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From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-5278) Move some string UDFs to GenericUDFs, for better varchar support
Date Thu, 12 Sep 2013 02:37:51 GMT
Jason Dere created HIVE-5278:
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             Summary: Move some string UDFs to GenericUDFs, for better varchar support
                 Key: HIVE-5278
                 URL: https://issues.apache.org/jira/browse/HIVE-5278
             Project: Hive
          Issue Type: Improvement
          Components: Types, UDF
            Reporter: Jason Dere
            Assignee: Jason Dere


To better support varchar/char types in string UDFs, select UDFs should be converted to GenericUDFs.
This allows the UDF to return the resulting char/varchar length in the type metadata.

This work is being split off as a separate task from HIVE-4844. The initial UDFs as part of
this work are concat/lower/upper.

NO PRECOMMIT TESTS - dependent on HIVE-4844

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