GitHub user dprofeta opened a pull request: https://github.com/apache/drill/pull/949
DRILL-5795: Parquet Filter push down at rowgroup level Before this commit, the filter was pruning complete files. When a file is composed of multiple rowgroups, it was not able to prune one rowgroup from the file. Now, when the filter find that a rowgroup doesn't match it will be remove from the scan. You can merge this pull request into a Git repository by running: $ git pull https://github.com/dprofeta/drill drill-5795 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/drill/pull/949.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #949 ---- commit eed3395647b10d06edf86ba4378995e9fd8da83d Author: Damien Profeta <damien.prof...@amadeus.com> Date: 2017-09-15T18:01:58Z Parquet Filter push down now work at rowgroup level Before this commit, the filter was pruning complete files. When a file is composed of multiple rowgroups, it was not able to prune one rowgroup from the file. Now, when the filter find that a rowgroup doesn't match it will be remove from the scan. ---- ---