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https://issues.apache.org/jira/browse/ARROW-12404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17342408#comment-17342408
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Eduardo Ponce commented on ARROW-12404:
---------------------------------------

Thanks! I know that code duplication is a "code smell" but compute and testing 
layers are independent of each other. As I understand Arrow does not (yet) has 
a well-defined common submodule to supply utility functions across layers, and 
this might be further limited if APIs of same functions vary across layers.

> [C++] Implement "random" nullary function that generates uniform random 
> between 0 and 1
> ---------------------------------------------------------------------------------------
>
>                 Key: ARROW-12404
>                 URL: https://issues.apache.org/jira/browse/ARROW-12404
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Eduardo Ponce
>            Priority: Major
>             Fix For: 5.0.0
>
>
> This is similar to PostgreSQL's random() 
> https://www.postgresql.org/docs/8.2/functions-math.html



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