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Posted to issues@calcite.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/07/05 13:44:00 UTC

[jira] [Updated] (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 ]

ASF GitHub Bot updated CALCITE-3174:
------------------------------------
    Labels: pull-request-available  (was: )

> 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
>            Priority: Major
>              Labels: pull-request-available
>
> 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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