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https://issues.apache.org/jira/browse/DRILL-7739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17115554#comment-17115554
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ASF GitHub Bot commented on DRILL-7739:
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sanel commented on pull request #2080:
URL: https://github.com/apache/drill/pull/2080#issuecomment-633310389
All good! Thanks @vvysotskyi
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> Allow implicit casts from required to nullable data type
> --------------------------------------------------------
>
> Key: DRILL-7739
> URL: https://issues.apache.org/jira/browse/DRILL-7739
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.17.0
> Reporter: Vova Vysotskyi
> Assignee: Vova Vysotskyi
> Priority: Major
> Fix For: 1.18.0
>
>
> UDFs that accept nullable vector should be able to handle data from the
> required vector. Drill already has UDFs for converting required to nullable
> holders, so just function calls should be inserved where possible.
> It will be also useful for vararg UDFs, where previously was required having
> the same data mode for all vararg arguments.
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