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https://issues.apache.org/jira/browse/HIVE-12328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988280#comment-14988280
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Ashutosh Chauhan commented on HIVE-12328:
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Apart from usability aspect (which is to give user a quick feedback and not
wait till runtime), this also will waste cluster resources by submitting a job
and than failing.
[~hsubramaniyan] FilterOp::initializeOp() is too late, since thats called at
run time. Check needs to happen in plan generation phase.
> 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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