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https://issues.apache.org/jira/browse/PHOENIX-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498310#comment-14498310
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Samarth Jain commented on PHOENIX-1876:
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+1 for 4.3
> Check for null function arguments before evaluating when constant
> -----------------------------------------------------------------
>
> Key: PHOENIX-1876
> URL: https://issues.apache.org/jira/browse/PHOENIX-1876
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: James Taylor
> Attachments: PHOENIX-1876.patch
>
>
> For built-in functions, we should check whether any required function
> arguments are null (in which case the function always evaluates to null),
> prior to evaluating a stateless, deterministic function. This enables us to
> rely on required arguments being not null if they are constants when evaluate
> is called.
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