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https://issues.apache.org/jira/browse/ARROW-2801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16787375#comment-16787375
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Wes McKinney commented on ARROW-2801:
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I definitely will want to account for this need in
https://docs.google.com/document/d/1bVhzifD38qDypnSjtf8exvpP3sSB5x_Kw9m-n66FB2c/edit
so that a single file can yield multiple independently-read fragments (for
parallel processing)
> [Python] Implement splt_row_groups for ParquetDataset
> -----------------------------------------------------
>
> Key: ARROW-2801
> URL: https://issues.apache.org/jira/browse/ARROW-2801
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Python
> Reporter: Robbie Gruener
> Assignee: Robbie Gruener
> Priority: Minor
> Labels: parquet, pull-request-available
> Fix For: 0.13.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Currently the split_row_groups argument in ParquetDataset yields a not
> implemented error. An easy and efficient way to implement this is by using
> the summary metadata file instead of opening every footer file
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