[jira] [Commented] (CALCITE-3729) Filters failed to be pushed down when it's identical to join condition.

["Jin Xing (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-3729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17028284#comment-17028284 ] 

Jin Xing commented on CALCITE-3729:
-----------------------------------

Thanks a lot for merging [~vladimirsitnikov] !

> 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
>             Fix For: 1.22.0
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> 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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