| SET hive.vectorized.execution.enabled=true; |
| SET hive.vectorized.execution.reduce.enabled=true; |
| set hive.mapred.mode=nonstrict; |
| set hive.exec.reducers.max = 10; |
| set hive.map.groupby.sorted=true; |
| set hive.support.concurrency=true; |
| set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager; |
| |
| -- SORT_QUERY_RESULTS |
| |
| CREATE TABLE T1_mm(key STRING, val STRING) PARTITIONED BY (ds string) |
| CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE tblproperties ("transactional"="true", "transactional_properties"="insert_only"); |
| |
| LOAD DATA LOCAL INPATH '../../data/files/bucket_files/000000_0' INTO TABLE T1_mm PARTITION (ds='1'); |
| |
| INSERT OVERWRITE TABLE T1_mm PARTITION (ds='1') select key, val from T1_mm where ds = '1'; |
| |
| |
| set hive.fetch.task.conversion=none; |
| |
| select * from T1_mm; |
| |
| explain |
| select count(distinct key) from T1_mm; |
| select count(distinct key) from T1_mm; |
| |
| DROP TABLE T1_mm; |
