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https://issues.apache.org/jira/browse/ARROW-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15430022#comment-15430022
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Wes McKinney commented on ARROW-256:
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See proposal in https://github.com/apache/arrow/pull/125
> Add versioning to the arrow spec.
> ---------------------------------
>
> Key: ARROW-256
> URL: https://issues.apache.org/jira/browse/ARROW-256
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Format
> Reporter: Julien Le Dem
>
> We should add a version field that describes the version of the spec.
> This will allow creating a spec v2 and schema negotiation between
> implementers that may not be using the same version of the spec.
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