| set hive.mapred.mode=nonstrict; |
| set hive.support.concurrency=true; |
| set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager; |
| set hive.explain.user=false; |
| set hive.merge.cardinality.check=true; |
| |
| create table t (a int, b int default 1) clustered by (a) into 2 buckets stored as orc TBLPROPERTIES ('transactional'='true'); |
| create table upd_t (a int, b int) clustered by (a) into 2 buckets stored as orc TBLPROPERTIES ('transactional'='true'); |
| |
| insert into t values (1,2), (2,4); |
| insert into upd_t values (1,3), (3,5); |
| |
| merge into t as t using upd_t as u ON t.a = u.a |
| WHEN MATCHED THEN UPDATE SET b = default |
| WHEN NOT MATCHED THEN INSERT (a) VALUES(u.a, default); |
