[jira] [Created] (HIVE-16596) CrossProductCheck failed to detect cross product between two unions

["Zhiyuan Yang (JIRA)" <ji...@apache.org>]

Zhiyuan Yang created HIVE-16596:
-----------------------------------

             Summary: CrossProductCheck failed to detect cross product between two unions
                 Key: HIVE-16596
                 URL: https://issues.apache.org/jira/browse/HIVE-16596
             Project: Hive
          Issue Type: Bug
            Reporter: Zhiyuan Yang
            Assignee: Zhiyuan Yang


To reproduce:
{code}
create table f (a int, b string);
set hive.auto.convert.join=false;
explain select * from (select * from f union all select * from f) a join (select * from f union all select * from f) b;
{code}

No cross product warning is given.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)