIVE-3708] - Add mapreduce workflow information to job configuration
    * [HIVE-3709] - Stop storing default ConfVars in temp file
    * [HIVE-3710] - HiveConf.ConfVars.HIVE_STATS_COLLECT_RAWDATASIZE should not be checked in FileSinkOperator
    * [HIVE-3762] - Minor fix for 'tableName' in Hive.g
    * [HIVE-3784] - de-emphasize mapjoin hint
    * [HIVE-3793] - Print number of fetched rows after query in CliDriver
    * [HIVE-3796] - Multi-insert involving bucketed/sorted table turns off merging on all outputs
    * [HIVE-3799] - Better error message if metalisteners or hookContext cannot be loaded/instantiated
    * [HIVE-3805] - Resolve TODO in TUGIBasedProcessor
    * [HIVE-3833] - object inspectors should be initialized based on partition metadata
    * [HIVE-3853] - UDF unix_timestamp is deterministic if an argument is given, but it treated as non-deterministic preventing PPD
    * [HIVE-3874] - Create a new Optimized Row Columnar file format for Hive
    * [HIVE-3884] - Better align columns in DESCRIBE table_name output to make more human-readable
    * [HIVE-3904] - Replace hashmaps in JoinOperators to array
    * [HIVE-3917] - Support noscan operation for analyze command
    * [HIVE-3950] - Remove code for merging files via MR job
    * [HIVE-3952] - merge map-job followed by map-reduce job
    * [HIVE-3958] - support partial scan for analyze command - RCFile
    * [HIVE-3970] - Clean up/fix PartitionNameWhitelistPreEventListener
    * [HIVE-3996] - Correctly enforce the memory limit on the multi-table map-join
    * [HIVE-4001] - Add o.a.h.h.serde.Constants for backward compatibility
    * [HIVE-4007] - Create abstract classes for serializer and deserializer
    * [HIVE-4015] - Add ORC file to the grammar as a file format
    * [HIVE-4016] - Remove init(fname) from TestParse.vm for each test
    * [HIVE-4020] - Swap applying order of CP and PPD
    * [HIVE-4023] - Improve Error Logging in MetaStore
    * [HIVE-4025] - Add reflect UDF for member method invocation of column
    * [HIVE-4042] - ignore mapjoin hint
    * [HIVE-4045] - Modify PreDropPartitionEvent to pass Table parameter
    * [HIVE-4076] - Refactor code for finding windowing expressions
    * [HIVE-4125] - Expose metastore JMX metrics
    * [HIVE-4128] - Support avg(decimal)
    * [HIVE-4129] - Window handling dumps debug info on console, instead should use logger.
    * [HIVE-4157] - ORC runs out of heap when writing
    * [HIVE-4206] - Sort merge join does not work for outer joins for 7 inputs
    * [HIVE-4212] - sort merge join should work for outer joins for more than 8 inputs
    * [HIVE-4240] - optimize hive.enforce.bucketing and hive.enforce sorting insert
    * [HIVE-4258] - Log logical plan tree for debugging
    * [HIVE-4281] - add hive.map.groupby.sorted.testmode
    * [HIVE-4304] - Remove unused builtins and pdk submodules
    * [HIVE-4306] - PTFDeserializer should reconstruct OIs based on InputOI passed to PTFOperator
    * [HIVE-4328] - Change default bigtable selection policy for sort-merge joins

** New Feature
    * [HIVE-446] - Implement TRUNCATE
    * [HIVE-701] - lots of reserved keywords in hive
    * [HIVE-896] - Add LEAD/LAG/FIRST/LAST analytical windowing functions to Hive.
    * [HIVE-933] - Infer bucketing/sorting properties
    * [HIVE-2288] - Adding the oracle nvl function to the UDF
    * [HIVE-2691] - Specify location of log4j configuration files via configuration properties
    * [HIVE-2693] - Add DECIMAL data type
    * [HIVE-2935] - Implement HiveServer2
    * [HIVE-3073] - Hive List Bucketing - DML support 
    * [HIVE-3552] - HIVE-3552 performant manner for performing cubes/rollups/grouping sets for a high number of grouping set keys
    * [HIVE-3646] - Add 'IGNORE PROTECTION' predicate for dropping partitions
    * [HIVE-3682] - when output hive table to file,users should could have a separator of their own choice
    * [HIVE-3825] - Add Operator level Hooks
    * [HIVE-3834] - Support ALTER VIEW AS SELECT in Hive
    * [HIVE-3897] - Add a way to get the uncompressed/compressed sizes of columns from an RC File
    * [HIVE-3898] - getReducersBucketing in SemanticAnalyzer may return more than the max number of reducers
    * [HIVE-3903] - Allow updating bucketing/sorting metadata of a partition through the CLI
    * [HIVE-3937] - Hive Profiler
    * [HIVE-3951] - Allow Decimal type columns in Regex Serde
    * [HIVE-4019] - Ability to create and drop temporary partition function
    * [HIVE-4048] - Allow partition by/order by in partitioning spec in over clause and partition function
    * [HIVE-4120] - Implement decimal encoding for ORC
    * [HIVE-4127] - Testing with Hadoop 2.x causes test failure for ORC's TestFileDump
    * [HIVE-4155] - Expose ORC's FileDump as a service
    * [HIVE-4248] - Implement a memory manager for ORC

** Task
    * [HIVE-3679] - Unescape partition names returned by show partitions
    * [HIVE-3718] - Add check to determine whether partition can be dropped at Semantic Analysis time
    * [HIVE-3721] - ALTER TABLE ADD PARTS should check for valid partition spec and throw a SemanticException if part spec is not valid
    * [HIVE-3838] - Add input table name to MetaStoreEndFunctionContext for logging purposes
    * [HIVE-3940] - Track columns accessed in each table in a query
    * [HIVE-3981] - Split up tests in ptf_general_queries.q
    * [HIVE-3982] - Merge PTFDesc and PTFDef classes
    * [HIVE-4031] - Add apache headers in new files 
    * [HIVE-4145] - Create hcatalog stub directory and add it to the build

** Test
    * [HIVE-3571] - add a way to run a small unit quickly
    * [HIVE-3842] - Remove redundant test codes
    * [HIVE-3944] - Make accept qfile argument for miniMR tests
    * [HIVE-3956] - TestMetaStoreAuthorization always uses the same port
    * [HIVE-4124] - Add more tests for windowing
    * [HIVE-4298] - add tests for distincts for hive.map.groutp.sorted
    * [HIVE-4337] - Update list bucketing test results

** Wish
    * [HIVE-4314] - Result of mapjoin_test_outer.q is not deterministic

Release Notes - Hive - Version 0.10.0

** Sub-task
    * [HIVE-1362] - Optimizer statistics on columns in tables and partitions
    * [HIVE-3146] - Support external hive tables whose data are stored in Azure blob store/Azure Storage Volumes (ASV)
    * [HIVE-3172] - Remove the duplicate JAR entries from the (“test.classpath”) to avoid command line exceeding char limit on windows 
    * [HIVE-3204] - Windows: Fix the unit tests which contains “!<cmd>” commands (Unix shell commands)
    * [HIVE-3207] - FileUtils.tar does not close input files
    * [HIVE-3317] - Fix “TestDosToUnix” unit tests on Windows by closing the leaking file handle in DosToUnix.java.
    * [HIVE-3319] - Fix the “TestHiveHistory”, “TestHiveConf”, & “TestExecDriver” unit tests on Windows by fixing the path related issues.
    * [HIVE-3320] - Handle “CRLF” line endings to avoid the extra spacing in generated test outputs in Windows. (Utilities.Java :: readColumn)
    * [HIVE-3327] - Remove the Unix specific absolute path of “Cat” utility in several .q files to make them run on Windows with CygWin in path.
    * [HIVE-3397] - PartitionPruner should log why it is not pushing the filter down to JDO


