[jira] [Assigned] (ARROW-16637) [C++] Add row-based utilities for encoding a batch and merging row tables

["Apache Arrow JIRA Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-16637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Arrow JIRA Bot reassigned ARROW-16637:
---------------------------------------------

    Assignee:     (was: Weston Pace)

> [C++] Add row-based utilities for encoding a batch and merging row tables
> -------------------------------------------------------------------------
>
>                 Key: ARROW-16637
>                 URL: https://issues.apache.org/jira/browse/ARROW-16637
>             Project: Apache Arrow
>          Issue Type: Sub-task
>          Components: C++
>            Reporter: Weston Pace
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> This PR adds a "row table" which is a high level API for a 2D structure that has row-major storage.  It adds utilities to encode to & from the existing columnar structure via this high level API.  Internally it uses RowTableImpl.
> It also adds a merge utility that can merge two row tables together.



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