Jin Xing created CALCITE-3729:
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Summary: 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
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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