[jira] [Updated] (CALCITE-3598) ClassCastException in MaterializationTest testJoinMaterialization8 and testJoinMaterialization9

["Ruben Q L (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-3598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruben Q L updated CALCITE-3598:
-------------------------------
    Attachment: codeNestedLoopJoin.txt
                codeHashJoin.txt

> ClassCastException in MaterializationTest testJoinMaterialization8 and testJoinMaterialization9
> -----------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-3598
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3598
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.21.0
>            Reporter: Ruben Q L
>            Priority: Minor
>         Attachments: codeHashJoin.txt, codeNestedLoopJoin.txt
>
>
> Problem unveil by CALCITE-3535, and also separately by CALCITE-3576.
> When CALCITE-3535 was committed, it made MaterializationTest#testJoinMaterialization8 and MaterializationTest#testJoinMaterialization9 change their execution plan from hashJoin to nestedLoopJoin. This caused an exception
> {code}
> java.lang.ClassCastException: java.lang.String$CaseInsensitiveComparator cannot be cast to java.lang.String
> {code}
> which seems unrelated to CALCITE-3535 (or CALCITE-3576), so the tests were temporarily disabled.
> The goal of this ticket is to investigate the root cause of this issue and re-activate both tests.



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