** Bug
    * [HIVE-1367] - cluster by multiple columns does not work if parenthesis is present
    * [HIVE-1399] - Nested UDAFs cause Hive Internal Error (NullPointerException)
    * [HIVE-1977] - DESCRIBE TABLE syntax doesn't support specifying a database qualified table name
    * [HIVE-2101] - mapjoin sometimes gives wrong results if there is a filter in the on condition
    * [HIVE-2372] - java.io.IOException: error=7, Argument list too long
    * [HIVE-2498] - Group by operator does not estimate size of Timestamp & Binary data correctly
    * [HIVE-2540] - LATERAL VIEW with EXPLODE produces ConcurrentModificationException
    * [HIVE-2542] - DROP DATABASE CASCADE does not drop non-native tables. 
    * [HIVE-2544] - Nullpointer on registering udfs.
    * [HIVE-2646] - Hive Ivy dependencies on Hadoop should depend on jars directly, not tarballs
    * [HIVE-2711] - Make the header of RCFile unique
    * [HIVE-2715] - Upgrade Thrift dependency to 0.9.0
    * [HIVE-2721] - ability to select a view qualified by the database / schema name
    * [HIVE-2732] - Reduce Sink deduplication fails if the child reduce sink is followed by a join
    * [HIVE-2736] - Hive UDFs cannot emit binary constants
    * [HIVE-2757] - hive can't find hadoop executor scripts without HADOOP_HOME set
    * [HIVE-2788] - When integrating into MapReduce2, Hive is unable to handle corrupt rcfile archive
    * [HIVE-2789] - query_properties.q contains non-deterministic queries
    * [HIVE-2800] - NPE in "create index" without comment clause in external metastore
    * [HIVE-2803] - utc_from_timestamp and utc_to_timestamp returns incorrect results.
    * [HIVE-2804] - Task log retrieval fails on Hadoop 0.23
    * [HIVE-2860] - TestNegativeCliDriver autolocal1.q fails on 0.23
    * [HIVE-2874] - Renaming external partition changes location
    * [HIVE-2904] - ant gen-test failed
    * [HIVE-2907] - Hive error when dropping a table with large number of partitions
    * [HIVE-2918] - Hive Dynamic Partition Insert - move task not considering 'hive.exec.max.dynamic.partitions' from CLI
    * [HIVE-2929] - race condition in DAG execute tasks for hive
    * [HIVE-2933] - analyze command throw NPE when table doesn't exists
    * [HIVE-2941] - Hive should expand nested structs when setting the table schema from thrift structs
    * [HIVE-2942] - substr on string containing UTF-8 characters produces StringIndexOutOfBoundsException
    * [HIVE-2955] - Queries consists of metadata-only-query returns always empty value
    * [HIVE-2957] - Hive JDBC doesn't support TIMESTAMP column
    * [HIVE-2963] - metastore delegation token is not getting used by hive commandline
    * [HIVE-2971] - GET_JSON_OBJECT fails on some valid JSON keys
    * [HIVE-2975] - Filter parsing does not recognize '!=' as operator and silently ignores invalid tokens
    * [HIVE-2976] - Fix maven-build Ant target
    * [HIVE-2984] - Fix test failure in TestNegativeCliDriver.dyn_part_max caused by HIVE-2918
    * [HIVE-2990] - Remove hadoop-source Ivy resolvers and Ant targets
    * [HIVE-2999] - Offline build is not working
    * [HIVE-3000] - Potential infinite loop / log spew in ZookeeperHiveLockManager
    * [HIVE-3008] - Memory leak in TUGIContainingTransport
    * [HIVE-3013] - TestCliDriver cannot be debugged with eclipse since hadoop_home is set incorrectly
    * [HIVE-3014] - Fix metastore test failures caused by HIVE-2757
    * [HIVE-3019] - Add JUnit to list of test dependencies managed by Ivy
    * [HIVE-3021] - Tests failing for me
    * [HIVE-3028] - Fix javadoc again
    * [HIVE-3029] - Update ShimLoader to work with Hadoop 2.x
    * [HIVE-3030] - escape more chars for script operator
    * [HIVE-3031] - hive docs target does not work
    * [HIVE-3035] - Modify clean target to remove ~/.ivy2/local/org.apache.hive ~/.ivy2/cache/org.apache.hive
    * [HIVE-3045] - Partition column values are not valid if any of virtual columns is selected
    * [HIVE-3049] - setup classpath for templates correctly for eclipse
    * [HIVE-3052] - TestHadoop20SAuthBridge always uses the same port
    * [HIVE-3057] - metastore.HiveMetaStore$HMSHandler should set the thread local raw store to null in shutdown()
    * [HIVE-3058] - hive.transform.escape.input breaks tab delimited data
    * [HIVE-3059] - revert HIVE-2703
    * [HIVE-3062] - Insert into table overwrites existing table if table name contains uppercase character
    * [HIVE-3063] - drop partition for non-string columns is failing
    * [HIVE-3069] - Drop partition problem
    * [HIVE-3070] - Filter on outer join condition removed while merging join tree
    * [HIVE-3076] - drop partition does not work for non-partition columns
    * [HIVE-3079] - Revert HIVE-2989
    * [HIVE-3081] - ROFL Moment. Numberator and denaminator typos
    * [HIVE-3082] - Oracle Metastore schema script doesn't include DDL for DN internal tables
    * [HIVE-3085] - make parallel tests work
    * [HIVE-3090] - Timestamp type values not having nano-second part breaks row
    * [HIVE-3092] - Hive tests should load Hive classes from build directory, not Ivy cache
    * [HIVE-3098] - Memory leak from large number of FileSystem instances in FileSystem.CACHE
    * [HIVE-3100] - Add HiveCLI that runs over JDBC
    * [HIVE-3101] - dropTable will all ways excute hook.rollbackDropTable whether drop table success or faild.
    * [HIVE-3112] - clear hive.metastore.partition.inherit.table.properties till HIVE-3109 is fixed
    * [HIVE-3120] - make copyLocal work for parallel tests
    * [HIVE-3123] - Hadoop20Shim. CombineFileRecordReader does not report progress within files
    * [HIVE-3124] - Error in Removing ProtectMode from a Table
    * [HIVE-3125] - sort_array doesn't work with LazyPrimitive
    * [HIVE-3126] - Generate & build the velocity based Hive tests on windows by fixing the path issues
    * [HIVE-3127] - Pass hconf values as XML instead of command line arguments to child JVM
    * [HIVE-3128] - use commons-compress instead of forking tar process
    * [HIVE-3134] - Drop table/index/database can result in orphaned locations
    * [HIVE-3135] - add an option in ptest to run on a single machine
    * [HIVE-3140] - Comment indenting is broken for "describe" in CLI
    * [HIVE-3142] - Bug in parallel test for singlehost flag
    * [HIVE-3149] - Dynamically generated paritions deleted by Block level merge
    * [HIVE-3161] - drop the temporary function at end of autogen_colalias.q
    * [HIVE-3164] - Fix non-deterministic testcases failures when running Hive0.9.0 on MapReduce2
    * [HIVE-3165] - Hive thrift code doesnt generate quality hashCode()
    * [HIVE-3168] - LazyBinaryObjectInspector.getPrimitiveJavaObject copies beyond length of underlying BytesWritable
    * [HIVE-3171] - Bucketed sort merge join doesn't work when multiple files exist for small alias
    * [HIVE-3178] - retry not honored in RetryingRawMetastore
    * [HIVE-3180] - Fix Eclipse classpath template broken in HIVE-3128
    * [HIVE-3203] - Drop partition throws NPE if table doesn't exist
    * [HIVE-3205] - Bucketed mapjoin on partitioned table which has no partition throws NPE
    * [HIVE-3206] - FileUtils.tar assumes wrong directory in some cases
    * [HIVE-3215] - JobDebugger should use RunningJob.getTrackingURL 
    * [HIVE-3218] - Stream table of SMBJoin/BucketMapJoin with two or more partitions is not handled properly
    * [HIVE-3221] - HiveConf.getPositionFromInternalName does not support more than sinle digit column numbers
    * [HIVE-3225] - NPE on a join query with authorization enabled
    * [HIVE-3226] - ColumnPruner is not working on LateralView
    * [HIVE-3230] - Make logging of plan progress in HadoopJobExecHelper configurable
    * [HIVE-3232] - Resource Leak: Fix the File handle leak in EximUtil.java
    * [HIVE-3240] - Fix non-deterministic results in newline.q and timestamp_lazy.q
    * [HIVE-3242] - Fix cascade_dbdrop.q when building hive on hadoop0.23
    * [HIVE-3243] - ignore white space between entries of hive/hbase table mapping
    * [HIVE-3246] - java primitive type for binary datatype should be byte[]
    * [HIVE-3247] - Sorted by order of table not respected
    * [HIVE-3248] - lack of semi-colon in .q file leads to missing the next statement
    * [HIVE-3249] - Upgrade guava to 11.0.2
    * [HIVE-3251] - Hive doesn't remove scrach directories while killing running MR job
    * [HIVE-3257] - Fix avro_joins.q testcase failure when building hive on hadoop0.23
    * [HIVE-3261] - alter the number of buckets for a non-empty partitioned table should not be allowed
    * [HIVE-3262] - bucketed mapjoin silently ignores mapjoin hint
    * [HIVE-3265] - HiveHistory.printRowCount() throws NPE
    * [HIVE-3267] - escaped columns in cluster/distribute/order/sort by are not working
    * [HIVE-3268] - expressions in cluster by are not working
    * [HIVE-3273] - Add avro jars into hive execution classpath
    * [HIVE-3275] - Fix autolocal1.q testcase failure when building hive on hadoop0.23 MR2
    * [HIVE-3276] - optimize union sub-queries
    * [HIVE-3279] - Table schema not being copied to Partitions with no columns
    * [HIVE-3282] - Convert runtime exceptions to semantic exceptions for missing partitions/tables in show/describe statements
    * [HIVE-3283] - bucket information should be used from the partition instead of the table
    * [HIVE-3289] - sort merge join may not work silently
    * [HIVE-3291] - fix fs resolvers 
    * [HIVE-3293] - Load file into a table does not update table statistics
    * [HIVE-3295] - HIVE-3128 introduced bug causing dynamic partitioning to fail
    * [HIVE-3301] - Fix quote printing bug in mapreduce_stack_trace.q testcase failure when running hive on hadoop23
    * [HIVE-3302] - Race condition in query plan for merging at the end of a query
    * [HIVE-3303] - Fix error code inconsistency bug in mapreduce_stack_trace.q and mapreduce_stack_trace_turnoff.q when running hive on hadoop23
    * [HIVE-3306] - SMBJoin/BucketMapJoin should be allowed only when join key expression is exactly matches with sort/cluster key
    * [HIVE-3310] - [Regression] TestMTQueries test is failing on trunk
    * [HIVE-3311] - Convert runtime exceptions to semantic exceptions for validation of alter table commands
    * [HIVE-3338] - Archives broken for hadoop 1.0
    * [HIVE-3339] - Change the rules in SemanticAnalyzer to use Operator.getName() instead of hardcoded names
    * [HIVE-3340] - shims unit test failures fails further test progress
    * [HIVE-3341] - Making hive tests run against different MR versions
    * [HIVE-3343] - Hive: Query misaligned result for Group by followed by Join with filter and skip a group-by result
    * [HIVE-3345] - Add junit exclude utility to disable testcases
    * [HIVE-3365] - Upgrade Hive's Avro dependency to version 1.7
    * [HIVE-3375] - bucketed map join should check that the number of files match the number of buckets
    * [HIVE-3379] - stats are not being collected correctly for analyze table with dynamic partitions
    * [HIVE-3385] - fpair on creating external table
    * [HIVE-3443] - Hive Metatool should take serde_param_key from the user to allow for changes to avro serde's schema url key
    * [HIVE-3448] - GenMRSkewJoinProcessor uses File.Separator instead of Path.Separator 
    * [HIVE-3451] - map-reduce jobs does not work for a partition containing sub-directories
    * [HIVE-3452] - Missing column causes null pointer exception
    * [HIVE-3458] - Parallel test script doesnt run all tests
    * [HIVE-3459] - Dynamic partition queries producing no partitions fail with hive.stats.reliable=true
    * [HIVE-3461] - hive unit tests fail to get lock using zookeeper on windows
    * [HIVE-3465] - insert into statement overwrites if target table is prefixed with database name
    * [HIVE-3477] - Duplicate data possible with speculative execution for dynamic partitions
    * [HIVE-3478] - Remove the specialized logic to handle the file schemas in windows vs unix from build.xml
    * [HIVE-3479] - Bug fix: Return the child JVM exit code to the parent process to handle the error conditions
    * [HIVE-3480] - <Resource leak>: Fix the file handle leaks in Symbolic & Symlink related input formats.
    * [HIVE-3481] - <Resource leak>: Hiveserver is not closing the existing driver handle before executing the next command. It results in to file handle leaks.
    * [HIVE-3483] - joins using partitioned table give incorrect results on windows 
    * [HIVE-3484] - RetryingRawStore logic needs to be significantly reworked to support retries within transactions
    * [HIVE-3485] - Hive List Bucketing - Skewed DDL doesn't support skewed value with string quote
    * [HIVE-3486] - CTAS in database with location on non-default name node fails
    * [HIVE-3487] - Some of the Metastore unit tests failing on Windows because of the static variables initialization problem in HiveConf class.
    * [HIVE-3493] - aggName of SemanticAnalyzer.getGenericUDAFEvaluator is generated in two different ways
    * [HIVE-3494] - Some of the JDBC test cases are failing on Windows because of the longer class path.
    * [HIVE-3495] - For UDAFs, when generating a plan without map-side-aggregation, constant agg parameters will be replaced by ExprNodeColumnDesc
    * [HIVE-3496] - Query plan for multi-join where the third table joined is a subquery containing a map-only union with hive.auto.convert.join=true is wrong
    * [HIVE-3497] - Avoid NPE in skewed information read
    * [HIVE-3498] - hivetest.py fails with --revision option
    * [HIVE-3505] - log4j template has logging threshold that hides all audit logs
    * [HIVE-3507] - Some of the tests are not deterministic
    * [HIVE-3515] - metadata_export_drop.q causes failure of other tests
    * [HIVE-3518] - QTestUtil side-effects
    * [HIVE-3519] - partition to directory comparison in CombineHiveInputFormat needs to accept partitions dir without scheme
    * [HIVE-3520] - ivysettings.xml does not let you override .m2/repository
    * [HIVE-3522] - Make separator for Entity name configurable
    * [HIVE-3523] - Hive info logging is broken
    * [HIVE-3525] - Avro Maps with Nullable Values fail with NPE
    * [HIVE-3529] - Incorrect partition bucket/sort metadata when overwriting partition with different metadata from table
    * [HIVE-3533] - ZooKeeperHiveLockManager does not respect the option to keep locks alive even after the current session has closed
    * [HIVE-3535] - derby metastore upgrade script throw errors when updating from 0.7 to 0.8
    * [HIVE-3536] - Output of sort merge join is no longer bucketed
    * [HIVE-3544] - union involving double column with a map join subquery will fail or give wrong results
    * [HIVE-3556] - Test "Path -> Alias" for explain extended
    * [HIVE-3560] - Hive always prints a warning message when using remote metastore
    * [HIVE-3563] - Drop database cascade fails when there are indexes on any tables
    * [HIVE-3581] - get_json_object and json_tuple return null in the presence of new line characters
    * [HIVE-3596] - Regression - HiveConf static variable causes issues in long running JVM insname of some metastore scripts are not per convention
    * [HIVE-3712] - Use varbinary instead of longvarbinary to store min and max column values in column stats schema
    * [HIVE-3713] - Metastore: Sporadic unit test failures
    * [HIVE-3722] - Create index fails on CLI using remote metastore
    * [HIVE-3723] - Hive Driver leaks ZooKeeper connections
    * [HIVE-3724] - Metastore tests use hardcoded ports
    * [HIVE-3729] - Error in groupSetExpression rule in Hive grammar
    * [HIVE-3732] - Multiple aggregates in query fail the job
    * [HIVE-3735] - PTest doesn't work due to hive snapshot version upgrade to 11
    * [HIVE-3736] - hive unit test case build failure.
    * [HIVE-3742] - The derby metastore schema script for 0.10.0 doesn't run
    * [HIVE-3769] - Must publish new Hive-0.10 artifacts to apache repository.
    * [HIVE-3780] - RetryingMetaStoreClient Should Log the Caught Exception
    * [HIVE-3792] - hive pom file has missing conf and scope mapping for compile configuration. 
    * [HIVE-3794] - Oracle upgrade script for Hive is broken
    * [HIVE-3814] - Cannot drop partitions on table when using Oracle metastore
    * [HIVE-3975] - Hive JIRA still shows 0.10 as unreleased in "Affects Version/s" dropdown
    * [HIVE-3978] - HIVE_AUX_JARS_PATH should have : instead of , as separator since it gets appended to HADOOP_CLASSPATH
    * [HIVE-3989] - TestCase TestMTQueries fails with Non-Sun Java
    * [HIVE-4074] - Doc update for .8, .9 and .10
    * [HIVE-4166] - closeAllForUGI causes failure in hiveserver2 when fetching large amount of data


** Improvement
    * [HIVE-1653] - Ability to enforce correct stats
    * [HIVE-2021] - Add a configuration property that sets the variable substitution max depth
    * [HIVE-2529] - metastore 0.8 upgrade script for PostgreSQL 
    * [HIVE-2585] - Collapse hive.metastore.uris and hive.metastore.local
    * [HIVE-2796] - Support auto completion for hive configs in CliDriver
    * [HIVE-2848] - Add validation to HiveConf ConfVars
    * [HIVE-2910] - Improve the HWI interface
    * [HIVE-2911] - Move global .hiverc file
    * [HIVE-2925] - Support non-MR fetching for simple queries with select/limit/filter operations only
    * [HIVE-2956] - [hive] Provide error message when using UDAF in the place of UDF instead of throwing NPE
    * [HIVE-2994] - pass a environment context to metastore thrift APIs
    * [HIVE-3012] - hive custom scripts do not work well if the data contains new lines
    * [HIVE-3018] - Make the new header for RC Files introduced in HIVE-2711 optional
    * [HIVE-3048] - Collect_set Aggregate does uneccesary check for value.
    * [HIVE-3051] - JDBC cannot find metadata for tables/columns containing uppercase character
    * [HIVE-3075] - Improve HiveMetaStore logging
    * [HIVE-3099] - add findbugs in build.xml
    * [HIVE-3106] - Add option to make multi inserts more atomic
    * [HIVE-3153] - Release codecs and output streams between flushes of RCFile
    * [HIVE-3195] - Typo in dynamic partitioning code bits, says "genereated" instead of "generated" in some places.
    * [HIVE-3202] - Add hive command for resetting hive confs
    * [HIVE-3210] - Support Bucketed mapjoin on partitioned table which has two or more partitions
    * [HIVE-3219] - BucketizedHiveInputFormat should be automatically used with SMBJoin
    * [HIVE-3234] - getting the reporter in the recordwriter
    * [HIVE-3277] - Enable Metastore audit logging for non-secure connections
    * [HIVE-3315] - Propagates filters which are on the join condition transitively 
    * [HIVE-3323] - enum to string conversions
    * [HIVE-3337] - Create Table Like should copy configured Table Parameters
    * [HIVE-3380] - As a follow up for HIVE-3276, optimize union for dynamic partition queries
    * [HIVE-3391] - Keep the original query in HiveDriverRunHookContextImpl
    * [HIVE-3393] - get_json_object and json_tuple should use Jackson library
    * [HIVE-3395] - 0.23 compatibility: shim job.tracker.address
    * [HIVE-3400] - Add Retries to Hive MetaStore Connections
    * [HIVE-3406] - Yet better error message in CLI on invalid column name
    * [HIVE-3410] - All operators's conf should inherit from a common class
    * [HIVE-3422] - Support partial partition specifications in when enabling/disabling protections in Hive
    * [HIVE-3432] - perform a map-only group by if grouping key matches the sorting properties of the table
    * [HIVE-3447] - Provide backward compatibility for AvroSerDe properties
    * [HIVE-3450] - Hive maven-publish ant task should be configurable
    * [HIVE-3500] - To add instrumentation to capture if there is skew in reducers
    * [HIVE-3512] - Log client IP address with command in metastore's startFunction method
    * [HIVE-3513] - Allow Partition Offline Enable/Disable command to be specified at the ds level even when Partition is based on more columns than ds
    * [HIVE-3514] - Refactor Partition Pruner so that logic can be reused.
    * [HIVE-3524] - Storing certain Exception objects thrown in HiveMetaStore.java in MetaStoreEndFunctionContext
    * [HIVE-3550] - Early skipping for limit operator at reduce stage
    * [HIVE-3557] - Access to external URLs in hivetest.py 
    * [HIVE-3570] - Add/fix facility to collect operator specific statisticsin hive + add hash-in/hash-out counter for GroupBy Optr
    * [HIVE-3573] - Revert HIVE-3268
    * [HIVE-3590] - TCP KeepAlive and connection timeout for the HiveServer
    * [HIVE-3621] - Make prompt in Hive CLI configurable
    * [HIVE-3623] - Reset operator-id before executing parse tests
    * [HIVE-3626] - RetryingHMSHandler should wrap JDOException inside MetaException
    * [HIVE-3636] - Catch the NPe when using ^D to exit from CLI
    * [HIVE-3706] - getBoolVar in FileSinkOperator can be optimized
    * [HIVE-3707] - Round map/reduce progress down when it is in the range [99.5, 100)

