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Posted to issues@calcite.apache.org by "Will Yu (JIRA)" <ji...@apache.org> on 2019/03/15 23:06:00 UTC

[jira] [Commented] (CALCITE-2926) IN operator type validation failure

    [ https://issues.apache.org/jira/browse/CALCITE-2926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16794009#comment-16794009 ] 

Will Yu commented on CALCITE-2926:
----------------------------------

Can somebody assign it to me? Thanks!

> IN operator type validation failure
> -----------------------------------
>
>                 Key: CALCITE-2926
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2926
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.18.0
>            Reporter: Will Yu
>            Priority: Blocker
>
> There are two columns in my table. Column A's type is VARCHAR while column B's type is VARCHAR ARRAY.
> When validating the SQL call `A IN B` the validation failed. 
> The root cause seems to be in checkTypes functions in SqlInOperator. 
>  # Not sure whether UNORDERED comparator is a good candidate because IN operands should have order.
>  # During being checked in the checker, `canConvertStringInCompare` will give a `false` when family is ARRAY and cause this failure. 



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