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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2015/11/02 18:42:27 UTC

[jira] [Resolved] (TAJO-1920) Calling 'Collection.toArray()' with zero-length array argument makes performance worse

     [ https://issues.apache.org/jira/browse/TAJO-1920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi resolved TAJO-1920.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 0.12.0

I just committed the patch. Thank you for your contribution.

> Calling 'Collection.toArray()' with zero-length array argument makes performance worse
> --------------------------------------------------------------------------------------
>
>                 Key: TAJO-1920
>                 URL: https://issues.apache.org/jira/browse/TAJO-1920
>             Project: Tajo
>          Issue Type: Improvement
>            Reporter: Dongkyu Hwangbo
>            Assignee: Dongkyu Hwangbo
>            Priority: Minor
>              Labels: newbie
>             Fix For: 0.12.0
>
>
> When passing in an array of too small size, the {{toArray()}} method has to construct a new array of the right size using reflection. This has significantly worse performance than passing in an array of at least the size of the collection itself.



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