** New Feature
    * [HIVE-887] - Allow SELECT <col> without a mapreduce job
    * [HIVE-895] - Add SerDe for Avro serialized data
    * [HIVE-967] - Implement "show create table"
    * [HIVE-2397] - Support with rollup option for group by
    * [HIVE-2418] - replace or translate function in hive
    * [HIVE-2530] - Implement SHOW TBLPROPERTIES
    * [HIVE-2549] - Support standard cross join syntax
    * [HIVE-2694] - Add FORMAT UDF
    * [HIVE-2767] - Optionally use framed transport with metastore
    * [HIVE-2909] - SHOW COLUMNS table_name; to provide a comma-delimited list of columns.
    * [HIVE-2928] - Support for Oracle-backed Hive-Metastore ("longvarchar" to "clob" in package.jdo)
    * [HIVE-3001] - Returning Meaningful Error Codes & Messages
    * [HIVE-3056] - Create a new metastore tool to bulk update location field in Db/Table/Partition records 
    * [HIVE-3066] - Add the option -database DATABASE in hive cli to specify a default database to use for the cli session.
    * [HIVE-3068] - Add ability to export table metadata as JSON on table drop
    * [HIVE-3072] - Hive List Bucketing - DDL support
    * [HIVE-3086] - Skewed Join Optimization
    * [HIVE-3152] - Disallow certain character patterns in partition names
    * [HIVE-3238] - A table generating, table generating function
    * [HIVE-3304] - sort merge join should work if both the tables are sorted in descending order
    * [HIVE-3433] - Implement CUBE and ROLLUP operators in Hive
    * [HIVE-3471] - Implement grouping sets in hive
    * [HIVE-3554] - Hive List Bucketing - Query logic
    * [HIVE-3610] - Add a command "Explain dependency ..."
    * [HIVE-3643] - Hive List Bucketing - set hive.mapred.supports.subdirectories
    * [HIVE-3649] - Hive List Bucketing - enhance DDL to specify list bucketing table
    * [HIVE-3705] - Adding authorization capability to the metastore
    * [HIVE-4053] - Add support for phonetic algorithms in Hive


** Task
    * [HIVE-1719] - Move RegexSerDe out of hive-contrib and over to hive-serde
    * [HIVE-2940] - RCFileMergeMapper Prints To Standard Output Even In Silent Mode
    * [HIVE-2979] - Implement INCLUDE_HADOOP_MAJOR_VERSION test macro
    * [HIVE-3002] - Revert HIVE-2986
    * [HIVE-3022] - Add hive.exec.rcfile.use.explicit.header to hive-default.xml.template
    * [HIVE-3061] - hive.binary.record.max.length is a magic string
    * [HIVE-3314] - Extract global limit configuration to optimizer
    * [HIVE-3388] - Improve Performance of UDF PERCENTILE_APPROX()
    * [HIVE-3501] - Track table and keys used in joins and group bys for logging
    * [HIVE-3679] - Unescape partition names returned by show partitions
    * [HIVE-3689] - Update website with info on how to report security bugs 


** Test
    * [HIVE-2937] - TestHiveServerSessions hangs when executed directly
    * [HIVE-2959] - TestRemoteHiveMetaStoreIpAddress always uses the same port
    * [HIVE-2960] - Stop testing concat of partitions containing control characters.
    * [HIVE-3427] - Newly added test testCliDriver_metadata_export_drop is consistently failing on trunk
    * [HIVE-3438] - Add tests for 'm' bigs tables sortmerge join with 'n' small tables where both m,n>1
    * [HIVE-3499] - add tests to use bucketing metadata for partitions
    * [HIVE-3551] - Add more tests where output of sort merge join is sorted
    * [HIVE-3749] - New test cases added by HIVE-3676 in insert1.q is not deterministic


** Wish
    * [HIVE-2969] - Log Time To Submit metric with PerfLogger


Release Notes - Hive - Version 0.9.0

** Sub-task
    * [HIVE-2433] - add DOAP file for Hive
    * [HIVE-2600] - Enable/Add type-specific compression for rcfile
    * [HIVE-2716] - Move retry logic in HiveMetaStore to a separe class
    * [HIVE-2771] - Add support for filter pushdown for key ranges in hbase for keys of type string


** Bug
    * [HIVE-727] - Hive Server getSchema() returns wrong schema for "Explain" queries
    * [HIVE-1444] - "hdfs" is hardcoded in few places in the code which inhibits use of other file systems
    * [HIVE-1892] - show functions also returns internal operators
    * [HIVE-2329] - Not using map aggregation, fails to execute group-by after cluster-by with same key
    * [HIVE-2503] - HiveServer should provide per session configuration
    * [HIVE-2504] - Warehouse table subdirectories should inherit the group permissions of the warehouse parent directory
    * [HIVE-2520] - left semi join will duplicate data
    * [HIVE-2543] - Compact index table's files merged in creation
    * [HIVE-2616] - Passing user identity from metastore client to server in non-secure mode
    * [HIVE-2617] - Insert overwrite table db.tname fails if partition already exists 
    * [HIVE-2618] - Describe partition returns table columns but should return partition columns
    * [HIVE-2629] - Make a single Hive binary work with both 0.20.x and 0.23.0
    * [HIVE-2631] - Make Hive work with Hadoop 1.0.0
    * [HIVE-2632] - ignore exception for external jars via reflection
    * [HIVE-2635] - wrong class loader used for external jars
    * [HIVE-2647] - Force Bash shell on parallel test slave nodes
    * [HIVE-2648] - Parallel tests fail if master directory is not present
    * [HIVE-2649] - Allow multiple ptest runs by the same person
    * [HIVE-2650] - Parallel test commands that include cd fail
    * [HIVE-2654] - "hive.querylog.location" requires parent directory to be exist or else folder creation fails
    * [HIVE-2657] - builtins JAR is not being published to Maven repo & hive-cli POM does not depend on it either
    * [HIVE-2660] - Need better exception handling in RCFile tolerate corruptions mode
    * [HIVE-2666] - StackOverflowError when using custom UDF in map join
    * [HIVE-2673] - Eclipse launch configurations fail due to unsatisfied builtins JAR dependency
    * [HIVE-2674] - get_partitions_ps throws TApplicationException if table doesn't exist
    * [HIVE-2681] - SUCESS is misspelled
    * [HIVE-2690] - a bug in 'alter table concatenate' that causes filenames getting double url encoded
    * [HIVE-2705] - SemanticAnalyzer twice swallows an exception it shouldn't
    * [HIVE-2706] - StackOverflowError when using custom UDF after adding archive after adding jars
    * [HIVE-2714] - Lots of special characters are not handled in LIKE
    * [HIVE-2718] - NPE in union followed by join
    * [HIVE-2724] - Remove unused lib/log4j-1.2.15.jar
    * [HIVE-2725] - Fix flaky testing infrastructure 
    * [HIVE-2734] - Fix some nondeterministic test output
    * [HIVE-2735] - PlanUtils.configureTableJobPropertiesForStorageHandler() is not called for partitioned table
    * [HIVE-2741] - Single binary built against 0.20 and 0.23, does not work against 0.23 clusters.
    * [HIVE-2746] - Metastore client doesn't log properly in case of connection failure to server
    * [HIVE-2749] - CONV returns incorrect results sometimes
    * [HIVE-2750] - Hive multi group by single reducer optimization causes invalid column reference error
    * [HIVE-2753] - Remove empty java files
    * [HIVE-2754] - NPE in union with lateral view
    * [HIVE-2755] - union follwowed by union_subq does not work if the subquery union has reducers
    * [HIVE-2758] - Metastore is caching too aggressively
    * [HIVE-2759] - Change global_limit.q into linux format file
    * [HIVE-2761] - Remove lib/javaewah-0.3.jar
    * [HIVE-2762] - Alter Table Partition Concatenate Fails On Certain Characters
    * [HIVE-2769] - union with a multi-table insert is not working
    * [HIVE-2772] - make union31.q deterministic
    * [HIVE-2778] - Fail on table sampling 
    * [HIVE-2782] - New BINARY type produces unexpected results with supported UDFS when using MapReduce2
    * [HIVE-2791] - filter is still removed due to regression of HIVE-1538 althougth HIVE-2344
    * [HIVE-2792] - SUBSTR(CAST(<string> AS BINARY)) produces unexpected results
    * [HIVE-2793] - Disable loadpart_err.q on 0.23
    * [HIVE-2811] - Export LANG=en_US.UTF-8 to environment while running tests
    * [HIVE-2824] - typo in configuration parameter
    * [HIVE-2831] - TestContribCliDriver.dboutput and TestCliDriver.input45 fail on 0.23
    * [HIVE-2833] - Fix test failures caused by HIVE-2716
    * [HIVE-2837] - insert into external tables should not be allowed
    * [HIVE-2838] - cleanup readentity/writeentity
    * [HIVE-2840] - INPUT__FILE__NAME virtual column returns unqualified paths on Hadoop 0.23
    * [HIVE-2856] - Fix TestCliDriver escape1.q failure on MR2
    * [HIVE-2857] - QTestUtil.cleanUp() fails with FileNotException on 0.23
    * [HIVE-2863] - Ambiguous table name or column reference message displays when table and column names are the same
    * [HIVE-2875] - Renaming partition changes partition location prefix
    * [HIVE-2883] - Metastore client doesnt close connection properly
    * [HIVE-2901] - Hive union with NULL constant and string in same column returns all null
    * [HIVE-2913] - BlockMergeTask Doesn't Honor Job Configuration Properties when used directly
    * [HIVE-2920] - TestStatsPublisherEnhanced throws NPE on JDBC connection failure
    * [HIVE-2923] - testAclPositive in TestZooKeeperTokenStore failing in clean checkout when run on Mac
    * [HIVE-2948] - HiveFileFormatUtils should use Path.SEPARATOR instead of File.Separator
    * [HIVE-2958] - GROUP BY causing ClassCastException [LazyDioInteger cannot be cast LazyInteger]
    * [HIVE-2970] - several jars in hive tar generated are not required
    * [HIVE-2992] - JOIN + LATERAL VIEW + MAPJOIN fails to return result (seems to stop halfway through and no longer do the final reduce part)
    * [HIVE-3596] - Regression - HiveConf static variable causes issues in long running JVM instances with /tmp/ data
    * [HIVE-3685] - TestCliDriver (script_pipe.q) failed with IBM JDK
    * [HIVE-4074] - Doc update for .8, .9 and .10


** Improvement
    * [HIVE-1040] - use sed rather than diff for masking out noise in diff-based tests
    * [HIVE-1487] - parallelize test query runs
    * [HIVE-1877] - Add java_method() as a synonym for the reflect() UDF
    * [HIVE-2203] - Extend concat_ws() UDF to support arrays of strings
    * [HIVE-2249] - When creating constant expression for numbers, try to infer type from another comparison operand, instead of trying to use integer first, and then long and double
    * [HIVE-2471] - Add timestamp column to the partition stats table.
    * [HIVE-2518] - pull junit jar from maven repos via ivy
    * [HIVE-2559] - Add target to install Hive JARs/POMs in the local Maven cache
    * [HIVE-2577] - Expose the HiveConf in HiveConnection API
    * [HIVE-2589] - Newly created partition should inherit properties from table
    * [HIVE-2611] - Make index table output of create index command if index is table based
    * [HIVE-2628] - move one line log from MapOperator to HiveContextAwareRecordReader
    * [HIVE-2640] - Add alterPartition to AlterHandler interface
    * [HIVE-2642] - fix Hive-2566 and make union optimization more aggressive 
    * [HIVE-2651] - The variable hive.exec.mode.local.auto.tasks.max should be changed
    * [HIVE-2652] - Change arc config to hide generated files from Differential by default
    * [HIVE-2662] - Add Ant configuration property for dumping classpath of tests
    * [HIVE-2665] - Support for metastore service specific HADOOP_OPTS environment setting
    * [HIVE-2676] - The row count that loaded to a table may not right   
    * [HIVE-2700] - Add 'ivy-clean-cache' and 'very-clean' Ant targets
    * [HIVE-2712] - Make ZooKeeper token store ACL configurable
    * [HIVE-2756] - Views should be added to the inputs of queries.
    * [HIVE-2760] - TestCliDriver should log elapsed time
    * [HIVE-2764] - Obtain delegation tokens for MR jobs in secure hbase setup  
    * [HIVE-2765] - hbase handler uses ZooKeeperConnectionException which is not compatible with HBase versions other than 0.89 
    * [HIVE-2773] - HiveStorageHandler.configureTableJobProperites() should let the handler know wether it is configuration for input or output
    * [HIVE-2779] - Improve hooks run in Driver
    * [HIVE-2781] - HBaseSerDe should allow users to specify the timestamp passed to Puts 
    * [HIVE-2795] - View partitions do not have a storage descriptor
    * [HIVE-2797] - Make the IP address of a Thrift client available to HMSHandler.
    * [HIVE-2823] - Add logging of total run time of Driver
    * [HIVE-2825] - Concatenating a partition does not inherit location from table
    * [HIVE-2827] - Implement nullsafe equi-join
    * [HIVE-2832] - Cache error messages for additional logging
    * [HIVE-2835] - Change default configuration for hive.exec.dynamic.partition
    * [HIVE-2841] - Fix javadoc warnings
    * [HIVE-2850] - Remove zero length files
    * [HIVE-2853] - Add pre event listeners to metastore
    * [HIVE-2858] - Cache remote map reduce job stack traces for additional logging
    * [HIVE-2861] - Support eventual constant expression for filter pushdown for key ranges in hbase
    * [HIVE-2864] - If hive history file's directory doesn't exist don't crash
    * [HIVE-2865] - hive-config.sh should honor HIVE_HOME env 
    * [HIVE-2866] - Cache local map reduce job errors for additional logging
    * [HIVE-2871] - Add a new hook to run at the beginning and end of the Driver.run method
    * [HIVE-2872] - Store which configs the user has explicitly changed
    * [HIVE-2879] - Add "rat" target to build to look for missing license headers
    * [HIVE-2881] - Remove redundant key comparing in SMBMapJoinOperator
    * [HIVE-2891] - TextConverter for UDF's is inefficient if the input object is already Text or Lazy
    * [HIVE-2908] - Hive: Extend ALTER TABLE DROP PARTITION syntax to use all comparators
    * [HIVE-2930] - Add license to the Hive files
    * [HIVE-2946] - Hive metastore does not have any log messages while shutting itself down. 
    * [HIVE-2961] - Remove need for storage descriptors for view partitions
    * [HIVE-3684] - Add support for filter pushdown for composite keys

