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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