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https://issues.apache.org/jira/browse/CALCITE-7348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xiong duan reassigned CALCITE-7348:
-----------------------------------
Assignee: xiong duan
> Remove redundant extraction correlation variables when Trim Project Fields
> --------------------------------------------------------------------------
>
> Key: CALCITE-7348
> URL: https://issues.apache.org/jira/browse/CALCITE-7348
> Project: Calcite
> Issue Type: Bug
> Reporter: xiong duan
> Assignee: xiong duan
> Priority: Major
>
> In RelFieldTrimmer：
> {code:java}
> trimFields( Project project, ImmutableBitSet fieldsUsed,
> Set<RelDataTypeField> extraFields){code}
> The Project RelNode already has the corresponding correlation variables, so
> there is no need to extract them again from the Project.
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