[ https://issues.apache.org/jira/browse/HIVE-3544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kevin Wilfong updated HIVE-3544: -------------------------------- Status: Patch Available (was: Open) > union involving double column with a map join subquery will fail or give > wrong results > -------------------------------------------------------------------------------------- > > Key: HIVE-3544 > URL: https://issues.apache.org/jira/browse/HIVE-3544 > Project: Hive > Issue Type: Bug > Components: Query Processor > Affects Versions: 0.10.0 > Reporter: Kevin Wilfong > Assignee: Kevin Wilfong > Attachments: HIVE-3544.1.patch.txt, HIVE-3544.2.patch.txt, > HIVE-3544.3.patch.txt, HIVE-3544.4.patch.txt > > > The following query fails: > select * from (select cast(a.key as bigint) as key from src a join src b on > a.key = b.key union all select cast(key as double) as key from src)a > The following query gives wrong results: > select * from (select cast(a.key as bigint) as key, cast(b.key as double) as > value from src a join src b on a.key = b.key union all select cast(key as > double) as key, cast(key as string) as value from src)a > But the following query runs fine: > select * from (select cast(a.key as bigint) as key from src a union all > select cast(key as double) as key from src)a -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira