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Eduardo Ponce commented on ARROW-12404:
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I will work on this, but want to be clear with the requirement. Arrow has
non-nullary uniform random number generators that generate _N_ numbers which
are defined in the testing module (.e.g,
[random_real()|https://github.com/apache/arrow/blob/master/cpp/src/arrow/testing/random.h#L441-L448]).
The nullary *random()* will be included in the _random_ namespace and make use
of the
[*GenerateOptions*|https://github.com/apache/arrow/blob/master/cpp/src/arrow/testing/random.cc#L57-L63]?
> [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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