UDF: Concat should accept multiple arguments
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Key: HIVE-855
URL: https://issues.apache.org/jira/browse/HIVE-855
Project: Hadoop Hive
Issue Type: Improvement
Components: Query Processor
Affects Versions: 0.5.0
Reporter: Zheng Shao
According to mysql, concat should accept multiple arguments.
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_concat
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