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https://issues.apache.org/jira/browse/CALCITE-3729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-3729:
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Labels: pull-request-available (was: )
> Filters failed to be pushed down when it's identical to join condition.
> -----------------------------------------------------------------------
>
> Key: CALCITE-3729
> URL: https://issues.apache.org/jira/browse/CALCITE-3729
> Project: Calcite
> Issue Type: Improvement
> Reporter: Jin Xing
> Assignee: Jin Xing
> Priority: Major
> Labels: pull-request-available
>
> FilterJoinRule optimize below sql as
> {code:java}
> select * from sales.dept d inner join sales.emp e
> on d.deptno = e.deptno and d.deptno > e.mgr
> where d.deptno > e.mgr
> LogicalProject(DEPTNO=[$0], NAME=[$1], EMPNO=[$2], ENAME=[$3], JOB=[$4],
> MGR=[$5], HIREDATE=[$6], SAL=[$7], COMM=[$8], DEPTNO0=[$9], SLACKER=[$10])
> LogicalFilter(condition=[>($0, $5)])
> LogicalJoin(condition=[AND(=($0, $9), >($0, $5))], joinType=[inner])
> LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}
>
> The outer Filter failed to be pushed down into Join and removed.
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