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https://issues.apache.org/jira/browse/HIVE-12328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988262#comment-14988262
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Hari Sankar Sivarama Subramaniyan commented on HIVE-12328:
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A qn here, is it possible to catch this error at an earlier phase, say
FilterOperator.initializeOp() itself.
> Join On clause needs a semantic check to verify expression is boolean
> ----------------------------------------------------------------------
>
> Key: HIVE-12328
> URL: https://issues.apache.org/jira/browse/HIVE-12328
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Affects Versions: 1.0.0, 1.2.1
> Reporter: Thejas M Nair
> Assignee: Pengcheng Xiong
>
> SQL join query fails at query runtime with a poor error message if the
> expression in the on clause of join is not a boolean.
> Hive should give a proper error message at runtime.
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