| CREATE TABLE t (key STRING, val STRING); |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; |
| ALTER TABLE t CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t INTO 3 BUCKETS; |
| ALTER TABLE t INTO 3 BUCKETS; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t NOT SORTED; |
| ALTER TABLE t NOT SORTED; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t NOT CLUSTERED; |
| ALTER TABLE t NOT CLUSTERED; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t SKEWED BY (key) ON (("a"), ("b")) STORED AS DIRECTORIES; |
| ALTER TABLE t SKEWED BY (key) ON (("a"), ("b")) STORED AS DIRECTORIES; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t SET SKEWED LOCATION ('a'='${hiveconf:hive.metastore.warehouse.dir}/t/key=a','b'='${hiveconf:hive.metastore.warehouse.dir}/t/key=b'); |
| ALTER TABLE t SET SKEWED LOCATION ('a'='${hiveconf:hive.metastore.warehouse.dir}/t/key=a','b'='${hiveconf:hive.metastore.warehouse.dir}/t/key=b'); |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t NOT SKEWED; |
| ALTER TABLE t NOT SKEWED; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t SET FILEFORMAT parquet; |
| ALTER TABLE t SET FILEFORMAT parquet; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t SET LOCATION "file:///tmp/location"; |
| ALTER TABLE t SET LOCATION "file:///tmp/location"; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t SET SERDE "org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe"; |
| ALTER TABLE t SET SERDE "org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe"; |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t SET SERDEPROPERTIES('property1'='value1', 'property2'='value2'); |
| ALTER TABLE t SET SERDEPROPERTIES('property1'='value1', 'property2'='value2'); |
| SHOW CREATE TABLE t; |
| |
| EXPLAIN ALTER TABLE t UNSET SERDEPROPERTIES('property1'); |
| ALTER TABLE t UNSET SERDEPROPERTIES('property1'); |
| SHOW CREATE TABLE t; |
| |
| -- it is valid to unset a non-existing property |
| ALTER TABLE t UNSET SERDEPROPERTIES('property1'); |
| SHOW CREATE TABLE t; |
| |
| -- a removed property can be set again |
| ALTER TABLE t SET SERDEPROPERTIES('property1'='value1'); |
| SHOW CREATE TABLE t; |
| |
| -- remove all serde properties |
| ALTER TABLE t UNSET SERDEPROPERTIES('property1', 'property2'); |
| SHOW CREATE TABLE t; |