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https://issues.apache.org/jira/browse/DRILL-360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896137#comment-13896137
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Aman Sinha commented on DRILL-360:
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ok, np. You can close 360 as a duplicate of the one you created.
Aman
> Enhance HashFunctions to handle null values
> -------------------------------------------
>
> Key: DRILL-360
> URL: https://issues.apache.org/jira/browse/DRILL-360
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Aman Sinha
>
> Currently, the HashFunctions class uses the NullHandling semantics of
> NULL_IF_NULL which means it will produce null value for a null input. In
> order for Drill operators that perform hashing to work correctly with null
> inputs, we need to add appropriate handling in the HashFunctions such that
> they produce integer values (e.g 0) for such inputs.
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