[jira] [Resolved] (ARROW-8933) [C++] Reduce generated code in vector_hash.cc

["Wes McKinney (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-8933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-8933.
---------------------------------
    Resolution: Fixed

Issue resolved by pull request 7528
[https://github.com/apache/arrow/pull/7528]

> [C++] Reduce generated code in vector_hash.cc
> ---------------------------------------------
>
>                 Key: ARROW-8933
>                 URL: https://issues.apache.org/jira/browse/ARROW-8933
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.0.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Since hashing doesn't need to know about logical types, we can do the following:
> * Use same generated code for both BinaryType and StringType (and LargeBinary/LargeString)
> * Use same generated code for primitive types having the same byte width
> These two changes should reduce binary size and improve compilation speed



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