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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