[jira] [Created] (PHOENIX-1876) Check for null function arguments before evaluating when constant

[James Taylor (JIRA)]

James Taylor created PHOENIX-1876:
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             Summary: 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


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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