| --! qt:dataset:src |
| set hive.mapred.mode=nonstrict; |
| set hive.vectorized.execution.enabled=false; |
| |
| create table n(key int); |
| |
| insert overwrite table n select null from src; |
| |
| explain analyze table n compute statistics for columns; |
| |
| analyze table n compute statistics for columns; |
| |
| desc formatted n key; |
| |
| |
| create table i(key int); |
| |
| insert overwrite table i select key from src; |
| |
| explain analyze table i compute statistics for columns; |
| |
| analyze table i compute statistics for columns; |
| |
| desc formatted i key; |
| |
| drop table i; |
| |
| create table i(key double); |
| |
| insert overwrite table i select key from src; |
| |
| analyze table i compute statistics for columns; |
| |
| desc formatted i key; |
| |
| drop table i; |
| |
| create table i(key decimal); |
| |
| insert overwrite table i select key from src; |
| |
| analyze table i compute statistics for columns; |
| |
| desc formatted i key; |
| |
| drop table i; |
| |
| create table i(key date); |
| |
| insert into i values ('2012-08-17'); |
| insert into i values ('2012-08-17'); |
| insert into i values ('2013-08-17'); |
| insert into i values ('2012-03-17'); |
| insert into i values ('2012-05-17'); |
| |
| analyze table i compute statistics for columns; |
| |
| desc formatted i key; |
| |
