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https://issues.apache.org/jira/browse/ARROW-18402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638787#comment-17638787
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Weston Pace commented on ARROW-18402:
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This is a good idea. I'd like to eventually support a {{DeserializePlan}} that
doesn't create any sink nodes (so that users can add them later) and this would
return a {{DeclarationInfo}}.
> [C++] Expose `DeclarationInfo`
> ------------------------------
>
> Key: ARROW-18402
> URL: https://issues.apache.org/jira/browse/ARROW-18402
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Yaron Gvili
> Assignee: Yaron Gvili
> Priority: Major
>
> `DeclarationInfo` is just a pair of `Declaration` and `Schema`, which are
> public APIs, and so can be made public API itself. This can be part of or a
> follow-up on [https://github.com/apache/arrow/pull/14485], and will allow
> implementing extension providers, whose API depends on `DeclarationInfo`,
> outside of the Arrow repo.
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