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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-9992) Operator Precedence is incorrect. XOR should be after minus/plus
Date Tue, 17 Mar 2015 17:19:38 GMT
Alexander Pivovarov created HIVE-9992:
-----------------------------------------

             Summary: Operator Precedence is incorrect. XOR should be after minus/plus
                 Key: HIVE-9992
                 URL: https://issues.apache.org/jira/browse/HIVE-9992
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.2.0
            Reporter: Alexander Pivovarov
            Assignee: Alexander Pivovarov


XOR ^ has higher precedence than -/+ in hive
But in java and in MySQL XOR has lower precedence
http://dev.mysql.com/doc/refman/5.0/en/operator-precedence.html
http://docs.oracle.com/javase/tutorial/java/nutsandbolts/operators.html

{code}
// now
select 4 - 2 ^ 8 - 7;
-13

// should be
select 4 - 2 ^ 8 - 7;
3
{code}

need to fix
IdentifiersParser.g  BITWISEXOR



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