| --! qt:dataset:srcpart | |
| --! qt:dataset:src | |
| set hive.mapred.mode=nonstrict; | |
| set hive.compute.query.using.stats=true; | |
| set hive.stats.autogather=true; | |
| explain select count('1') from src group by '1'; | |
| select count('1') from src group by '1'; | |
| explain | |
| analyze table srcpart partition (ds='2008-04-08',hr=11) compute statistics for columns key, value; |