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https://issues.apache.org/jira/browse/DRILL-7867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17289149#comment-17289149
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ASF GitHub Bot commented on DRILL-7867:
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vvysotskyi commented on pull request #2179:
URL: https://github.com/apache/drill/pull/2179#issuecomment-784304822
@luocooong, yes. With these changes, Drill can use a function that accepts
nullable inputs for the case when required arguments provided and such UDF is
absent. So it is tested by a simple removing of the `Split` class.
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> Allow using required arguments for functions with nullable parameters
> ---------------------------------------------------------------------
>
> Key: DRILL-7867
> URL: https://issues.apache.org/jira/browse/DRILL-7867
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.19.0
> Reporter: Vova Vysotskyi
> Assignee: Vova Vysotskyi
> Priority: Major
> Fix For: 1.19.0
>
>
> When the user introduces only a single UDF that accepts nullable arguments,
> it should be possible to use that UDF for arguments with the required data
> mode.
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