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https://issues.apache.org/jira/browse/ARROW-3542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17660565#comment-17660565
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Rok Mihevc commented on ARROW-3542:
-----------------------------------
This issue has been migrated to [issue
#19856|https://github.com/apache/arrow/issues/19856] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [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: 20m
> 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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