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https://issues.apache.org/jira/browse/ARROW-13703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17415622#comment-17415622
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Weston Pace commented on ARROW-13703:
-------------------------------------
[~npr] requested
[here](https://github.com/apache/arrow/pull/10955#discussion_r709212523) that,
when exposing these options to R, we change the R default for
"existing_data_behavior" to be "kOverwriteOrIgnore" in order to maintain
backwards compatibility.
> [Python][R] Add bindings for new dataset writing options
> --------------------------------------------------------
>
> Key: ARROW-13703
> URL: https://issues.apache.org/jira/browse/ARROW-13703
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python, R
> Reporter: Weston Pace
> Assignee: Weston Pace
> Priority: Major
>
> ARROW-13650 is slated to add `max_open_files`, `max_rows_per_files`, and
> `existing_data_behavior` options for writing datasets. These options should
> be exposed via python & R.
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