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https://issues.apache.org/jira/browse/ARROW-94?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15223286#comment-15223286
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Wes McKinney commented on ARROW-94:
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The only difference is the null bit -- you must propagate the current offset
even with a stretch of nulls so that random access is preserved . Best to
clarify in the spec as you aren't the first person to bring this up.
> Expand list example to clarify null vs empty list
> -------------------------------------------------
>
> Key: ARROW-94
> URL: https://issues.apache.org/jira/browse/ARROW-94
> Project: Apache Arrow
> Issue Type: Bug
> Components: Format
> Reporter: Micah Kornfield
>
> The current spec seems to make the possibility of an empty list impossible
> (or at least conflates it with null).
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