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Posted to dev@calcite.apache.org by "Silun Dong (Jira)" <ji...@apache.org> on 2025/12/11 06:02:00 UTC

[jira] [Created] (CALCITE-7327) Support IS NOT DISTINCT FROM as equi condition of hash join

Silun Dong created CALCITE-7327:
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             Summary: 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


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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