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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-10641) create CRC32 UDF
Date Thu, 07 May 2015 06:03:59 GMT
Alexander Pivovarov created HIVE-10641:
------------------------------------------

             Summary: create CRC32 UDF
                 Key: HIVE-10641
                 URL: https://issues.apache.org/jira/browse/HIVE-10641
             Project: Hive
          Issue Type: Improvement
          Components: UDF
            Reporter: Alexander Pivovarov
            Assignee: Alexander Pivovarov


CRC32 computes a cyclic redundancy check value for string or binary argument and returns bigint
value. The result is NULL if the argument is NULL.

MySQL has similar function https://dev.mysql.com/doc/refman/5.0/en/mathematical-functions.html#function_crc32



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