Support IF(test, valueTrue, valueFalseOrNull)
---------------------------------------------
Key: HIVE-258
URL: https://issues.apache.org/jira/browse/HIVE-258
Project: Hadoop Hive
Issue Type: New Feature
Components: Query Processor
Reporter: Zheng Shao
Assignee: Zheng Shao
Attachments: HIVE-258.2.patch
See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html for
details.
Syntax:
{code}
IF(expr1,expr2,expr3)
{code}
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