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https://issues.apache.org/jira/browse/CALCITE-2886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-2886:
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Labels: pull-request-available (was: )
> Simplification of AND expressions should push negations earlier
> ---------------------------------------------------------------
>
> Key: CALCITE-2886
> URL: https://issues.apache.org/jira/browse/CALCITE-2886
> Project: Calcite
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
>
> * currently simplification decomposes the AND operands
> * simplifies all operands
> * runs main simplification
> * (re) simplifies all operands which are negated
> Idea is to make the recursion as a first step; which could also push negation
> further down; and skip the simplification at end completely - as its not
> connected to a structural change.
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