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https://issues.apache.org/jira/browse/CALCITE-7327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhen Chen reopened CALCITE-7327:
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> Support IS NOT DISTINCT FROM as equi condition of hash join
> -----------------------------------------------------------
>
> Key: CALCITE-7327
> URL: https://issues.apache.org/jira/browse/CALCITE-7327
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.41.0
> Reporter: Silun Dong
> Assignee: Silun Dong
> Priority: Major
> Labels: pull-request-available
>
> Using IS NOT DISTINCT FROM as an equi condition in HashJoin produced
> incorrect results under the Enumerable convention. So in CALCITE-6904 , IS
> NOT DISTINCT FROM was treated as a non-equi condition.
> This work will fix the incorrect execution behavior and support IS NOT
> DISTINCT FROM as an equi condition of HashJoin.
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