[jira] [Closed] (CALCITE-7071) Add test for replacing JOIN node with its child node when JOIN condition is false

["Zhen Chen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-7071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhen Chen closed CALCITE-7071.
------------------------------
    Resolution: Won't Fix

> Add test for replacing JOIN node with its child node when JOIN condition is false
> ---------------------------------------------------------------------------------
>
>                 Key: CALCITE-7071
>                 URL: https://issues.apache.org/jira/browse/CALCITE-7071
>             Project: Calcite
>          Issue Type: Test
>            Reporter: Zhen Chen
>            Assignee: Zhen Chen
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.41.0
>
>
> SQL
> {code:java}
> SELECT e.deptno
> FROM sales.emp e
> LEFT JOIN sales.dept d ON e.deptno = d.deptno and e.deptno between 3 and 1
> {code}
> Plan before
> {code:java}
> LogicalProject(DEPTNO=[$7])
>   LogicalJoin(condition=[false], joinType=[left])
>     LogicalTableScan(table=[[CATALOG, SALES, EMP]])
>     LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
> {code}
> Plan after
> {code:java}
> LogicalProject(DEPTNO=[$7])
>   LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}
> In ProjectJoinRemoveRule, when the Join condition is false, replace the Join with its left child for a left join or its right child for a right join. The above is an example of a left join.



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