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https://issues.apache.org/jira/browse/DRILL-5796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512637#comment-16512637
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ASF GitHub Bot commented on DRILL-5796:
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jbimbert commented on issue #1298: DRILL-5796: Filter pruning for multi
rowgroup parquet file
URL: https://github.com/apache/drill/pull/1298#issuecomment-397343825
Hello,
Changes have been implemented. All comment taken into account (PR updated,
force push and only one commit).
Automatic integration tests have failed with the following error : The job
exceeded the maximum time limit for jobs, and has been terminated.
Maybe AI tests should be relaunched (I don't know how to do that).
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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
> 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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