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https://issues.apache.org/jira/browse/CALCITE-3880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Kasa updated CALCITE-3880:
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Description:
{code}
LogicalProject(EMPNO=[$0])
LogicalSortExchange(distribution=[hash[1]], collation=[[0]])
LogicalProject(EMPNO=[$0], ENAME=[$1], DEPTNO=[$7])
LogicalTableScan(table=[[scott, EMP]])
{code}
In this case the column `DEPTNO` is not required in LogicalSortExchange nor in
the Project top on it.
> Add SortExchange support to RelFieldTrimmer
> -------------------------------------------
>
> Key: CALCITE-3880
> URL: https://issues.apache.org/jira/browse/CALCITE-3880
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.21.0
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Major
>
> {code}
> LogicalProject(EMPNO=[$0])
> LogicalSortExchange(distribution=[hash[1]], collation=[[0]])
> LogicalProject(EMPNO=[$0], ENAME=[$1], DEPTNO=[$7])
> LogicalTableScan(table=[[scott, EMP]])
> {code}
> In this case the column `DEPTNO` is not required in LogicalSortExchange nor
> in the Project top on it.
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