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https://issues.apache.org/jira/browse/TRAFODION-3021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16446813#comment-16446813
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ASF GitHub Bot commented on TRAFODION-3021:
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Github user asfgit closed the pull request at:
https://github.com/apache/trafodion/pull/1518
> set operator not cacheable
> --------------------------
>
> Key: TRAFODION-3021
> URL: https://issues.apache.org/jira/browse/TRAFODION-3021
> Project: Apache Trafodion
> Issue Type: Task
> Reporter: liu ming
> Assignee: liu ming
> Priority: Major
>
> select * from t1
> union all
> select * from t2
>
> This query cannot be cached.
>
> Should be cacheable.
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