** New Feature
    * [HIVE-1634] - Allow access to Primitive types stored in binary format in HBase
    * [HIVE-2005] - Implement BETWEEN operator
    * [HIVE-2279] - Implement sort_array UDF
    * [HIVE-2490] - Add reset operation and average time attribute to Metrics MBean.
    * [HIVE-2602] - add support for insert partition overwrite(...) if not exists
    * [HIVE-2612] - support hive table/partitions exists in more than one region
    * [HIVE-2621] - Allow multiple group bys with the same input data and spray keys to be run on the same reducer.
    * [HIVE-2695] - Add PRINTF() Udf
    * [HIVE-2698] - Enable Hadoop-1.0.0 in Hive
    * [HIVE-2810] - Implement NULL-safe equality operator <=>
    * [HIVE-2815] - Filter pushdown in hbase for keys stored in binary format
    * [HIVE-2819] - Closed range scans on hbase keys 
    * [HIVE-2822] - Add JSON output to the hive ddl commands
    * [HIVE-2894] - RCFile Reader doesn't provide access to Metadata
    * [HIVE-2898] - Add nicer helper functions for adding and reading metadata from RCFiles
    * [HIVE-2936] - Warehouse table subdirectories should inherit the group permissions of the warehouse parent directory


** Task
    * [HIVE-2645] - Hive Web Server startup messages logs incorrect path it is searching for WAR
    * [HIVE-2719] - Fix test failures caused by HIVE-2589
    * [HIVE-2748] - Upgrade Hbase and ZK dependcies
    * [HIVE-2768] - Add a getAuthorizationProvider to HiveStorageHandler
    * [HIVE-2805] - Move metastore upgrade scripts labeled 0.10.0 into scripts labeled 0.9.0
    * [HIVE-2962] - Remove unnecessary JAR dependencies
    * [HIVE-2965] - Revert HIVE-2612
    * [HIVE-2966] - Revert HIVE-2795
    * [HIVE-3804] - Row number issue in hive


** Test
    * [HIVE-2686] - Test ppr_pushdown.q is failing on trunk
    * [HIVE-2727] - add a testcase for partitioned view on union and base tables have index


** Wish
    * [HIVE-2682] - Clean-up logs


Release Notes - Hive - Version 0.8.0

** New Feature
    * [HIVE-192] - Add TIMESTAMP column type for thrift dynamic_type
    * [HIVE-306] - Support "INSERT [INTO] destination"
    * [HIVE-788] - Triggers when a new partition is created for a table
    * [HIVE-818] - Create a Hive CLI that connects to hive ThriftServer
    * [HIVE-872] - Allow type widening on COALESCE/UNION ALL
    * [HIVE-956] - Add support of columnar binary serde
    * [HIVE-1003] - optimize metadata only queries
    * [HIVE-1310] - Partitioning columns should be of primitive types only
    * [HIVE-1343] - add an interface in RCFile to support concatenation of two files without (de)compression
    * [HIVE-1537] - Allow users to specify LOCATION in CREATE DATABASE statement
    * [HIVE-1694] - Accelerate GROUP BY execution using indexes
    * [HIVE-1734] - Implement map_keys() and map_values() UDFs
    * [HIVE-1735] - Extend Explode UDTF to handle Maps
    * [HIVE-1803] - Implement bitmap indexing in Hive
    * [HIVE-1918] - Add export/import facilities to the hive system
    * [HIVE-1941] - support explicit view partitioning
    * [HIVE-1950] - Block merge for RCFile
    * [HIVE-2090] - Add "DROP DATABASE ... CASCADE/RESTRICT"
    * [HIVE-2121] - Input Sampling By Splits
    * [HIVE-2185] - extend table statistics to store the size of uncompressed data (+extend interfaces for collecting other types of statistics)
    * [HIVE-2188] - Add get_table_objects_by_name() to Hive MetaStore
    * [HIVE-2215] - Add api for marking / querying set of partitions for events
    * [HIVE-2223] - support grouping on complex types in Hive
    * [HIVE-2225] - Purge expired events
    * [HIVE-2236] - Cli: Print Hadoop's CPU milliseconds
    * [HIVE-2244] - Add a Plugin Developer Kit to Hive
    * [HIVE-2272] - add TIMESTAMP data type
    * [HIVE-2278] - Support archiving for multiple partitions if the table is partitioned by multiple columns
    * [HIVE-2380] - Add Binary Datatype in Hive
    * [HIVE-2500] - Allow Hive to be debugged remotely
    * [HIVE-2509] - Literal bigint
    * [HIVE-2561] - Allow UDFs to specify additional FILE/JAR resources necessary for execution

** Bug
    * [HIVE-11] - better error code from Hive describe command
    * [HIVE-106] - Join operation fails for some queries
    * [HIVE-619] - Improve the error messages for missing/incorrect UDF/UDAF class
    * [HIVE-1218] - CREATE TABLE t LIKE some_view should create a new empty base table, but instead creates a copy of view
    * [HIVE-1302] - describe parse_url throws an error
    * [HIVE-1342] - Predicate push down get error result when sub-queries have the same alias name 
    * [HIVE-1461] - Clean up references to 'hive.metastore.local'
    * [HIVE-1538] - FilterOperator is applied twice with ppd on.
    * [HIVE-1592] - ProxyFileSystem.close calls super.close twice.
    * [HIVE-1595] - job name for alter table <T> archive partition <P> is not correct
    * [HIVE-1631] - JDBC driver returns wrong precision, scale, or column size for some data types
    * [HIVE-1675] - SAXParseException on plan.xml during local mode.
    * [HIVE-1825] - Different defaults for hive.metastore.local
    * [HIVE-1850] - alter table set serdeproperties bypasses regexps checks (leaves table in a non-recoverable state?)
    * [HIVE-1884] - Potential risk of resource leaks in Hive
    * [HIVE-1937] - DDLSemanticAnalyzer won't take newly set Hive parameters
    * [HIVE-1943] - Metastore operations (like drop_partition) could be improved in terms of maintaining consistency of metadata and data
    * [HIVE-1959] - Potential memory leak when same connection used for long time. TaskInfo and QueryInfo objects are getting accumulated on executing more queries on the same connection.
    * [HIVE-1963] - Don't set ivy.home in build-common.xml
    * [HIVE-1965] - Auto convert mapjoin should not throw exception if the top operator is union operator.
    * [HIVE-1973] - Getting error when join on tables where name of table has uppercase letters
    * [HIVE-1974] - In error scenario some opened streams may not closed in ScriptOperator.java, Utilities.java 
    * [HIVE-1975] - "insert overwrite directory" Not able to insert data with multi level directory path
    * [HIVE-1976] - Exception should be thrown when invalid jar,file,archive is given to add command
    * [HIVE-1980] - Merging using mapreduce rather than map-only job failed in case of dynamic partition inserts
    * [HIVE-1987] - HWI admin_list_jobs JSP page throws exception
    * [HIVE-1988] - Make the delegation token issued by the MetaStore owned by the right user
    * [HIVE-2001] - Add inputs and outputs to authorization DDL commands
    * [HIVE-2003] - LOAD compilation does not set the outputs during semantic analysis resulting in no authorization checks being done for it.
    * [HIVE-2008] - keyword_1.q is failing
    * [HIVE-2022] - Making JDO thread-safe by default
    * [HIVE-2024] - In Driver.execute(), mapred.job.tracker is not restored if one of the task fails.
    * [HIVE-2025] - Fix TestEmbeddedHiveMetaStore and TestRemoteHiveMetaStore broken by HIVE-2022
    * [HIVE-2031] - Correct the exception message for the better traceability for the scenario load into the partitioned table having 2  partitions by specifying only one partition in the load statement. 
    * [HIVE-2032] - create database does not honour warehouse.dir in dbproperties
    * [HIVE-2033] - A database's warehouse.dir is not used for tables created in it.
    * [HIVE-2034] - Backport HIVE-1991 after overridden by HIVE-1950
    * [HIVE-2037] - Merge result file size should honor hive.merge.size.per.task
    * [HIVE-2040] - the retry logic in Hive's concurrency  is not working correctly.
    * [HIVE-2042] - In error scenario some opened streams may not closed
    * [HIVE-2045] - TCTLSeparatedProtocol.SimpleTransportTokenizer.nextToken() throws Null Pointer Exception in some cases
    * [HIVE-2054] - Exception on windows when using the jdbc driver. "IOException: The system cannot find the path specified"
    * [HIVE-2060] - CLI local mode hit NPE when exiting by ^D
    * [HIVE-2061] - Create a hive_contrib.jar symlink to hive-contrib-{version}.jar for backward compatibility
    * [HIVE-2062] - HivePreparedStatement.executeImmediate always throw exception
    * [HIVE-2069] - NullPointerException on getSchemas
    * [HIVE-2080] - Few code improvements in the ql and serde packages.
    * [HIVE-2083] - Bug: RowContainer was set to 1 in JoinUtils.
    * [HIVE-2086] - Add test coverage for external table data loss issue
    * [HIVE-2095] - auto convert map join bug
    * [HIVE-2096] - throw a error if the input is larger than a threshold for index input format
    * [HIVE-2098] - Make couple of convenience methods in EximUtil public
    * [HIVE-2100] - virtual column references inside subqueries cause execution exceptions
    * [HIVE-2107] - Log4J initialization info should not be printed out if -S is specified
    * [HIVE-2113] - In shell mode, local mode continues if a local-mode task throws exception in pre-hooks
    * [HIVE-2117] - insert overwrite ignoring partition location
    * [HIVE-2120] - auto convert map join may miss good candidates
    * [HIVE-2122] - Remove usage of deprecated methods from org.apache.hadoop.io package
    * [HIVE-2125] - alter table concatenate fails and deletes data
    * [HIVE-2131] - Bitmap Operation UDF doesn't clear return list
    * [HIVE-2138] - Exception when no splits returned from index
    * [HIVE-2142] - Jobs do not get killed even when they created too many files.
    * [HIVE-2145] - NPE during parsing order-by expression
    * [HIVE-2146] - Block Sampling should adjust number of reducers accordingly to make it useful
    * [HIVE-2151] - Too many open files in running negative cli tests
    * [HIVE-2153] - Stats JDBC LIKE queries should escape '_' and '%'
    * [HIVE-2157] - NPE in MapJoinObjectKey
    * [HIVE-2159] - TableSample(percent ) uses one intermediate size to be int, which overflows for large sampled size, making the sampling never triggered.
    * [HIVE-2160] - Few code improvements in the metastore,hwi and ql packages.
    * [HIVE-2176] - Schema creation scripts are incomplete since they leave out tables that are specific to DataNucleus
    * [HIVE-2178] - Log related Check style Comments fixes
    * [HIVE-2181] -  Clean up the scratch.dir (tmp/hive-root) while restarting Hive server. 
    * [HIVE-2182] - Avoid null pointer exception when executing UDF
    * [HIVE-2183] - In Task class and its subclasses logger is initialized in constructor
    * [HIVE-2184] - Few improvements in org.apache.hadoop.hive.ql.metadata.Hive.close()
    * [HIVE-2186] - Dynamic Partitioning Failing because of characters not supported globStatus
    * [HIVE-2192] - Stats table schema incompatible after HIVE-2185
    * [HIVE-2196] - Ensure HiveConf includes all properties defined in hive-default.xml
    * [HIVE-2197] - SessionState used before ThreadLocal set
    * [HIVE-2198] - While using Hive in server mode, HiveConnection.close() is not cleaning up server side resources
    * [HIVE-2199] - incorrect success flag passed to jobClose
    * [HIVE-2204] - unable to get column names for a specific table that has '_' as part of its table name
    * [HIVE-2211] - Fix a bug caused by HIVE-243
    * [HIVE-2214] - CommandNeedRetryException.java is missing ASF header
    * [HIVE-2222] - runnable queue in Driver and DriverContext is not thread safe
    * [HIVE-2237] - hive fails to build in eclipse due to syntax error in BitmapIndexHandler.java
    * [HIVE-2243] - Can't publish maven release artifacts to apache repository
    * [HIVE-2248] - Comparison Operators convert number types to common type instead of double if possible
    * [HIVE-2253] - Merge failing of join tree in exceptional case
    * [HIVE-2257] - Enable TestHadoop20SAuthBridge
    * [HIVE-2259] - Skip comments in hive script
    * [HIVE-2260] - ExecDriver::addInputPaths should pass the table properties to the record writer
    * [HIVE-2275] - Revert HIVE-2219 and apply correct patch to improve the efficiency of dropping multiple partitions
    * [HIVE-2276] - Fix Inconsistency between RB and JIRA patches for HIVE-2194
    * [HIVE-2281] - Regression introduced from HIVE-2155
    * [HIVE-2286] - ClassCastException when building index with security.authorization turned on
    * [HIVE-2287] - Error during UNARCHIVE of a partition
    * [HIVE-2292] - Comment clause should immediately follow identifier field in CREATE DATABASE statement
    * [HIVE-2294] - Allow ShimLoader to work with Hadoop 0.20-append
    * [HIVE-2296] - bad compressed file names from insert into
    * [HIVE-2298] - Fix UDAFPercentile to tolerate null percentiles
    * [HIVE-2303] - files with control-A,B are not delimited correctly.
    * [HIVE-2307] - Schema creation scripts for PostgreSQL use bit(1) instead of boolean
    * [HIVE-2309] - Incorrect regular expression for extracting task id from filename
    * [HIVE-2315] - DatabaseMetadata.getColumns() does not return partition column names for a table
    * [HIVE-2319] - Calling alter_table after changing partition comment throws an exception
    * [HIVE-2322] - Add ColumnarSerDe to the list of native SerDes
    * [HIVE-2326] - Turn off bitmap indexing when map-side aggregation is turned off
    * [HIVE-2328] - hive.zookeeper.session.timeout is set to null in hive-default.xml
    * [HIVE-2331] - Turn off compression when generating index intermediate results
    * [HIVE-2334] - DESCRIBE TABLE causes NPE when hive.cli.print.header=true
    * [HIVE-2335] - Indexes are still automatically queried when out of sync with their source tables
    * [HIVE-2337] - Predicate pushdown erroneously conservative with outer joins
    * [HIVE-2338] - Alter table always throws an unhelpful error on failure
    * [HIVE-2342] - mirror.facebook.net is 404ing
    * [HIVE-2343] - stats not updated for non "load table desc" operations
    * [HIVE-2344] - filter is removed due to regression of HIVE-1538
    * [HIVE-2356] - Fix udtf_explode.q and udf_explode.q test failures
    * [HIVE-2358] - JDBC DatabaseMetaData and ResultSetMetaData need to match for particular types
    * [HIVE-2362] - HiveConf properties not appearing in the output of 'set' or 'set -v'
    * [HIVE-2366] - Metastore upgrade scripts for HIVE-2246 do not migrate indexes nor rename the old COLUMNS table
    * [HIVE-2368] - Slow dropping of partitions caused by full listing of storage descriptors
    * [HIVE-2369] - Minor typo in error message in HiveConnection.java (JDBC)
    * [HIVE-2382] - Invalid predicate pushdown from incorrect column expression map for select operator generated by GROUP BY operation
    * [HIVE-2383] - Incorrect alias filtering for predicate pushdown
    * [HIVE-2384] - import of multiple partitions from a partitioned table with external location overwrites files
    * [HIVE-2386] - Add Mockito to LICENSE file
    * [HIVE-2391] - published POMs in Maven repo are incorrect
    * [HIVE-2393] - Fix whitespace test diff accidentally introduced in HIVE-1360
    * [HIVE-2398] - Hive server doesn't return schema for 'set' command
    * [HIVE-2402] - Function like with empty string is throwing null pointer exception
    * [HIVE-2405] - get_privilege does not get user level privilege
    * [HIVE-2407] - File extensions not preserved in Hive.checkPaths when renaming new destination file
    * [HIVE-2411] - Metastore server tries to connect to NN without authenticating itself
    * [HIVE-2412] - Update Eclipse configuration to include Mockito dependency
    * [HIVE-2413] - BlockMergeTask ignores client-specified jars
    * [HIVE-2417] - Merging of compressed rcfiles fails to write the valuebuffer part correctly
    * [HIVE-2429] - skip corruption bug that cause data not decompressed
    * [HIVE-2431] - upgrading thrift version didn't upgrade libthrift.jar symlink correctly
    * [HIVE-2451] - TABLESAMBLE(BUCKET xxx) sometimes doesn't trigger input pruning as regression of HIVE-1538
    * [HIVE-2455] - Pass correct remoteAddress in proxy user authentication
    * [HIVE-2459] - remove all @author tags from source
    * [HIVE-2463] - fix Eclipse for javaewah upgrade
    * [HIVE-2465] - Primitive Data Types returning null if the data is out of range of the data type.
    * [HIVE-2466] - mapjoin_subquery  dump small table (mapjoin table) to the same file
    * [HIVE-2472] - Metastore statistics are not being updated for CTAS queries.
    * [HIVE-2474] - Hive PDK needs an Ivy configuration file
    * [HIVE-2481] - HadoopJobExecHelper does not handle null counters well
    * [HIVE-2486] - Phabricator for code review
    * [HIVE-2487] - Bug from HIVE-2446, the code that calls client stats publishers run() methods is in wrong place, should be in the same method but inside of while (!rj.isComplete()) {} loop
    * [HIVE-2488] - PDK tests failing on Hudson because HADOOP_HOME is not defined
    * [HIVE-2492] - PDK PluginTest failing on Hudson
    * [HIVE-2497] - partition pruning  prune some right partition under specific conditions
    * [HIVE-2499] - small table filesize for automapjoin is not consistent in HiveConf.java and hive-default.xml
    * [HIVE-2501] - When new instance of Hive (class) is created, the current database is reset to default (current database shouldn't be changed).
    * [HIVE-2510] - Hive throws Null Pointer Exception upon CREATE TABLE <db_name>.<table_name> ....     if the given <db_name> doesn't exist
    * [HIVE-2516] - cleaunup QTestUtil: use test.data.files as current directory if one not specified
    * [HIVE-2519] - Dynamic partition insert should enforce the order of the partition spec is the same as the one in schema
    * [HIVE-2522] - HIVE-2446 bug (next one) - If constructor of ClientStatsPublisher throws runtime exception it will be propagated to HadoopJobExecHelper's progress method and beyond, whereas it shouldn't
    * [HIVE-2531] - Allow people to use only issue numbers without 'HIVE-' prefix with `arc diff --jira`.
    * [HIVE-2532] - Evaluation of non-deterministic/stateful UDFs should not be skipped even if constant oi is returned.
    * [HIVE-2534] - HiveIndexResult creation fails due to file system issue
    * [HIVE-2536] - Support scientific notation for Double literals
    * [HIVE-2548] - How to submit documentation fixes
    * [HIVE-2550] - Provide jira_base_url for improved arc commit workflow
    * [HIVE-2556] - upgrade script 008-HIVE-2246.mysql.sql contains syntax errors
    * [HIVE-2562] - HIVE-2247 Changed the Thrift API causing compatibility issues.
    * [HIVE-2565] - Add Java linter to Hive
    * [HIVE-2568] - HIVE-2246 upgrade script needs to drop foreign key in COLUMNS_OLD
    * [HIVE-2571] - eclipse template .classpath is broken
    * [HIVE-2572] - HIVE-2246 upgrade script changed the COLUMNS_V2.COMMENT length
    * [HIVE-2574] - ivy offline mode broken by changingPattern and checkmodified attributes
    * [HIVE-2578] - Debug mode in some situations doesn't work properly when child JVM  is started from MapRedLocalTask
    * [HIVE-2580] - Hive build fails with error "java.io.IOException: Not in GZIP format"
    * [HIVE-2581] - explain task: getJSONPlan throws a NPE if the ast is null
    * [HIVE-2583] - bug in ivy 2.2.0 breaks build
    * [HIVE-2588] - Update arcconfig to include commit listener
    * [HIVE-2590] - HBase bulk load wiki page improvements
    * [HIVE-2598] - Update README.txt file to use description from wiki
    * [HIVE-2613] - HiveCli eclipse launch configuration hangs
    * [HIVE-2622] - Hive POMs reference the wrong Hadoop artifacts
    * [HIVE-2624] - Fix eclipse classpath template broken in HIVE-2523
    * [HIVE-2625] - Fix maven-build Ant target
    * [HIVE-2630] - TestHiveServer doesn't produce a JUnit report file
    * [HIVE-2634] - revert HIVE-2566
    * [HIVE-2643] - Recent patch prevents Hadoop confs from loading in 0.20.204

