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https://issues.apache.org/jira/browse/ARROW-2410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16852500#comment-16852500
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Wes McKinney commented on ARROW-2410:
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[~bhulette] [~paul.e.taylor] of interest for 0.14?
> [JS] Add DataFrame.scanAsync
> ----------------------------
>
> Key: ARROW-2410
> URL: https://issues.apache.org/jira/browse/ARROW-2410
> Project: Apache Arrow
> Issue Type: Improvement
> Components: JavaScript
> Reporter: Brian Hulette
> Priority: Major
> Fix For: 0.14.0
>
>
> Add a version of `DataFrame.scan`, `scanAsync` that yields periodically. The
> yield frequency could be specified either as a number of record batches, or a
> number of records.
> This scan should also be cancellable.
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