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ASF GitHub Bot commented on DRILL-5796: --------------------------------------- jbimbert commented on a change in pull request #1298: DRILL-5796: Filter pruning for multi rowgroup parquet file URL: https://github.com/apache/drill/pull/1298#discussion_r192736578 ########## File path: exec/java-exec/src/main/java/org/apache/drill/exec/expr/stat/ParquetComparisonPredicates.java ########## @@ -30,8 +30,9 @@ * Comparison predicates for parquet filter pushdown. */ public class ParquetComparisonPredicates { Review comment: Hello VRozov, you're right. I though less code modification was better (my preceding team was afraid of code refactoring...). I have refactored the class. best regards ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > 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 > Assignee: Jean-Blas IMBERT > Priority: Major > Fix For: 1.14.0 > > > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)