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Posted to issues@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2020/02/26 14:21:00 UTC

[jira] [Created] (ARROW-7945) [C++][Dataset] Implement InMemoryDatasetFactory

Ben Kietzman created ARROW-7945:
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             Summary: [C++][Dataset] Implement InMemoryDatasetFactory
                 Key: ARROW-7945
                 URL: https://issues.apache.org/jira/browse/ARROW-7945
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++, C++ - Dataset
    Affects Versions: 0.16.0
            Reporter: Ben Kietzman
            Assignee: Ben Kietzman
             Fix For: 1.0.0


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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