| -- tid is flaky when compute column stats |
| set hive.stats.column.autogather=false; |
| set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager; |
| |
| drop table if exists hello_acid; |
| create table hello_acid (key int, value int) |
| partitioned by (load_date date) |
| clustered by(key) into 3 buckets |
| stored as orc tblproperties ('transactional'='true'); |
| |
| insert into hello_acid partition (load_date='2016-03-01') values (1, 1); |
| insert into hello_acid partition (load_date='2016-03-02') values (2, 2); |
| insert into hello_acid partition (load_date='2016-03-03') values (3, 3); |
| |
| explain |
| select tid from (select row__id.writeid as tid from hello_acid) sub order by tid; |
| |
| select tid from (select row__id.writeid as tid from hello_acid) sub order by tid; |
| |
| explain |
| select tid from (select row__id.writeid as tid from hello_acid) sub where tid = 3; |
| |
| select tid from (select row__id.writeid as tid from hello_acid) sub where tid = 3; |
| |
