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https://issues.apache.org/jira/browse/CALCITE-5019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan closed CALCITE-5019.
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Resolved in release 1.30.0 (2022-03-20)
> Avoid multiple scans when table is ProjectableFilterableTable
> -------------------------------------------------------------
>
> Key: CALCITE-5019
> URL: https://issues.apache.org/jira/browse/CALCITE-5019
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.29.0
> Reporter: ChenKai
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.30.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> {code:sql}
> select a from ProjectableFilterableTable where b = 'xx'
> {code}
> The ProjectableFilterableTable will scan two times when projections and
> filters are different columns.
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