** Improvement
    * [HIVE-1078] - CREATE VIEW followup:  CREATE OR REPLACE
    * [HIVE-1360] - Allow UDFs to access constant parameter values at compile time
    * [HIVE-1567] - increase hive.mapjoin.maxsize to 10 million
    * [HIVE-1644] - use filter pushdown for automatically accessing indexes
    * [HIVE-1690] - HivePreparedStatement.executeImmediate(String sql) is breaking the exception stack
    * [HIVE-1731] - Improve miscellaneous error messages
    * [HIVE-1740] - support NOT IN and NOT LIKE syntax
    * [HIVE-1741] - HiveInputFormat.readFields should print the cause when there's an exception
    * [HIVE-1784] - Ctrl+c should kill currently running query, but not exit the CLI
    * [HIVE-1815] - The class HiveResultSet should implement batch fetching.
    * [HIVE-1833] - Task-cleanup task should be disabled
    * [HIVE-1887] - HIVE-78 Followup: group partitions by tables when do authorizations and there is no partition level privilege
    * [HIVE-1916] - Change Default Alias For Aggregated Columns (_c1)
    * [HIVE-1966] - mapjoin operator should not load hashtable for each new inputfile if the hashtable to be loaded is already there.
    * [HIVE-1989] - recognize transitivity of predicates on join keys
    * [HIVE-1991] - Hive Shell to output number of mappers and number of reducers
    * [HIVE-1994] - Support new annotation @UDFType(stateful = true)
    * [HIVE-2000] - adding comments to Hive Stats JDBC queries 
    * [HIVE-2002] - Expand exceptions caught for metastore operations
    * [HIVE-2018] - avoid loading Hive aux jars in CLI remote mode
    * [HIVE-2020] - Create a separate namespace for Hive variables
    * [HIVE-2028] - Performance instruments for client side execution
    * [HIVE-2030] - isEmptyPath() to use ContentSummary cache
    * [HIVE-2035] - Use block-level merge for RCFile if merging intermediate results are needed
    * [HIVE-2036] - Update bitmap indexes for automatic usage
    * [HIVE-2038] - Metastore listener
    * [HIVE-2039] - remove hadoop version check from hive cli shell script
    * [HIVE-2051] - getInputSummary() to call FileSystem.getContentSummary() in parallel
    * [HIVE-2052] - PostHook and PreHook API to add flag to indicate it is pre or post hook plus cache for content summary
    * [HIVE-2056] - Generate single MR job for multi groupby query if hive.multigroupby.singlemr is enabled.
    * [HIVE-2068] - Speed up query "select xx,xx from xxx LIMIT xxx" if no filtering or aggregation
    * [HIVE-2070] - SHOW GRANT grantTime field should be a human-readable timestamp
    * [HIVE-2082] - Reduce memory consumption in preparing MapReduce job
    * [HIVE-2106] - Increase the number of operator counter 
    * [HIVE-2109] - No lock for some non-mapred tasks config variable hive.lock.mapred.only.operation added
    * [HIVE-2119] - Optimizer on partition field
    * [HIVE-2126] - Hive's symlink text input format should be able to work with ComineHiveInputFormat
    * [HIVE-2127] - Improve stats gathering reliability by retries on failures with hive.stats.retries.max and hive.stats.retries.wait
    * [HIVE-2128] - Automatic Indexing with multiple tables
    * [HIVE-2133] - DROP TABLE IF EXISTS should not fail if a view of that name exists
    * [HIVE-2134] - Remove System.exit 
    * [HIVE-2139] - Enables HiveServer to accept -hiveconf option
    * [HIVE-2144] - reduce workload generated by JDBCStatsPublisher
    * [HIVE-2147] - Add api to send / receive message to metastore
    * [HIVE-2148] - Add interface classification in Hive.
    * [HIVE-2154] - add exception handling to hive's record reader 
    * [HIVE-2155] - Improve error messages emitted during semantic analysis
    * [HIVE-2156] - Improve error messages emitted during task execution
    * [HIVE-2171] - Allow custom serdes to set field comments
    * [HIVE-2191] - Allow optional [inner] on equi-join.
    * [HIVE-2194] - Add actions for alter table and alter partition events for metastore event listeners
    * [HIVE-2201] - reduce name node calls in hive by creating temporary directories
    * [HIVE-2208] - create a new API in Warehouse where the root directory is specified
    * [HIVE-2209] - Provide a way by which ObjectInspectorUtils.compare can be extended by the caller for comparing maps which are part of the object
    * [HIVE-2210] - ALTER VIEW RENAME
    * [HIVE-2213] - Optimize partial specification metastore functions
    * [HIVE-2217] - add Query text for debugging in lock data
    * [HIVE-2218] - speedup addInputPaths
    * [HIVE-2219] - Make "alter table drop partition" more efficient
    * [HIVE-2221] - Provide metastore upgarde script for HIVE-2215
    * [HIVE-2224] - Ability to add partitions atomically
    * [HIVE-2226] - Add API to retrieve table names by an arbitrary filter, e.g., by owner, retention, parameters, etc.
    * [HIVE-2233] - Show current database in hive prompt
    * [HIVE-2245] - Make CombineHiveInputFormat the default hive.input.format
    * [HIVE-2246] - Dedupe tables' column schemas from partitions in the metastore db
    * [HIVE-2252] - Display a sample of partitions created when Fatal Error occurred due to too many partitioned created
    * [HIVE-2256] - Better error message in CLI on invalid column name
    * [HIVE-2282] - Local mode needs to work well with block sampling
    * [HIVE-2284] - bucketized map join should allow join key as a superset of bucketized columns
    * [HIVE-2290] - Improve error messages for DESCRIBE command
    * [HIVE-2299] - Optimize Hive query startup time for multiple partitions
    * [HIVE-2346] - Add hooks to run when execution fails.
    * [HIVE-2347] - Make Hadoop Job ID available after task finishes executing
    * [HIVE-2350] - Improve RCFile Read Speed
    * [HIVE-2354] - Support automatic rebuilding of indexes when they go stale
    * [HIVE-2364] - Make performance logging configurable.
    * [HIVE-2370] - Improve RCFileCat performance significantly
    * [HIVE-2378] - Warn user that precision is lost when bigint is implicitly cast to double.
    * [HIVE-2385] - Local Mode can be more aggressive if LIMIT optimization is on
    * [HIVE-2396] - RCFileReader Buffer Reuse
    * [HIVE-2404] - Allow RCFile Reader to tolerate corruptions
    * [HIVE-2440] - make hive mapper initialize faster when having tons of input files
    * [HIVE-2445] - The PerfLogger should log the full name of hooks, not just the simple name.
    * [HIVE-2446] - Introduction of client statistics publishers possibility
    * [HIVE-2447] - Add job ID to MapRedStats
    * [HIVE-2448] - Upgrade JavaEWAH to 0.3
    * [HIVE-2450] - move lock retry logic into ZooKeeperHiveLockManager
    * [HIVE-2453] - Need a way to categorize queries in hooks for improved logging
    * [HIVE-2456] - JDBCStatsAggregator DELETE STATEMENT should escape _ and %
    * [HIVE-2457] - Files in Avro-backed Hive tables do not have a ".avro" extension
    * [HIVE-2458] - Group-by query optimization Followup: add flag in conf/hive-default.xml
    * [HIVE-2461] - Add method to PerfLogger to perform cleanup/final steps.
    * [HIVE-2462] - make INNER a non-reserved keyword
    * [HIVE-2467] - HA Support for Metastore Server 
    * [HIVE-2470] - Improve support for Constant Object Inspectors
    * [HIVE-2479] - Log more Hadoop task counter values in the MapRedStats class.
    * [HIVE-2484] - Enable ALTER TABLE SET SERDE to work on partition level
    * [HIVE-2505] - Update junit jar in testlibs
    * [HIVE-2506] - Get ConstantObjectInspectors working in UDAFs
    * [HIVE-2515] - Make Constant OIs work with UDTFs.
    * [HIVE-2523] - add a new builtins subproject
    * [HIVE-2527] - Consecutive string literals should be combined into a single string literal.
    * [HIVE-2535] - Use sorted nature of compact indexes
    * [HIVE-2545] - Make metastore log4j configuration file configurable again.
    * [HIVE-2546] - add explain formatted
    * [HIVE-2553] - Use hashing instead of list traversal for IN operator for primitive types
    * [HIVE-2566] - reduce the number map-reduce jobs for union all
    * [HIVE-2569] - Too much debugging info on console if a job failed
    * [HIVE-2593] - avoid referencing /tmp in tests
    * [HIVE-2605] - Setting no_drop on a table should cascade to child partitions
    * [HIVE-2607] - Add caching to json_tuple
    * [HIVE-2619] - Add hook to run in metastore's endFunction which can collect more fb303 counters

