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Posted to issues@calcite.apache.org by "Danny Chan (JIRA)" <ji...@apache.org> on 2019/07/19 06:08:00 UTC

[jira] [Resolved] (CALCITE-3174) IS NOT DISTINCT FROM condition pushed from filter to join is not collapsed

     [ https://issues.apache.org/jira/browse/CALCITE-3174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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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