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https://issues.apache.org/jira/browse/HIVE-4259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619613#comment-13619613
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Gunther Hagleitner commented on HIVE-4259:
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Assuming HIVE-4179 is applied, here's the before and after applying this patch
results in terms of union_remove failures:
{noformat}
failures before: 10, 12, 13, 14, 24, 5, 8, 9
failures after: 10, 12, 13
{noformat}
So this one takes care of: 14, 24, 4, 8, 9.
> SEL operator created with missing columnExprMap for unions
> ----------------------------------------------------------
>
> Key: HIVE-4259
> URL: https://issues.apache.org/jira/browse/HIVE-4259
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Priority: Critical
> Attachments: HIVE-4259.1.patch
>
>
> Causes failures in some union_remove*.q testcases
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