[jira] [Commented] (CALCITE-6887) In should distinct values with ReduceExpressionRule

["Julian Hyde (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-6887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17935025#comment-17935025 ] 

Julian Hyde commented on CALCITE-6887:
--------------------------------------

Can you describe the issue in English? Don't make me (or anyone) read code to understand the problem.

> In should distinct values with ReduceExpressionRule
> ---------------------------------------------------
>
>                 Key: CALCITE-6887
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6887
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.38.0
>            Reporter: Yu Xu
>            Assignee: Yu Xu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.40.0
>
>
> @Test void testReduceExpressionsWithIn() {
> final String sql = "select deptno, sal "
> + "from emp "
> + "where deptno in (1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1) ";
> sql(sql).withRule(CoreRules.PROJECT_REDUCE_EXPRESSIONS)
> .check();
> }
>  
> before:
> LogicalProject(DEPTNO=[$7], SAL=[$5])
> LogicalFilter(condition=[IN($7, {
> LogicalValues(tuples=[[\{ 1 }, \{ 1 }, \{ 2 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 1 }, \{ 3 }, \{ 1 }]])
> })])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
>  
> after: 
> LogicalProject(DEPTNO=[$7], SAL=[$5])
> LogicalFilter(condition=[IN($7, {
> LogicalValues(tuples=[[\{ 1 }, \{ 2 }, \{ 3 }]])
> })])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])



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