| --! qt:dataset:src |
| set hive.mapred.mode=nonstrict; |
| set hive.security.authorization.enabled=true; |
| set hive.security.authorization.manager=org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLStdHiveAuthorizerFactoryForTest; |
| |
| drop table masking_test; |
| |
| create temporary table masking_test as select cast(key as int) as key, value from src; |
| |
| set hive.groupby.position.alias = true; |
| set hive.cbo.enable=true; |
| |
| explain select 2017 as a, value from masking_test group by 1, 2; |
| |
| select 2017 as a, value from masking_test group by 1, 2; |
| |
| explain |
| select * from |
| masking_test alias01 |
| left join |
| ( |
| select 2017 as a, value from masking_test group by 1, 2 |
| ) alias02 |
| on alias01.key = alias02.a |
| left join |
| masking_test alias03 |
| on alias01.key = alias03.key; |