Remove Partition Filtering Conditions when Possible
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Key: HIVE-1750
URL: https://issues.apache.org/jira/browse/HIVE-1750
Project: Hive
Issue Type: Improvement
Reporter: Siying Dong
For some simple queries, partition filtering constraints take 8% of CPU time
(now 16% since we filter twice) even if the result is always true. When
possible, we should remove these constraints to save CPU times.
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