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From "Prasanth J (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-5986) ORC SARG evaluation fails with NPE for UDFs or expressions in predicate condition
Date Mon, 09 Dec 2013 06:00:11 GMT
Prasanth J created HIVE-5986:
--------------------------------

             Summary: ORC SARG evaluation fails with NPE for UDFs or expressions in predicate
condition
                 Key: HIVE-5986
                 URL: https://issues.apache.org/jira/browse/HIVE-5986
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.13.0
            Reporter: Prasanth J
            Assignee: Prasanth J


{code}select s from orctable where length(substr(s, 1, 2)) <= 2 and s like '%';{code} kind
of queries generate empty child expressions for the operator (AND in this case). When child
expressions are empty evaluate(TruthValue[] leaves) functions returns null which results in
NPE during orc split elimination or row group elimination. 



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