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https://issues.apache.org/jira/browse/CALCITE-3004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16818608#comment-16818608
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Danny Chan commented on CALCITE-3004:
-------------------------------------
[~zhztheplayer] i will take this issue if you agree.
> ProjectSetOpTransposeRule pushes RexOver down incorrectly
> ---------------------------------------------------------
>
> Key: CALCITE-3004
> URL: https://issues.apache.org/jira/browse/CALCITE-3004
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.19.0
> Reporter: Hongze Zhang
> Priority: Major
>
> Test case:
> {code:sql}
> select count(sal) over () from (select * from emp e1 union all select * from
> emp e2)
> {code}
> Plan:
> {code}
> LogicalUnion(all=[true])
> LogicalProject(EXPR$0=[COUNT($5) OVER (RANGE BETWEEN UNBOUNDED PRECEDING
> AND UNBOUNDED FOLLOWING)])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalProject(EXPR$0=[COUNT($5) OVER (RANGE BETWEEN UNBOUNDED PRECEDING
> AND UNBOUNDED FOLLOWING)])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}
> Should be:
> {code}
> LogicalProject(EXPR$0=[COUNT($5) OVER (RANGE BETWEEN UNBOUNDED PRECEDING AND
> UNBOUNDED FOLLOWING)])
> LogicalUnion(all=[true])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}
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