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Posted to issues@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/04/17 13:59:00 UTC

[jira] [Updated] (ARROW-8499) [C++][Dataset] In ScannerBuilder, batch_size will not work if projecter is not empty

     [ https://issues.apache.org/jira/browse/ARROW-8499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-8499:
----------------------------------
    Labels: pull-request-available  (was: )

> [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
>
> 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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