[jira] [Assigned] (CALCITE-7095) Allow MAP to be indexed by any type of key

["Mihai Budiu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-7095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mihai Budiu reassigned CALCITE-7095:
------------------------------------

    Assignee: Mihai Budiu

> Allow MAP<VARIANT, X> to be indexed by any type of key
> ------------------------------------------------------
>
>                 Key: CALCITE-7095
>                 URL: https://issues.apache.org/jira/browse/CALCITE-7095
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.40.0
>            Reporter: Mihai Budiu
>            Assignee: Mihai Budiu
>            Priority: Minor
>
> Today a MAP with VARIANT keys will not typecheck if it is indexed by a key with a non-variant type. I think the compiler should accept any type of key for this case.
> E.g., the following SQL should be legal:
> {code:sql}
> SELECT CAST(MAP['a', 1] AS MAP<VARIANT, VARIANT>)['a'] AS C
> {code}



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