[jira] [Resolved] (CALCITE-3310) Approximate and exact aggregate calls are recognized as the same during sql-to-rel conversion

["Danny Chan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-3310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Danny Chan resolved CALCITE-3310.
---------------------------------
    Resolution: Fixed

Fixed in [81c768e|https://github.com/apache/calcite/commit/81c768e60078bcb6c8c78057d80090d27ac86030] !

> Approximate and exact aggregate calls are recognized as the same during sql-to-rel conversion
> ---------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-3310
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3310
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.20.0
>            Reporter: Danny Chan
>            Assignee: Danny Chan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.21.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> For sql:
> {code:sql}
> SELECT empno, count(distinct ename)
> approx_count_distinct(ename)
> FROM emp
> GROUP BY empno
> {code}
> After sql-to-rel conversion, the plan is:
> {code:sql}
> LogicalProject(EMPNO=[$0], EXPR$1=[$1], EXPR$2=[$1])
>   LogicalAggregate(group=[{0}], EXPR$1=[COUNT(DISTINCT $1)])
>     LogicalProject(EMPNO=[$0], ENAME=[$1])
>       LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}



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