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https://issues.apache.org/jira/browse/CALCITE-3174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Danny Chan resolved CALCITE-3174.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.21.0
Fixed in
[6d7eca1|https://github.com/apache/calcite/commit/6d7eca19bb0a22d059abe4e283d003d2848e55af],
thanks for your PR, [~KazydubB]!
> IS NOT DISTINCT FROM condition pushed from filter to join is not collapsed
> --------------------------------------------------------------------------
>
> Key: CALCITE-3174
> URL: https://issues.apache.org/jira/browse/CALCITE-3174
> Project: Calcite
> Issue Type: Bug
> Reporter: Bohdan Kazydub
> Assignee: Danny Chan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.21.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> If filter containing {{IS NOT DISTINCT FROM}} expression is pushed to join,
> this results to new join condition having this expanded {{IS NOT DISTINCT
> FROM}} expression (and not collapsed one), which can be further modified
> making impossible to identify the {{IS NOT DISTINCT FROM}} condition.
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