** Task
    * [HIVE-1095] - Hive in Maven
    * [HIVE-2076] - Provide Metastore upgrade scripts and default schemas for PostgreSQL
    * [HIVE-2161] - Remaining patch for HIVE-2148
    * [HIVE-2239] - Use the version commons-codec from Hadoop
    * [HIVE-2376] - Upgrade Hive's Thrift dependency to version 0.7.0
    * [HIVE-2441] - Metastore upgrade scripts for schema change introduced in HIVE-2215
    * [HIVE-2442] - Metastore upgrade script and schema DDL for Hive 0.8.0
    * [HIVE-2468] - Make Hive compile against Hadoop 0.23
    * [HIVE-2491] - Add pdk, hbase-handler etc as source dir in eclipse
    * [HIVE-2521] - Update wiki links in README file
    * [HIVE-2552] - Omit incomplete Postgres upgrade scripts from release tarball

** Sub-task
    * [HIVE-559] - Support JDBC ResultSetMetadata
    * [HIVE-1983] - Bundle Log4j configuration files in Hive JARs
    * [HIVE-2049] - Push down partition pruning to JDO filtering for a subset of partition predicates
    * [HIVE-2050] - batch processing partition pruning process
    * [HIVE-2114] - Backward incompatibility introduced from HIVE-2082 in MetaStoreUtils.getPartSchemaFromTableSchema()
    * [HIVE-2118] - Partition Pruning bug in the case of hive.mapred.mode=nonstrict
    * [HIVE-2140] - Return correct Major / Minor version numbers for Hive Driver
    * [HIVE-2158] - add the HivePreparedStatement implementation based on current HIVE supported data-type
    * [HIVE-2434] - add a TM to Hive logo image
    * [HIVE-2435] - Update project naming and description in Hive wiki
    * [HIVE-2436] - Update project naming and description in Hive website
    * [HIVE-2437] - update project website navigation links
    * [HIVE-2438] - add trademark attributions to Hive homepage
    * [HIVE-2476] - Update project description and wiki link in ivy.xml files

** Test
    * [HIVE-2426] - Test that views with joins work properly
    * [HIVE-2493] - TestLazySimpleSerde fails randomly
    * [HIVE-2513] - create a test to verify that partition pruning works for partitioned views with a union

** Wish
    * [HIVE-243] - ^C breaks out of running query, but not whole CLI


Release Notes - Hive - Version 0.7.0

** New Feature
    * [HIVE-78] - Authorization infrastructure for Hive
    * [HIVE-417] - Implement Indexing in Hive
    * [HIVE-471] - Add reflect() UDF for reflective invocation of Java methods
    * [HIVE-537] - Hive TypeInfo/ObjectInspector to support union (besides struct, array, and map)
    * [HIVE-842] - Authentication Infrastructure for Hive
    * [HIVE-1096] - Hive Variables
    * [HIVE-1293] - Concurrency Model for Hive
    * [HIVE-1304] - add row_sequence UDF
    * [HIVE-1405] - hive command line option -i to run an init file before other SQL commands
    * [HIVE-1408] - add option to let hive automatically run in local mode based on tunable heuristics
    * [HIVE-1413] - bring a table/partition offline
    * [HIVE-1438] - sentences() UDF for natural language tokenization
    * [HIVE-1481] - ngrams() UDAF for estimating top-k n-gram frequencies
    * [HIVE-1514] - Be able to modify a partition's fileformat and file location information.
    * [HIVE-1518] - context_ngrams() UDAF for estimating top-k contextual n-grams
    * [HIVE-1528] - Add json_tuple() UDTF function
    * [HIVE-1529] - Add ANSI SQL covariance aggregate functions: covar_pop and covar_samp.
    * [HIVE-1549] - Add ANSI SQL correlation aggregate function CORR(X,Y).
    * [HIVE-1609] - Support partition filtering in metastore
    * [HIVE-1624] - Patch to allows scripts in S3 location
    * [HIVE-1636] - Implement "SHOW TABLES {FROM | IN} db_name"
    * [HIVE-1659] - parse_url_tuple: a UDTF version of parse_url
    * [HIVE-1661] - Default values for parameters
    * [HIVE-1779] - Implement GenericUDF str_to_map
    * [HIVE-1790] - Patch to support HAVING clause in Hive
    * [HIVE-1792] - track the joins which are being converted to map-join automatically
    * [HIVE-1818] - Call frequency and duration metrics for HiveMetaStore via jmx
    * [HIVE-1819] - maintain lastAccessTime in the metastore
    * [HIVE-1820] - Make Hive database data center aware
    * [HIVE-1827] - Add a new local mode flag in Task.
    * [HIVE-1835] - Better auto-complete for Hive
    * [HIVE-1840] - Support ALTER DATABASE to change database properties
    * [HIVE-1856] - Implement DROP TABLE/VIEW ... IF EXISTS
    * [HIVE-1858] - Implement DROP {PARTITION, INDEX, TEMPORARY FUNCTION} IF EXISTS
    * [HIVE-1881] - Make the MetaStore filesystem interface pluggable via the hive.metastore.fs.handler.class configuration property
    * [HIVE-1889] - add an option (hive.index.compact.file.ignore.hdfs) to ignore HDFS location stored in index files.
    * [HIVE-1971] - Verbose/echo mode for the Hive CLI

** Improvement
    * [HIVE-138] - Provide option to export a HEADER
    * [HIVE-474] - Support for distinct selection on two or more columns
    * [HIVE-558] - describe extended table/partition output is cryptic
    * [HIVE-1126] - Missing some Jdbc functionality like getTables getColumns and HiveResultSet.get* methods based on column name.
    * [HIVE-1211] - Tapping logs from child processes
    * [HIVE-1226] - support filter pushdown against non-native tables
    * [HIVE-1229] - replace dependencies on HBase deprecated API
    * [HIVE-1235] - use Ivy for fetching HBase dependencies
    * [HIVE-1264] - Make Hive work with Hadoop security
    * [HIVE-1378] - Return value for map, array, and struct needs to return a string
    * [HIVE-1394] - do not update transient_lastDdlTime if the partition is modified by a housekeeping operation
    * [HIVE-1414] - automatically invoke .hiverc init script
    * [HIVE-1415] - add CLI command for executing a SQL script
    * [HIVE-1430] - serializing/deserializing the query plan is useless and expensive
    * [HIVE-1441] - Extend ivy offline mode to cover metastore downloads
    * [HIVE-1443] - Add support to turn off bucketing with ALTER TABLE
    * [HIVE-1447] - Speed up reflection method calls in GenericUDFBridge and GenericUDAFBridge
    * [HIVE-1456] - potentail NullPointerException
    * [HIVE-1463] - hive output file names are unnecessarily large
    * [HIVE-1469] - replace isArray() calls and remove LOG.isInfoEnabled() in Operator.forward()
    * [HIVE-1495] - supply correct information to hooks and lineage for index rebuild
    * [HIVE-1497] - support COMMENT clause on CREATE INDEX, and add new command for SHOW INDEXES
    * [HIVE-1498] - support IDXPROPERTIES on CREATE INDEX
    * [HIVE-1512] - Need to get hive_hbase-handler to work with hbase versions 0.20.4 0.20.5 and cloudera CDH3 version
    * [HIVE-1513] - hive starter scripts should load admin/user supplied script for configurability
    * [HIVE-1517] - ability to select across a database
    * [HIVE-1533] - Use ZooKeeper from maven
    * [HIVE-1536] - Add support for JDBC PreparedStatements
    * [HIVE-1546] - Ability to plug custom Semantic Analyzers for Hive Grammar
    * [HIVE-1581] - CompactIndexInputFormat should create split only for files in the index output file.
    * [HIVE-1605] - regression and improvements in handling NULLs in joins
    * [HIVE-1611] - Add alternative search-provider to Hive site
    * [HIVE-1616] - Add ProtocolBuffersStructObjectInspector
    * [HIVE-1617] - ScriptOperator's AutoProgressor can lead to an infinite loop
    * [HIVE-1622] - Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true
    * [HIVE-1638] - convert commonly used udfs to generic udfs
    * [HIVE-1641] - add map joined table to distributed cache
    * [HIVE-1642] - Convert join queries to map-join based on size of table/row
    * [HIVE-1645] - ability to specify parent directory for zookeeper lock manager
    * [HIVE-1655] - Adding consistency check at jobClose() when committing dynamic partitions
    * [HIVE-1660] - Change get_partitions_ps to pass partition filter to database
    * [HIVE-1692] - FetchOperator.getInputFormatFromCache hides causal exception
    * [HIVE-1701] - drop support for pre-0.20 Hadoop versions
    * [HIVE-1704] - remove Hadoop 0.17 specific test reference logs
    * [HIVE-1738] - Optimize Key Comparison in GroupByOperator
    * [HIVE-1743] - Group-by to determine equals of Keys in reverse order
    * [HIVE-1746] - Support for using ALTER to set IDXPROPERTIES
    * [HIVE-1749] - ExecMapper and ExecReducer: reduce function calls to l4j.isInfoEnabled()
    * [HIVE-1750] - Remove Partition Filtering Conditions when Possible
    * [HIVE-1751] - Optimize ColumnarStructObjectInspector.getStructFieldData()
    * [HIVE-1754] - Remove JDBM component from Map Join
    * [HIVE-1757] - test cleanup for Hive-1641
    * [HIVE-1758] - optimize group by hash map memory
    * [HIVE-1761] - Support show locks for a particular table
    * [HIVE-1765] - Add queryid while locking
    * [HIVE-1768] - Update transident_lastDdlTime only if not specified
    * [HIVE-1782] - add more debug information for hive locking
    * [HIVE-1783] - CommonJoinOperator optimize the case of 1:1 join
    * [HIVE-1785] - change Pre/Post Query Hooks to take in 1 parameter: HookContext
    * [HIVE-1786] - Improve documentation for str_to_map() UDF
    * [HIVE-1787] - optimize the code path when there are no outer joins
    * [HIVE-1796] - dumps time at which lock was taken along with the queryid in show locks <T> extended
    * [HIVE-1797] - Compressed the hashtable dump file before put into distributed cache
    * [HIVE-1798] - Clear empty files in Hive
    * [HIVE-1801] - HiveInputFormat or CombineHiveInputFormat always sync blocks of RCFile twice
    * [HIVE-1811] - Show the time the local task takes
    * [HIVE-1824] - create a new ZooKeeper instance when retrying lock, and more info for debug
    * [HIVE-1831] - Add a option to run task to check map-join possibility in non-local mode
    * [HIVE-1834] - more debugging for locking
    * [HIVE-1843] - add an option in dynamic partition inserts to throw an error if 0 partitions are created
    * [HIVE-1852] - Reduce unnecessary DFSClient.rename() calls
    * [HIVE-1855] - Include Process ID in the log4j log file name
    * [HIVE-1865] - redo zookeeper hive lock manager
    * [HIVE-1899] - add a factory method for creating a synchronized wrapper for IMetaStoreClient
    * [HIVE-1900] - a mapper should be able to span multiple partitions
    * [HIVE-1907] - Store jobid in ExecDriver
    * [HIVE-1910] - Provide config parameters to control cache object pinning
    * [HIVE-1923] - Allow any type of stats publisher and aggregator in addition to HBase and JDBC
    * [HIVE-1929] - Find a way to disable owner grants
    * [HIVE-1931] - Improve the implementation of the METASTORE_CACHE_PINOBJTYPES config
    * [HIVE-1948] - Have audit logging in the Metastore
    * [HIVE-1956] - "Provide DFS initialization script for Hive
    * [HIVE-1961] - Make Stats gathering more flexible with timeout and atomicity
    * [HIVE-1962] - make a libthrift.jar and libfb303.jar in dist package for backward compatibility
    * [HIVE-1970] - Modify build to run all tests regardless of subproject failures
    * [HIVE-1978] - Hive SymlinkTextInputFormat does not estimate input size correctly

