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Whether to push predicates down into storage handlers. Ignored when hive.optimize.ppd is false.

hive.ppd.remove.duplicatefilters

• Default Value: true
• Added In: Hive 0.8.0

During query optimization, filters may be pushed down in the operator tree. If this config is true, only pushed down filters remain in the operator tree, and the original filter is removed. If this config is false, the original filter is also left in the operator tree at the original place.

hive.ppd.recognizetransivity

• Default Value: true
• Added In: Hive 0.8.1

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For WebHCat configuration, see Configuration Variables in the WebHCat manual.