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https://issues.apache.org/jira/browse/ARROW-94?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15223544#comment-15223544
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Wes McKinney commented on ARROW-94:
-----------------------------------
There are OmniGraffle files I can send you. I'm thinking it might be better to
transition to plain text "illustrations", i.e.
{code}
data: ["foo", "", null, null, "bar2"]
List
----
bitmap 00010011
length: 5
null_count: 2
offsets: 0 3 3 3 3 7
children:
- Int32
-----
length: 7
null_count: 0
values: f o o b a r 2
{code}
> 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
> Assignee: 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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