** Bug
    * [HIVE-307] - "LOAD DATA LOCAL INPATH" fails when the table already contains a file of the same name
    * [HIVE-741] - NULL is not handled correctly in join
    * [HIVE-1203] - HiveInputFormat.getInputFormatFromCache "swallows" cause exception when throwing IOExcpetion
    * [HIVE-1305] - add progress in join and groupby
    * [HIVE-1376] - Simple UDAFs with more than 1 parameter crash on empty row query
    * [HIVE-1385] - UDF field() doesn't work
    * [HIVE-1416] - Dynamic partition inserts left empty files uncleaned in hadoop 0.17 local mode
    * [HIVE-1422] - skip counter update when RunningJob.getCounters() returns null
    * [HIVE-1440] - FetchOperator(mapjoin) does not work with RCFile
    * [HIVE-1448] - bug in 'set fileformat'
    * [HIVE-1453] - Make Eclipse launch templates auto-adjust to Hive version number changes
    * [HIVE-1462] - Reporting progress in FileSinkOperator works in multiple directory case
    * [HIVE-1465] - hive-site.xml ${user.name} not replaced for local-file derby metastore connection URL
    * [HIVE-1470] - percentile_approx() fails with more than 1 reducer
    * [HIVE-1471] - CTAS should unescape the column name in the select-clause.
    * [HIVE-1473] - plan file should have a high replication factor
    * [HIVE-1475] - .gitignore files being placed in test warehouse directories causing build failure
    * [HIVE-1489] - TestCliDriver -Doverwrite=true does not put the file in the correct directory
    * [HIVE-1491] - fix or disable loadpart_err.q
    * [HIVE-1494] - Index followup: remove sort by clause and fix a bug in collect_set udaf
    * [HIVE-1501] - when generating reentrant INSERT for index rebuild, quote identifiers using backticks
    * [HIVE-1508] - Add cleanup method to HiveHistory class
    * [HIVE-1509] - Monitor the working set of the number of files
    * [HIVE-1510] - HiveCombineInputFormat should not use prefix matching to find the partitionDesc for a given path
    * [HIVE-1520] - hive.mapred.local.mem should only be used in case of local mode job submissions
    * [HIVE-1523] - ql tests no longer work in miniMR mode
    * [HIVE-1532] - Replace globStatus with listStatus inside Hive.java's replaceFiles.
    * [HIVE-1534] - Join filters do not work correctly with outer joins
    * [HIVE-1535] - alter partition should throw exception if the specified partition does not exist.
    * [HIVE-1547] - Unarchiving operation throws NPE
    * [HIVE-1548] - populate inputs and outputs for all statements
    * [HIVE-1556] - Fix TestContribCliDriver test
    * [HIVE-1561] - smb_mapjoin_8.q returns different results in miniMr mode
    * [HIVE-1563] - HBase tests broken
    * [HIVE-1564] - bucketizedhiveinputformat.q fails in minimr mode
    * [HIVE-1570] - referencing an added file by it's name in a transform script does not work in hive local mode
    * [HIVE-1578] - Add conf. property hive.exec.show.job.failure.debug.info to enable/disable displaying link to the task with most failures
    * [HIVE-1580] - cleanup ExecDriver.progress
    * [HIVE-1583] - Hive should not override Hadoop specific system properties
    * [HIVE-1584] - wrong log files in contrib client positive
    * [HIVE-1589] - Add HBase/ZK JARs to Eclipse classpath
    * [HIVE-1593] - udtf_explode.q is an empty file
    * [HIVE-1598] - use SequenceFile rather than TextFile format for hive query results
    * [HIVE-1600] - need to sort hook input/output lists for test result determinism
    * [HIVE-1601] - Hadoop 0.17 ant test broken by HIVE-1523
    * [HIVE-1606] - For a null value in a string column, JDBC driver returns the string "NULL"
    * [HIVE-1607] - Reinstate and deprecate IMetaStoreClient methods removed in HIVE-675
    * [HIVE-1614] - UDTF json_tuple should return null row when input is not a valid JSON string
    * [HIVE-1628] - Fix Base64TextInputFormat to be compatible with commons codec 1.4
    * [HIVE-1629] - Patch to fix hashCode method in DoubleWritable class
    * [HIVE-1630] - bug in NO_DROP
    * [HIVE-1633] - CombineHiveInputFormat fails with "cannot find dir for emptyFile"
    * [HIVE-1639] - ExecDriver.addInputPaths() error if partition name contains a comma
    * [HIVE-1647] - Incorrect initialization of thread local variable inside IOContext ( implementation is not threadsafe )
    * [HIVE-1650] - TestContribNegativeCliDriver fails
    * [HIVE-1656] - All TestJdbcDriver test cases fail in Eclipse unless a property is added in run config
    * [HIVE-1657] - join results are displayed wrongly for some complex joins using select *
    * [HIVE-1658] - Fix describe     * [extended] column formatting
    * [HIVE-1663] - ql/src/java/org/apache/hadoop/hive/ql/parse/SamplePruner.java is empty
    * [HIVE-1664] - Eclipse build broken
    * [HIVE-1670] - MapJoin throws EOFExeption when the mapjoined table has 0 column selected
    * [HIVE-1671] - multithreading on Context.pathToCS
    * [HIVE-1673] - Create table bug causes the row format property lost when serde is specified.
    * [HIVE-1674] - count(*) returns wrong result when a mapper returns empty results
    * [HIVE-1678] - NPE in MapJoin
    * [HIVE-1688] - In the MapJoinOperator, the code uses tag as alias, which is not always true
    * [HIVE-1691] - ANALYZE TABLE command should check columns in partition spec
    * [HIVE-1699] - incorrect partition pruning ANALYZE TABLE
    * [HIVE-1707] - bug when different partitions are present in different dfs
    * [HIVE-1711] - CREATE TABLE LIKE should not set stats in the new table
    * [HIVE-1712] - Migrating metadata from derby to mysql thrown NullPointerException
    * [HIVE-1713] - duplicated MapRedTask in Multi-table inserts mixed with FileSinkOperator and ReduceSinkOperator
    * [HIVE-1716] - make TestHBaseCliDriver use dynamic ports to avoid conflicts with already-running services
    * [HIVE-1717] - ant clean should delete stats database
    * [HIVE-1720] - hbase_stats.q is failing
    * [HIVE-1737] - Two Bugs for Estimating Row Sizes in GroupByOperator
    * [HIVE-1742] - Fix Eclipse templates (and use Ivy metadata to generate Eclipse library dependencies)
    * [HIVE-1748] - Statistics broken for tables with size in excess of Integer.MAX_VALUE
    * [HIVE-1753] - HIVE 1633 hit for Stage2 jobs with CombineHiveInputFormat
    * [HIVE-1756] - failures in fatal.q in TestNegativeCliDriver
    * [HIVE-1759] - Many important broken links on Hive web page
    * [HIVE-1760] - Mismatched open/commit transaction calls in case of connection retry
    * [HIVE-1767] - Merge files does not work with dynamic partition
    * [HIVE-1769] - pcr.q output is non-deterministic
    * [HIVE-1771] - ROUND(infinity) chokes
    * [HIVE-1775] - Assertation on inputObjInspectors.length in Groupy operator
    * [HIVE-1776] - parallel execution and auto-local mode combine to place plan file in wrong file system
    * [HIVE-1777] - Outdated comments for GenericUDTF.close()
    * [HIVE-1780] - Typo in hive-default.xml
    * [HIVE-1781] - outputs not populated for dynamic partitions at compile time
    * [HIVE-1794] - GenericUDFOr and GenericUDFAnd cannot receive boolean typed object
    * [HIVE-1795] - outputs not correctly populated for alter table
    * [HIVE-1804] - Mapjoin will fail if there are no files associating with the join tables
    * [HIVE-1806] - The merge criteria on dynamic partitons should be per partiton
    * [HIVE-1807] - No Element found exception in BucketMapJoinOptimizer
    * [HIVE-1808] - bug in auto_join25.q
    * [HIVE-1809] - Hive comparison operators are broken for NaN values
    * [HIVE-1812] - spurious rmr failure messages when inserting with dynamic partitioning
    * [HIVE-1828] - show locks should not use getTable()/getPartition
    * [HIVE-1829] - Fix intermittent failures in TestRemoteMetaStore
    * [HIVE-1830] - mappers in group followed by joins may die OOM
    * [HIVE-1844] - Hanging hive client caused by TaskRunner's OutOfMemoryError
    * [HIVE-1845] - Some attributes in the Eclipse template file is deprecated
    * [HIVE-1846] - change hive assumption that local mode mappers/reducers always run in same jvm
    * [HIVE-1848] - bug in MAPJOIN
    * [HIVE-1849] - add more logging to partition pruning
    * [HIVE-1853] - downgrade JDO version
    * [HIVE-1854] - Temporarily disable metastore tests for listPartitionsByFilter()
    * [HIVE-1857] - mixed case tablename on lefthand side of LATERAL VIEW results in query failing with confusing error message
    * [HIVE-1860] - Hive's smallint datatype is not supported by the Hive JDBC driver
    * [HIVE-1861] - Hive's float datatype is not supported by the Hive JDBC driver
    * [HIVE-1862] - Revive partition filtering in the Hive MetaStore
    * [HIVE-1863] - Boolean columns in Hive tables containing NULL are treated as FALSE by the Hive JDBC driver.
    * [HIVE-1864] - test load_overwrite.q fails
    * [HIVE-1867] - Add mechanism for disabling tests with intermittent failures
    * [HIVE-1870] - TestRemoteHiveMetaStore.java accidentally deleted during commit of HIVE-1845
    * [HIVE-1871] - bug introduced by HIVE-1806
    * [HIVE-1873] - Fix 'tar' build target broken in HIVE-1526
    * [HIVE-1874] - fix HBase filter pushdown broken by HIVE-1638
    * [HIVE-1878] - Set the version of Hive trunk to '0.7.0-SNAPSHOT' to avoid confusing it with a release
    * [HIVE-1896] - HBase and Contrib JAR names are missing version numbers
    * [HIVE-1897] - Alter command execution "when HDFS is down" results in holding stale data in MetaStore
    * [HIVE-1902] - create script for the metastore upgrade due to HIVE-78
    * [HIVE-1903] - Can't join HBase tables if one's name is the beginning of the other
    * [HIVE-1908] - FileHandler leak on partial iteration of the resultset.
    * [HIVE-1912] - Double escaping special chars when removing old partitions in rmr
    * [HIVE-1913] - use partition level serde properties
    * [HIVE-1914] - failures in testhbaseclidriver
    * [HIVE-1915] - authorization on database level is broken.
    * [HIVE-1917] - CTAS (create-table-as-select) throws exception when showing results
    * [HIVE-1927] - Fix TestHadoop20SAuthBridge failure on Hudson
    * [HIVE-1928] - GRANT/REVOKE should handle privileges as tokens, not identifiers
    * [HIVE-1934] - alter table rename messes the location
    * [HIVE-1936] - hive.semantic.analyzer.hook cannot have multiple values
    * [HIVE-1939] - Fix test failure in TestContribCliDriver/url_hook.q
    * [HIVE-1944] - dynamic partition insert creating different directories for the same partition during merge
    * [HIVE-1951] - input16_cc.q is failing in testminimrclidriver
    * [HIVE-1952] - fix some outputs and make some tests deterministic
    * [HIVE-1964] - add fully deterministic ORDER BY in test union22.q and input40.q
    * [HIVE-1969] - TestMinimrCliDriver merge_dynamic_partition2 and 3 are failing on trunk
    * [HIVE-1979] - fix hbase_bulk.m by setting HiveInputFormat
    * [HIVE-1981] - TestHadoop20SAuthBridge failed on current trunk
    * [HIVE-1995] - Mismatched open/commit transaction calls when using get_partition()
    * [HIVE-1998] - Update README.txt and add missing ASF headers
    * [HIVE-2007] - Executing queries using Hive Server is not logging to the log file specified in hive-log4j.properties
    * [HIVE-2010] - Improve naming and README files for MetaStore upgrade scripts
    * [HIVE-2011] - upgrade-0.6.0.mysql.sql script attempts to increase size of PK COLUMNS.TYPE_NAME to 4000
    * [HIVE-2059] - Add datanucleus.identifierFactory property to HiveConf to avoid unintentional MetaStore Schema corruption
    * [HIVE-2064] - Make call to SecurityUtil.getServerPrincipal unambiguous

** Sub-task
    * [HIVE-1361] - table/partition level statistics
    * [HIVE-1696] - Add delegation token support to metastore
    * [HIVE-1810] - a followup patch for changing the description of hive.exec.pre/post.hooks in conf/hive-default.xml
    * [HIVE-1823] - upgrade the database thrift interface to allow parameters key-value pairs
    * [HIVE-1836] - Extend the CREATE DATABASE command with DBPROPERTIES
    * [HIVE-1842] - Add the local flag to all the map red tasks, if the query is running locally.

** Task
    * [HIVE-1526] - Hive should depend on a release version of Thrift
    * [HIVE-1817] - Remove Hive dependency on unreleased commons-cli 2.0 Snapshot
    * [HIVE-1876] - Update Metastore upgrade scripts to handle schema changes introduced in HIVE-1413
    * [HIVE-1882] - Remove CHANGES.txt
    * [HIVE-1904] - Create MetaStore schema upgrade scripts for changes made in HIVE-417
    * [HIVE-1905] - Provide MetaStore schema upgrade scripts for changes made in HIVE-1823

** Test
    * [HIVE-1464] - improve test query performance
    * [HIVE-1755] - JDBM diff in test caused by Hive-1641
    * [HIVE-1774] - merge_dynamic_part's result is not deterministic
    * [HIVE-1942] - change the value of hive.input.format to CombineHiveInputFormat for tests


Release Notes - Hive - Version 0.6.0

** New Feature
    * [HIVE-259] - Add PERCENTILE aggregate function
    * [HIVE-675] - add database/schema support Hive QL
    * [HIVE-705] - Hive HBase Integration (umbrella)
    * [HIVE-801] - row-wise IN would be useful
    * [HIVE-862] - CommandProcessor should return DriverResponse
    * [HIVE-894] - add udaf max_n, min_n to contrib
    * [HIVE-917] - Bucketed Map Join
    * [HIVE-972] - support views
    * [HIVE-1002] - multi-partition inserts
    * [HIVE-1027] - Create UDFs for XPath expression evaluation
    * [HIVE-1032] - Better Error Messages for Execution Errors
    * [HIVE-1087] - Let user script write out binary data into a table
    * [HIVE-1121] - CombinedHiveInputFormat for hadoop 19
    * [HIVE-1127] - Add UDF to create struct
    * [HIVE-1131] - Add column lineage information to the pre execution hooks
    * [HIVE-1132] - Add metastore API method to get partition by name
    * [HIVE-1134] - bucketing mapjoin where the big table contains more than 1 big partition
    * [HIVE-1178] - enforce bucketing for a table
    * [HIVE-1179] - Add UDF array_contains
    * [HIVE-1193] - ensure sorting properties for a table
    * [HIVE-1194] - sorted merge join
    * [HIVE-1197] - create a new input format where a mapper spans a file
    * [HIVE-1219] - More robust handling of metastore connection failures
    * [HIVE-1238] - Get  partitions with a partial specification
    * [HIVE-1255] - Add mathematical UDFs PI, E, degrees, radians, tan, sign, and atan
    * [HIVE-1270] - Thread pool size in Thrift metastore server should be configurable
    * [HIVE-1272] - Add SymlinkTextInputFormat to Hive
    * [HIVE-1278] - Partition name to values conversion conversion method
    * [HIVE-1307] - More generic and efficient merge method
    * [HIVE-1332] - Archiving partitions
    * [HIVE-1351] - Tool to cat rcfiles
    * [HIVE-1397] - histogram() UDAF for a numerical column
    * [HIVE-1401] - Web Interface can ony browse default
    * [HIVE-1410] - Add TCP keepalive option for the metastore server
    * [HIVE-1439] - Alter the number of buckets for a table


