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From "Adam Kramer (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-801) row-wise IN would be useful
Date Wed, 26 Aug 2009 20:55:59 GMT
row-wise IN would be useful
---------------------------

                 Key: HIVE-801
                 URL: https://issues.apache.org/jira/browse/HIVE-801
             Project: Hadoop Hive
          Issue Type: New Feature
            Reporter: Adam Kramer


SELECT * FROM tablename t
WHERE IN(12345,key1,key2,key3);

...IN would operate on a given row, and return True when the first argument equaled at least
one of the other arguments. So here IN would return true if 12345=key1 OR 12345=key2 OR 12345=key3
(but wouldn't test the latter two if the first matched).

This would also help with https://issues.apache.org/jira/browse/HIVE-783, if IN were implemented
in a manner that allows it to be used in an ON clause.

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