Vineet Garg created HIVE-22107: ---------------------------------- Summary: Correlated subquery producing wrong schema Key: HIVE-22107 URL: https://issues.apache.org/jira/browse/HIVE-22107 Project: Hive Issue Type: Bug Components: Logical Optimizer Affects Versions: 4.0.0 Reporter: Vineet Garg Assignee: Vineet Garg
*Repro* {code:sql} create table test(id int, name string,dept string); insert into test values(1,'a','it'),(2,'b','eee'),(NULL, 'c', 'cse'); select distinct 'empno' as eid, a.id from test a where NOT EXISTS (select c.id from test c where a.id=c.id); {code} {code} +-------+--------+ | eid | a.id | +-------+--------+ | NULL | empno | +-------+--------+ {code} -- This message was sent by Atlassian JIRA (v7.6.14#76016)