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https://issues.apache.org/jira/browse/ARROW-17089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kouhei Sutou resolved ARROW-17089.
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Fix Version/s: 10.0.0
Resolution: Fixed
Issue resolved by pull request 13677
[https://github.com/apache/arrow/pull/13677]
> [Python] Use `.arrow` as extension for IPC file dataset
> -------------------------------------------------------
>
> Key: ARROW-17089
> URL: https://issues.apache.org/jira/browse/ARROW-17089
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Affects Versions: 8.0.0
> Reporter: SHIMA Tatsuya
> Assignee: SHIMA Tatsuya
> Priority: Major
> Labels: pull-request-available
> Fix For: 10.0.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> Same as ARROW-17088
> As noted in the following document, the recommended extension for IPC files
> is now `.arrow`.
> > We recommend the “.arrow” extension for files created with this format.
> https://arrow.apache.org/docs/format/Columnar.html#ipc-file-format
> However, currently when writing a dataset with the
> {{pyarrow.dataset.write_dataset}} function, the default extension is
> {{.feather}} when {{arrow}} or {{ipc}} or {{feather}} is selected.
> https://github.com/apache/arrow/blob/b8067151db9bfc04860285fdd8b5e73703346037/python/pyarrow/_dataset.pyx#L1149-L1151
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