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Posted to issues@calcite.apache.org by "Bohdan Kazydub (JIRA)" <ji...@apache.org> on 2019/07/05 13:45:00 UTC
[jira] [Assigned] (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 ]
Bohdan Kazydub reassigned CALCITE-3174:
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Assignee: Bohdan Kazydub
> 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: Bohdan Kazydub
> Priority: Major
> Labels: pull-request-available
> Time Spent: 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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