row-wise IN would be useful
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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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