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Posted to jira@arrow.apache.org by "Ben Harkins (Jira)" <ji...@apache.org> on 2022/09/06 15:14:00 UTC

[jira] [Assigned] (ARROW-4709) [C++] Optimize for ordered JSON fields

     [ https://issues.apache.org/jira/browse/ARROW-4709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Harkins reassigned ARROW-4709:
----------------------------------

    Assignee: Ben Harkins

> [C++] Optimize for ordered JSON fields
> --------------------------------------
>
>                 Key: ARROW-4709
>                 URL: https://issues.apache.org/jira/browse/ARROW-4709
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Ben Kietzman
>            Assignee: Ben Harkins
>            Priority: Minor
>              Labels: good-second-issue
>
> Fields appear consistently ordered in most JSON data in the wild, but the JSON parser currently looks fields up in a hash table. The ordering can probably be exploited to yield better performance when looking up field indices



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