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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2018/10/17 17:30:00 UTC

[jira] [Resolved] (ARROW-3542) [C++] Use unsafe appends when building array from CSV

     [ https://issues.apache.org/jira/browse/ARROW-3542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-3542.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 0.12.0

Issue resolved by pull request 2780
[https://github.com/apache/arrow/pull/2780]

> [C++] Use unsafe appends when building array from CSV
> -----------------------------------------------------
>
>                 Key: ARROW-3542
>                 URL: https://issues.apache.org/jira/browse/ARROW-3542
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 0.11.0
>            Reporter: Antoine Pitrou
>            Assignee: Antoine Pitrou
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 0.12.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When reading a Table from a CSV file, we presize each ArrayBuilder with the right number of elements, so we could unsafe appends. It should make things a small bit faster.



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