| PREHOOK: query: explain |
| select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1 |
| UNION ALL |
| select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key |
| PREHOOK: type: QUERY |
| POSTHOOK: query: explain |
| select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1 |
| UNION ALL |
| select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key |
| POSTHOOK: type: QUERY |
| STAGE DEPENDENCIES: |
| Stage-1 is a root stage |
| Stage-2 depends on stages: Stage-1, Stage-3 |
| Stage-3 is a root stage |
| Stage-0 depends on stages: Stage-2 |
| |
| STAGE PLANS: |
| Stage: Stage-1 |
| Map Reduce |
| Map Operator Tree: |
| TableScan |
| alias: s1 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| expressions: key (type: string) |
| outputColumnNames: key |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: count(key) |
| mode: hash |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| sort order: |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| value expressions: _col0 (type: bigint) |
| Execution mode: vectorized |
| Reduce Operator Tree: |
| Group By Operator |
| aggregations: count(VALUE._col0) |
| mode: mergepartial |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| expressions: 'tst1' (type: string) |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| File Output Operator |
| compressed: false |
| table: |
| input format: org.apache.hadoop.mapred.SequenceFileInputFormat |
| output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat |
| serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe |
| |
| Stage: Stage-2 |
| Map Reduce |
| Map Operator Tree: |
| TableScan |
| Union |
| Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: count() |
| keys: _col0 (type: string) |
| mode: hash |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| key expressions: _col0 (type: string) |
| sort order: + |
| Map-reduce partition columns: _col0 (type: string) |
| Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE |
| value expressions: _col1 (type: bigint) |
| TableScan |
| Union |
| Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: count() |
| keys: _col0 (type: string) |
| mode: hash |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| key expressions: _col0 (type: string) |
| sort order: + |
| Map-reduce partition columns: _col0 (type: string) |
| Statistics: Num rows: 2 Data size: 16 Basic stats: COMPLETE Column stats: NONE |
| value expressions: _col1 (type: bigint) |
| Reduce Operator Tree: |
| Group By Operator |
| aggregations: count(VALUE._col0) |
| keys: KEY._col0 (type: string) |
| mode: mergepartial |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| File Output Operator |
| compressed: false |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| table: |
| input format: org.apache.hadoop.mapred.SequenceFileInputFormat |
| output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat |
| serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe |
| |
| Stage: Stage-3 |
| Map Reduce |
| Map Operator Tree: |
| TableScan |
| alias: s2 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| expressions: key (type: string) |
| outputColumnNames: key |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: count(key) |
| mode: hash |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| sort order: |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| value expressions: _col0 (type: bigint) |
| Execution mode: vectorized |
| Reduce Operator Tree: |
| Group By Operator |
| aggregations: count(VALUE._col0) |
| mode: mergepartial |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| expressions: 'tst2' (type: string) |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| File Output Operator |
| compressed: false |
| table: |
| input format: org.apache.hadoop.mapred.SequenceFileInputFormat |
| output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat |
| serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe |
| |
| Stage: Stage-0 |
| Fetch Operator |
| limit: -1 |
| Processor Tree: |
| ListSink |
| |
| PREHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1 |
| UNION ALL |
| select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key |
| PREHOOK: type: QUERY |
| PREHOOK: Input: default@src |
| #### A masked pattern was here #### |
| POSTHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1 |
| UNION ALL |
| select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key |
| POSTHOOK: type: QUERY |
| POSTHOOK: Input: default@src |
| #### A masked pattern was here #### |
| tst1 1 |
| tst2 1 |
