Patch to support HAVING clause in Hive
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Key: HIVE-1790
URL: https://issues.apache.org/jira/browse/HIVE-1790
Project: Hive
Issue Type: Improvement
Reporter: Vaibhav Aggarwal
Assignee: Vaibhav Aggarwal
Currently Hive users have to do nested queries in order to apply filter on
group by expressions.
This patch allows users to directly apply filter on group by expressions by
using HAVING clause.
This patch also helps us integrate Hive with other data analysis tools which
rely on HAVING expression.
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