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Posted to issues@drill.apache.org by "Pritesh Maker (JIRA)" <ji...@apache.org> on 2018/07/10 17:23:00 UTC

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

     [ https://issues.apache.org/jira/browse/DRILL-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pritesh Maker updated DRILL-5796:
---------------------------------
    Reviewer: Vlad Rozov  (was: Arina Ielchiieva)

> 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.



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