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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 reassigned CALCITE-3174:
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Assignee: Danny Chan (was: 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: Danny Chan
> Priority: Major
> Labels: pull-request-available
> 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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