| -- Checking autogathering column stats for DATE cols |
| set hive.stats.column.autogather=true; |
| |
| create table acs_t11(a int,b int,d date); |
| |
| -- should produce compute_stats aggregations |
| explain insert into acs_t11 values(1,1,'2011-11-11'); |
| |
| insert into acs_t11 values(1,1,'2011-11-11'); |
| describe formatted acs_t11 d; |
| |
| insert into acs_t11 values(1,1,NULL); |
| describe formatted acs_t11 d; |
| |
| insert into acs_t11 values(1,1,'2006-11-11'); |
| describe formatted acs_t11 d; |
| |
| insert into acs_t11 values(1,1,'2001-11-11'); |
| describe formatted acs_t11 d; |
| |
| insert into acs_t11 values(1,1,'2004-11-11'); |
| describe formatted acs_t11 d; |
| |
| explain analyze table acs_t11 compute statistics for columns; |
| analyze table acs_t11 compute statistics for columns; |
| |
| -- should be the same as before analyze |
| describe formatted acs_t11 d; |
