[jira] [Commented] (DRILL-5796) Filter pruning for multi rowgroup parquet file

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    [ https://issues.apache.org/jira/browse/DRILL-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496589#comment-16496589 ] 

ASF GitHub Bot commented on DRILL-5796:
---------------------------------------

jbimbert opened a new pull request #1298: DRILL-5796: Filter pruning for multi rowgroup parquet file
URL: https://github.com/apache/drill/pull/1298
 
 
   In ParquetFilterPredicate, replaced canDrop with ROWS_MATCH enum to keep inside rowgroup the filter result information.
   This information allows to prune the filter when all rows match.

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> 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
>            Priority: Major
>
> 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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