[jira] [Created] (DRILL-149) Update Expression parser so that a combined NULL_IF_NULL tree does vectorized null operations

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

Jacques Nadeau created DRILL-149:
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             Summary: Update Expression parser so that a combined NULL_IF_NULL tree does vectorized null operations
                 Key: DRILL-149
                 URL: https://issues.apache.org/jira/browse/DRILL-149
             Project: Apache Drill
          Issue Type: New Feature
         Environment: If a portion of an expression tree is all NULL_IF_NULL, then we can use null bitvector intersection operations at the end of the expression tree and manage the nullability separately.
            Reporter: Jacques Nadeau




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