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https://issues.apache.org/jira/browse/ARROW-2801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17322008#comment-17322008
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Joris Van den Bossche commented on ARROW-2801:
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Since nobody spoke up that they want this, and since we have a way to split by
row groups with the new dataset API, let's close this for now.
> [Python][C++][Dataset] Implement split_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: Joris Van den Bossche
> Priority: Minor
> Labels: dataset, dataset-parquet-read, parquet,
> pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 3h 10m
> 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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