| set hive.mapred.mode=nonstrict; |
| set hive.optimize.ppd=true; |
| set hive.ppd.remove.duplicatefilters=true; |
| |
| create table t1_n98 (id int, key string, value string); |
| create table t2_n61 (id int, key string, value string); |
| create table t3_n23 (id int, key string, value string); |
| create table t4_n12 (id int, key string, value string); |
| |
| explain select * from t1_n98 full outer join t2_n61 on t1_n98.id=t2_n61.id join t3_n23 on t2_n61.id=t3_n23.id where t3_n23.id=20; |
| explain select * from t1_n98 join t2_n61 on (t1_n98.id=t2_n61.id) left outer join t3_n23 on (t2_n61.id=t3_n23.id) where t2_n61.id=20; |
| explain select * from t1_n98 join t2_n61 on (t1_n98.id=t2_n61.id) left outer join t3_n23 on (t1_n98.id=t3_n23.id) where t2_n61.id=20; |
| |
| drop table t1_n98; |
| drop table t2_n61; |
| drop table t3_n23; |
| drop table t4_n12; |
