Yifeng Geng created HIVE-4345:
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Summary: Pushing down query conditions to support on-the-fly
filtering at file parsing
Key: HIVE-4345
URL: https://issues.apache.org/jira/browse/HIVE-4345
Project: Hive
Issue Type: New Feature
Components: Query Processor
Affects Versions: 0.10.0
Reporter: Yifeng Geng
Fix For: 0.10.0
serialize "predicate" conditions in query plan to MapredWork class, so the
FileFormat class can use the conditions to do on-the-fly filtering on the
files. It can improve the performance a lot for processsing certain binary
files.
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