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https://issues.apache.org/jira/browse/ARROW-507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16089191#comment-16089191
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Wes McKinney commented on ARROW-507:
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Moving this to 0.6.0. I added a preliminary implementation in the patch for
ARROW-1177, but to make it complete, we need to handle "sanitizing" offsets
that contain nulls (replacing the null values with the previous value) and
adding unit tests to validate.
> [C++/Python] Construct List container from offsets and values subarrays
> -----------------------------------------------------------------------
>
> Key: ARROW-507
> URL: https://issues.apache.org/jira/browse/ARROW-507
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++, Python
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Fix For: 0.6.0
>
>
> This is the inverse operation from flattening a list type into its child
> values (dropping the offsets)
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