[jira] [Commented] (CALCITE-4590) Incorrect query result with fixed-length string

["duan xiong (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-4590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17355537#comment-17355537 ] 

duan xiong commented on CALCITE-4590:
-------------------------------------

I have try to find related issue and add issue Links.

> Incorrect query result with fixed-length string
> -----------------------------------------------
>
>                 Key: CALCITE-4590
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4590
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.26.0
>            Reporter: Roman Kondakov
>            Assignee: duan xiong
>            Priority: Major
>
> Query may return wrong result when fixed-length strings (CHAR(N)) are used in OR/IN clause
> {code:java}
> @Test void test() {
>     // Passed.
>     CalciteAssert.that()
>         .query("select * from (values (1, 'a'), (2, 'abc')) where EXPR$1 = 'a'")
>         .returns("EXPR$0=1; EXPR$1=a  \n");
>     // Failed. Only "EXPR$0=2; EXPR$1=abc\n" is returned
>     CalciteAssert.that()
>         .query("select * from (values (1, 'a'), (2, 'abc')) where EXPR$1 = 'a' or EXPR$1 = 'abc'")
>         .returns("EXPR$0=1; EXPR$1=a  \n"
>             + "EXPR$0=2; EXPR$1=abc\n");
>   }
> {code}



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