Damien Profeta created DRILL-5796:
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             Summary: Filter pruning for multi rowgroup parquet file
                 Key: DRILL-5796
                 URL: https://issues.apache.org/jira/browse/DRILL-5796
             Project: Apache Drill
          Issue Type: Improvement
          Components: Storage - Parquet
            Reporter: Damien Profeta


Today, filter pruning use the file name as the partitioning key. This means you 
can remove a partition only if the whole file is for the same partition. With 
parquet, you can prune the filter if the rowgroup make a partition of your 
dataset as the unit of work if the rowgroup not the file.



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