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https://issues.apache.org/jira/browse/CALCITE-6649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xiong duan resolved CALCITE-6649.
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Fix Version/s: 1.39.0
Resolution: Fixed
> Enhance RelMdPredicates pull up predicate from PROJECT
> ------------------------------------------------------
>
> Key: CALCITE-6649
> URL: https://issues.apache.org/jira/browse/CALCITE-6649
> Project: Calcite
> Issue Type: Bug
> Reporter: xiong duan
> Assignee: xiong duan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.39.0
>
>
> {code:java}
> select comm = 2 from emp where comm = 2 can pull up =($0, true)
> select comm = 3 from emp where comm = 2 can pull up =($0, false)
> select comm = 2 from emp where comm = 2 and empno = 1 can pull up =($0, true)
> select comm = 2 empno = 1 and from emp where comm = 2 and empno = 1 can pull
> up =($0, true)
> Now the pull up predicate is nothing. {code}
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