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