** Bug
    * [HIVE-287] - support count(*) and count distinct on multiple columns
    * [HIVE-763] - getSchema returns invalid column names, getThriftSchema does not return old style string schemas
    * [HIVE-1011] - GenericUDTFExplode() throws NPE when given nulls
    * [HIVE-1022] - desc Table should work
    * [HIVE-1029] - typedbytes does not support nulls
    * [HIVE-1042] - function in a transform with more than 1 argument fails
    * [HIVE-1056] - Predicate push down does not work with UDTF's
    * [HIVE-1064] - NPE when operating HiveCLI in distributed mode
    * [HIVE-1066] - TestContribCliDriver failure in serde_typedbytes.q, serde_typedbytes2.q, and serde_typedbytes3.q
    * [HIVE-1075] - Make it possible for users to recover data when moveTask fails
    * [HIVE-1085] - ColumnarSerde should not be the default Serde when user specified a fileformat using 'stored as'.
    * [HIVE-1086] - Add "-Doffline=true" option to ant
    * [HIVE-1090] - Skew Join does not work in distributed env.
    * [HIVE-1092] - Conditional task does not increase finished job counter when filter job out.
    * [HIVE-1094] - Disable streaming last table if there is a skew key in previous tables.
    * [HIVE-1116] - bug with alter table rename when table has property EXTERNAL=FALSE
    * [HIVE-1124] - create view should expand the query text consistently
    * [HIVE-1125] - Hive CLI shows 'Ended Job=' at the beginning of the job
    * [HIVE-1129] - Assertion in ExecDriver.execute when assertions are enabled in HADOOP_OPTS
    * [HIVE-1142] - "datanucleus" typos in conf/hive-default.xml
    * [HIVE-1167] - Use TreeMap instead of Property to make explain extended deterministic
    * [HIVE-1174] - Job counter error if "hive.merge.mapfiles" equals true
    * [HIVE-1176] - 'create if not exists' fails for a table name with 'select' in it
    * [HIVE-1184] - Expression Not In Group By Key error is sometimes masked
    * [HIVE-1185] - Fix RCFile resource leak when opening a non-RCFile
    * [HIVE-1195] - Increase ObjectInspector[] length on demand
    * [HIVE-1200] - Fix CombineHiveInputFormat to work with multi-level of directories in a single table/partition
    * [HIVE-1204] - typedbytes: writing to stderr kills the mapper
    * [HIVE-1205] - RowContainer should flush out  dummy rows when the table desc is null
    * [HIVE-1207] - ScriptOperator AutoProgressor does not set the interval
    * [HIVE-1242] - CombineHiveInputFormat does not work for compressed text files
    * [HIVE-1247] - hints cannot be passed to transform statements
    * [HIVE-1252] - Task breaking bug when breaking after a filter operator
    * [HIVE-1253] - date_sub() function returns wrong date because of daylight saving time difference
    * [HIVE-1257] - joins between HBase tables and other tables (whether HBase or not) are broken
    * [HIVE-1258] - set merge files to files when bucketing/sorting is being enforced
    * [HIVE-1261] - ql.metadata.Hive#close() should check for null metaStoreClient
    * [HIVE-1268] - Cannot start metastore thrift server on a specific port
    * [HIVE-1271] - Case sensitiveness of type information specified when using custom reducer causes type mismatch
    * [HIVE-1273] - UDF_Percentile NullPointerException
    * [HIVE-1274] - bug in sort merge join if the big table does not have any row
    * [HIVE-1275] - TestHBaseCliDriver hangs
    * [HIVE-1277] - Select query with specific projection(s) fails if the local file system directory for ${hive.user.scratchdir} does not exist.
    * [HIVE-1280] - problem in combinehiveinputformat with nested directories
    * [HIVE-1281] - Bucketing column names in create table should be case-insensitive
    * [HIVE-1286] - error/info message being emitted on standard output
    * [HIVE-1290] - sort merge join does not work with bucketizedhiveinputformat
    * [HIVE-1291] - Fix UDAFPercentile ndexOutOfBoundsException
    * [HIVE-1294] - HIVE_AUX_JARS_PATH interferes with startup of Hive Web Interface
    * [HIVE-1298] - unit test symlink_text_input_format.q needs ORDER BY for determinism
    * [HIVE-1308] - <boolean> = <boolean> throws NPE
    * [HIVE-1311] - bug is use of hadoop supports splittable
    * [HIVE-1312] - hive trunk does not compile with hadoop 0.17 any more
    * [HIVE-1315] - bucketed sort merge join breaks after dynamic partition insert
    * [HIVE-1317] - CombineHiveInputFormat throws exception when partition name contains special characters to URI
    * [HIVE-1320] - NPE with lineage in a query of union alls on joins.
    * [HIVE-1321] - bugs with temp directories, trailing blank fields in HBase bulk load
    * [HIVE-1322] - Cached FileSystem can lead to persistant IOExceptions
    * [HIVE-1323] - leading dash in partition name is not handled properly
    * [HIVE-1325] - dynamic partition insert should throw an exception if the number of target table columns + dynamic partition columns does not equal to the number of select columns
    * [HIVE-1326] - RowContainer uses hard-coded '/tmp/' path for temporary files
    * [HIVE-1327] - Group by partition column returns wrong results
    * [HIVE-1330] - fatal error check omitted for reducer-side operators
    * [HIVE-1331] - select * does not work if different partitions contain different formats
    * [HIVE-1338] - Fix bin/ext/jar.sh to work with hadoop 0.20 and above
    * [HIVE-1341] - Filter Operator Column Pruning should preserve the column order
    * [HIVE-1345] - TypedBytesSerDe fails to create table with multiple columns.
    * [HIVE-1350] - hive.query.id is not unique 
    * [HIVE-1352] - rcfilecat should use '\t' to separate columns and print '\r\n' at the end of each row.
    * [HIVE-1353] - load_dyn_part*.q tests need ORDER BY for determinism
    * [HIVE-1354] - partition level properties honored if it exists
    * [HIVE-1364] - Increase the maximum length of various metastore fields, and remove TYPE_NAME from COLUMNS primary key
    * [HIVE-1365] - Bug in SMBJoinOperator which may causes a final part  of the results in some cases.
    * [HIVE-1366] - inputFileFormat error if the merge job takes a different input file format than the default output file format
    * [HIVE-1371] - remove blank in rcfilecat
    * [HIVE-1373] - Missing connection pool plugin in Eclipse classpath
    * [HIVE-1377] - getPartitionDescFromPath() in CombineHiveInputFormat should handle matching by path
    * [HIVE-1388] - combinehiveinputformat does not work if files are of different types
    * [HIVE-1403] - Reporting progress to JT during closing files in FileSinkOperator
    * [HIVE-1407] - Add hadoop-*-tools.jar to Eclipse classpath
    * [HIVE-1409] - File format information is retrieved from first partition
    * [HIVE-1411] - DataNucleus throws NucleusException if core-3.1.1 JAR appears more than once on CLASSPATH
    * [HIVE-1412] - CombineHiveInputFormat bug on tablesample
    * [HIVE-1417] - Archived partitions throw error with queries calling getContentSummary
    * [HIVE-1418] - column pruning not working with lateral view
    * [HIVE-1420] - problem with sequence and rcfiles are mixed for null partitions
    * [HIVE-1421] - problem with sequence and rcfiles are mixed for null partitions
    * [HIVE-1425] - hive.task.progress should be added to conf/hive-default.xml
    * [HIVE-1428] - ALTER TABLE ADD PARTITION fails with a remote Thrift metastore
    * [HIVE-1435] - Upgraded naming scheme causes JDO exceptions
    * [HIVE-1448] - bug in 'set fileformat'
    * [HIVE-1454] - insert overwrite and CTAS fail in hive local mode
    * [HIVE-1455] - lateral view does not work with column pruning 
    * [HIVE-1492] - FileSinkOperator should remove duplicated files from the same task based on file sizes
    * [HIVE-1524] - parallel execution failed if mapred.job.name is set
    * [HIVE-1594] - Typo of hive.merge.size.smallfiles.avgsize prevents change of value
    * [HIVE-1613] - hive --service jar looks for hadoop version but was not defined
    * [HIVE-1615] - Web Interface JSP needs Refactoring for removed meta store methods
    * [HIVE-1681] - ObjectStore.commitTransaction() does not properly handle transactions that have already been rolled back
    * [HIVE-1697] - Migration scripts should increase size of PARAM_VALUE in PARTITION_PARAMS

** Improvement
    * [HIVE-543] - provide option to run hive in local mode
    * [HIVE-964] - handle skewed keys for a join in a separate job
    * [HIVE-990] - Incorporate CheckStyle into Hive's build.xml
    * [HIVE-1047] - Merge tasks in GenMRUnion1
    * [HIVE-1068] - CREATE VIEW followup:  add a "table type" enum attribute in metastore's MTable, and also null out irrelevant attributes for MTable instances which describe views
    * [HIVE-1069] - CREATE VIEW followup:  find and document current expected version of thrift, and regenerate code to match
    * [HIVE-1093] - Add a "skew join map join size" variable to control the input size of skew join's following map join job.
    * [HIVE-1102] - make number of concurrent tasks configurable
    * [HIVE-1108] - QueryPlan to be independent from BaseSemanticAnalyzer
    * [HIVE-1109] - Structured temporary directories
    * [HIVE-1110] - add counters to show that skew join triggered
    * [HIVE-1117] - Make QueryPlan serializable
    * [HIVE-1118] - Add hive.merge.size.per.task to HiveConf
    * [HIVE-1119] - Make all Tasks and Works serializable
    * [HIVE-1120] - In ivy offline mode, don't delete downloaded jars
    * [HIVE-1122] - Make ql/metadata/Table and Partition serializable
    * [HIVE-1128] - Let max/min handle complex types like struct
    * [HIVE-1136] - add type-checking setters for HiveConf class to match existing getters
    * [HIVE-1144] - CREATE VIEW followup:  support ALTER TABLE SET TBLPROPERTIES on views
    * [HIVE-1150] - Add comment to explain why we check for dir first in add_partitions().
    * [HIVE-1152] - Add metastore API method to drop partition / append partition by name
    * [HIVE-1164] - drop_partition_by_name() should use drop_partition_common()
    * [HIVE-1190] - Configure build to download Hadoop tarballs from Facebook mirror instead of Apache
    * [HIVE-1198] - When checkstyle is activated for Hive in Eclipse environment, it shows all checkstyle problems as errors.
    * [HIVE-1212] - Explicitly say "Hive Internal Error" to ease debugging
    * [HIVE-1216] - Show the row with error in mapper/reducer
    * [HIVE-1220] - accept TBLPROPERTIES on CREATE TABLE/VIEW
    * [HIVE-1228] - allow HBase key column to be anywhere in Hive table
    * [HIVE-1241] - add pre-drops in bucketmapjoin*.q
    * [HIVE-1244] - add backward-compatibility constructor to HiveMetaStoreClient
    * [HIVE-1246] - mapjoin followed by another mapjoin should be performed in a single query
    * [HIVE-1260] - from_unixtime should implment a overloading function to accept only bigint type
    * [HIVE-1276] - optimize bucketing 
    * [HIVE-1295] - facilitate HBase bulk loads from Hive
    * [HIVE-1296] - CLI set and set -v commands should dump properties in alphabetical order
    * [HIVE-1297] - error message in Hive.checkPaths dumps Java array address instead of path string
    * [HIVE-1300] - support: alter table touch partition
    * [HIVE-1306] - cleanup the jobscratchdir
    * [HIVE-1316] - Increase the memory limit for CLI client
    * [HIVE-1328] - make mapred.input.dir.recursive work for select *
    * [HIVE-1329] - for ALTER TABLE t SET TBLPROPERTIES ('EXTERNAL'='TRUE'), change TBL_TYPE attribute from MANAGED_TABLE to EXTERNAL_TABLE
    * [HIVE-1335] - DataNucleus should use connection pooling
    * [HIVE-1348] - Moving inputFileChanged() from ExecMapper to where it is needed
    * [HIVE-1349] - Do not pull counters of non initialized jobs
    * [HIVE-1355] - Hive should use NullOutputFormat for hadoop jobs
    * [HIVE-1357] - CombineHiveInputSplit should initialize the inputFileFormat once for a single split
    * [HIVE-1372] - New algorithm for variance() UDAF
    * [HIVE-1383] - allow HBase WAL to be disabled
    * [HIVE-1387] - Add PERCENTILE_APPROX which works with double data type
    * [HIVE-1531] - Make Hive build work with Ivy versions < 2.1.0
    * [HIVE-1543] - set abort in ExecMapper when Hive's record reader got an IOException
    * [HIVE-1693] - Make the compile target depend on thrift.home

** Task
    * [HIVE-1081] - Automated source code cleanup
    * [HIVE-1084] - Cleanup Class names
    * [HIVE-1103] - Add .gitignore file
    * [HIVE-1104] - Suppress Checkstyle warnings for generated files
    * [HIVE-1112] - Replace instances of StringBuffer/Vector with StringBuilder/ArrayList
    * [HIVE-1123] - Checkstyle fixes
    * [HIVE-1135] - Use Anakia for version controlled documentation
    * [HIVE-1137] - build references IVY_HOME incorrectly
    * [HIVE-1147] - Update Eclipse project configuration to match Checkstyle
    * [HIVE-1163] - Eclipse launchtemplate changes to enable debugging
    * [HIVE-1256] - fix Hive logo img tag to avoid stretching
    * [HIVE-1427] - Provide metastore schema migration scripts (0.5 -> 0.6)
    * [HIVE-1709] - Provide Postgres metastore schema migration scripts (0.5 -> 0.6)
    * [HIVE-1725] - Include metastore upgrade scripts in release tarball
    * [HIVE-1726] - Update README file for 0.6.0 release
    * [HIVE-1729] - Satisfy ASF release management requirements


** Sub-task
    * [HIVE-1340] - checking VOID type for NULL in LazyBinarySerde


** Test
    * [HIVE-1188] - NPE when running TestJdbcDriver/TestHiveServer
    * [HIVE-1236] - test HBase input format plus CombinedHiveInputFormat
    * [HIVE-1279] - temporarily disable HBase test execution
    * [HIVE-1359] - Unit test should be shim-aware