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https://issues.apache.org/jira/browse/ARROW-2226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16379191#comment-16379191
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ASF GitHub Bot commented on ARROW-2226:
---------------------------------------

trxcllnt commented on issue #1671: ARROW-2226: [JS] use indices.offset in 
DictionaryData constructor
URL: https://github.com/apache/arrow/pull/1671#issuecomment-369005827
 
 
   @wesm I might've asked this before, but is it possible (via the spec) for 
the `indices` itself to be a DictionaryVector? We don't guard against doing it 
on-the-fly, but if we want to support it, we should probably go through the 
public `indicies.nullCount` instead of using the private `_nullCount` here.

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> [JS] DictionaryData should use indices' offset in constructor
> -------------------------------------------------------------
>
>                 Key: ARROW-2226
>                 URL: https://issues.apache.org/jira/browse/ARROW-2226
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: JavaScript
>    Affects Versions: JS-0.3.0
>            Reporter: Paul Taylor
>            Assignee: Paul Taylor
>            Priority: Major
>              Labels: pull-request-available
>




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