[jira] [Closed] (CALCITE-777) IS NOT NULL filter is incorrectly dropped for aggregates and window functions

["Aman Sinha (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aman Sinha closed CALCITE-777.
------------------------------
    Resolution: Cannot Reproduce

Pls see prior comments. 

> IS NOT NULL filter is incorrectly dropped for aggregates and window functions
> -----------------------------------------------------------------------------
>
>                 Key: CALCITE-777
>                 URL: https://issues.apache.org/jira/browse/CALCITE-777
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.3.0-incubating
>            Reporter: Aman Sinha
>            Assignee: Aman Sinha
>
> The below plans show the IS NOT NULL filter is incorrectly dropped.  
> {code}
> select wsum from (select sum(sal) over (partition by deptno) as wsum from emp) where wsum is not null;
> LogicalProject(WSUM=[$0])
>   LogicalProject(WSUM=[SUM($5) OVER (PARTITION BY $7 RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)])
>     LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}
> {code}
> select wsum from (select sum(sal) as wsum from emp group by deptno) where wsum is not null;
> LogicalProject(WSUM=[$0])
>   LogicalProject(WSUM=[$1])
>     LogicalAggregate(group=[{0}], WSUM=[SUM($1)])
>       LogicalProject(DEPTNO=[$7], SAL=[$5])
>         LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}



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