[jira] [Commented] (CALCITE-2437) FilterMultiJoinMergeRule doesn't combine postFilterCondition

["Laurent Goujon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-2437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16726940#comment-16726940 ] 

Laurent Goujon commented on CALCITE-2437:
-----------------------------------------

I guessed I just jinxed myself? I actually triggered it somehow. Will submit a patch shortly

> FilterMultiJoinMergeRule doesn't combine postFilterCondition
> ------------------------------------------------------------
>
>                 Key: CALCITE-2437
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2437
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Laurent Goujon
>            Assignee: Julian Hyde
>            Priority: Major
>
> {{FilterMultiJoinMergeRule}} merges a {{Filter}} on top of a {{MultiJoin}} into the multi join itself as part of its post-join filter condition. But the rule doesn't seem to combine the top filter with the existing condition.
> I actually believe it's a bug in the code, although I never triggered it myself.



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