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https://issues.apache.org/jira/browse/CALCITE-5597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis updated CALCITE-5597:
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Summary: SqlToRelConverter generates wrong plan for SELECT DISTINCT query
with ORDER BY (was: SELECT DISTINCT query with ORDER BY column will get error
result)
> SqlToRelConverter generates wrong plan for SELECT DISTINCT query with ORDER BY
> ------------------------------------------------------------------------------
>
> Key: CALCITE-5597
> URL: https://issues.apache.org/jira/browse/CALCITE-5597
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Jiajun Xie
> Assignee: Zhen Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.42.0
>
>
> Here is unit test
> {code:java}
> @Test void testDistinctOrderByRand() {
> final String sql = "select distinct deptno from emp order by rand()";
> sql(sql).ok();
> } {code}
> We will get error logical plan
> {code:java}
> LogicalProject(DEPTNO=[$0])
> LogicalSort(sort0=[$1], dir0=[ASC])
> LogicalAggregate(group=[{0, 1}]) //rand() in group, result will be error
> LogicalProject(DEPTNO=[$7], EXPR$1=[RAND()])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}
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