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


Laurent Goujon created CALCITE-2437:
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             Summary: 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


{{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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