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Posted to issues@arrow.apache.org by "marberts (via GitHub)" <gi...@apache.org> on 2026/02/19 20:11:57 UTC
[I] [R] Preserve row order in `write_dataset()` [arrow]
marberts opened a new issue, #49340:
URL: https://github.com/apache/arrow/issues/49340
### Describe the enhancement requested
`write_dataset(df)` need not preserve the row-ordering of `df` across partitions. The `arrow` C++ library was recently updated (since 21.0.0) so that row ordering can be preserved when writing across partitions, and this can be done with, e.g., `pyarrow`'s `dataset.write_dataset()` function by setting `preserve_order=True`.
It would be quite useful if the R package could expose this feature in `write_dataset()`.
https://github.com/apache/arrow/issues/26818
https://github.com/apache/arrow/pull/44470
### Component(s)
R
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Re: [I] [R] Preserve row order in `write_dataset()` [arrow]
Posted by "jonkeane (via GitHub)" <gi...@apache.org>.
jonkeane commented on issue #49340:
URL: https://github.com/apache/arrow/issues/49340#issuecomment-3952873850
Issue resolved by pull request 49343
https://github.com/apache/arrow/pull/49343
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Re: [I] [R] Preserve row order in `write_dataset()` [arrow]
Posted by "jonkeane (via GitHub)" <gi...@apache.org>.
jonkeane closed issue #49340: [R] Preserve row order in `write_dataset()`
URL: https://github.com/apache/arrow/issues/49340
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