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Posted to issues@arrow.apache.org by "Paul Taylor (JIRA)" <ji...@apache.org> on 2019/02/14 21:56:00 UTC

[jira] [Created] (ARROW-4580) [JS] Accept Iterables in IntVector/FloatVector from() signatures

Paul Taylor created ARROW-4580:
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             Summary: [JS] Accept Iterables in IntVector/FloatVector from() signatures
                 Key: ARROW-4580
                 URL: https://issues.apache.org/jira/browse/ARROW-4580
             Project: Apache Arrow
          Issue Type: Improvement
          Components: JavaScript
    Affects Versions: JS-0.4.0
            Reporter: Paul Taylor
            Assignee: Paul Taylor
             Fix For: JS-0.4.1


Right now {{IntVector.from()}} and {{FloatVector.from()}} expect the data is already in typed-array form. But if we know the desired Vector type before hand (e.g. if {{Int32Vector.from()}} is called), we can accept any JS iterable of the values.

In order to do this, we should ensure {{Float16Vector.from()}} properly clamps incoming f32/f64 values to u16s, in case the source is a vanilla 64-bit JS float.



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