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https://issues.apache.org/jira/browse/ARROW-11797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li resolved ARROW-11797.
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Fix Version/s: (was: 5.0.0)
4.0.0
Resolution: Fixed
Issue resolved by pull request 9589
[https://github.com/apache/arrow/pull/9589]
> [C++][Dataset] Provide Scanner methods to yield/visit scanned batches
> ---------------------------------------------------------------------
>
> Key: ARROW-11797
> URL: https://issues.apache.org/jira/browse/ARROW-11797
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 3.0.0
> Reporter: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Major
> Labels: dataset, pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> From discussion in https://issues.apache.org/jira/browse/ARROW-11782
> It'd be useful to consumers of Scanner to receive an iterator of scanned
> record batches or apply a visitor to batches as they are scanned without
> handling ScanTasks. For example, this could enable aggregations or other
> computations which don't require the entire table to be materialized.
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