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Posted to jira@arrow.apache.org by "Rok Mihevc (Jira)" <ji...@apache.org> on 2023/01/11 07:18:04 UTC

[jira] [Commented] (ARROW-1942) [C++] Hash table specializations for small integers

    [ https://issues.apache.org/jira/browse/ARROW-1942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17658972#comment-17658972 ] 

Rok Mihevc commented on ARROW-1942:
-----------------------------------

This issue has been migrated to [issue #17932|https://github.com/apache/arrow/issues/17932] on GitHub. Please see the [migration documentation|https://github.com/apache/arrow/issues/14542] for further details.

> [C++] Hash table specializations for small integers
> ---------------------------------------------------
>
>                 Key: ARROW-1942
>                 URL: https://issues.apache.org/jira/browse/ARROW-1942
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Panchen Xue
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.9.0
>
>
> There is no need to use a dynamically-sized hash table with uint8, int8, since a fixed-size lookup table can be used and avoid hashing altogether



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