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https://issues.apache.org/jira/browse/ARROW-8499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Kietzman resolved ARROW-8499.
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Fix Version/s: 0.17.0
Resolution: Fixed
Issue resolved by pull request 6967
[https://github.com/apache/arrow/pull/6967]
> [C++][Dataset] In ScannerBuilder, batch_size will not work if projecter is
> not empty
> ------------------------------------------------------------------------------------
>
> Key: ARROW-8499
> URL: https://issues.apache.org/jira/browse/ARROW-8499
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.16.0
> Reporter: Hongze Zhang
> Assignee: Hongze Zhang
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.17.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> This is due to incomplete logic in function
> ScanOptions::ReplaceSchema(...)[1].
> Introduced since ARROW-7547's fix was applied.
> [1]
> https://github.com/apache/arrow/blob/40cd5b8a81db4fd038d3bcbdcd59cba98f336dd9/cpp/src/arrow/dataset/scanner.cc#L41-L47
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