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https://issues.apache.org/jira/browse/HIVE-20240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16558801#comment-16558801
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Deepak Jaiswal commented on HIVE-20240:
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[~jdere] can you please review?
> Semijoin Reduction : Use local variable to check for external table condition
> -----------------------------------------------------------------------------
>
> Key: HIVE-20240
> URL: https://issues.apache.org/jira/browse/HIVE-20240
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Priority: Major
> Attachments: HIVE-20240.1.patch
>
>
> This condition,
>
> semiJoin = semiJoin &&
> !disableSemiJoinOptDueToExternalTable(parseContext.getConf(), ts, ctx);
>
> may set semiJoin to false if an external table is encountered and will remain
> false for subsequent cases. It should only disable it for that particular
> case.
>
> cc [~jdere]
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