[jira] [Assigned] (ARROW-1280) [C++] Implement Fixed Size List type

["Antoine Pitrou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou reassigned ARROW-1280:
-------------------------------------

    Assignee: Benjamin Kietzman

> [C++] Implement Fixed Size List type
> ------------------------------------
>
>                 Key: ARROW-1280
>                 URL: https://issues.apache.org/jira/browse/ARROW-1280
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Benjamin Kietzman
>            Priority: Major
>              Labels: beginner, pull-request-available
>             Fix For: 0.14.0
>
>          Time Spent: 5h 40m
>  Remaining Estimate: 0h
>
> At the moment, we only support lists with a variable size per entry. In some cases, each entry of a list column will have the same number of elements. In this case, we can use a more effective data structure as well as do certain optimisations on the operations of this type. To implement this type:
> * Describe the memory structure of it in Layout.md
> * Add the type to the enums in the C++ code
> * Add FixedSizeListArray, FixedSizeListType and FixedSizeListBuilder classes to the C++ library



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