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[jira] [Created] (ARROW-3487) simplify NULL_IF_NULL functions that can return errors


Pindikura Ravindra created ARROW-3487:
-----------------------------------------

             Summary: simplify NULL_IF_NULL functions that can return errors
                 Key: ARROW-3487
                 URL: https://issues.apache.org/jira/browse/ARROW-3487
             Project: Apache Arrow
          Issue Type: Task
          Components: Gandiva
            Reporter: Pindikura Ravindra


NULL_IF_NULL functions that can return errors eg. divide currently look at the validity bits in each function (to avoid returning spurious errors).

 
{code:java}
divide(TYPE in1, boolean is_valid1, TYPE in2, boolean is_valid2, ..) {
    if (!is_valid1 || !is_valid2) { 
      return 0;
    }
    if (in2 == 0) { /* set error */ }
}
{code}
 

This validity check is duplicated for multiple functions and should be moved to the common layer (for all NULL_IF_NULL functions that can return error).

 

 



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