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https://issues.apache.org/jira/browse/ARROW-7945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17173274#comment-17173274
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Niklas B commented on ARROW-7945:
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[~bkietz] is there any code samples on how to do that? Looking to use the new
dataset api.
> [C++][Dataset] Implement InMemoryDatasetFactory
> -----------------------------------------------
>
> Key: ARROW-7945
> URL: https://issues.apache.org/jira/browse/ARROW-7945
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.16.0
> Reporter: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Major
> Labels: dataset
>
> This will allow in memory datasets (such as tables) to participate in
> discovery through {{UnionDatasetFactory}}. This class will be trivial since
> Inspect will do nothing but return the table's schema, but is necessary to
> ensure that the resulting {{UnionDataset}}'s unified schema accommodates the
> table's schema (for example including fields present only in the table's
> schema or emitting an error when unification is not possible)
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