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Posted to dev@drill.apache.org by "Vova Vysotskyi (Jira)" <ji...@apache.org> on 2020/05/17 19:40:00 UTC

[jira] [Created] (DRILL-7739) Allow implicit casts from required to nullable data type

Vova Vysotskyi created DRILL-7739:
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             Summary: 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
            Reporter: Vova Vysotskyi
            Assignee: Vova Vysotskyi


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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