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Posted to issues@arrow.apache.org by "Igor Suhorukov (Jira)" <ji...@apache.org> on 2022/09/06 14:10:00 UTC

[jira] [Created] (ARROW-17631) Propagate table/columns comment into Arrow Schema

Igor Suhorukov created ARROW-17631:
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             Summary: Propagate table/columns comment into Arrow Schema
                 Key: ARROW-17631
                 URL: https://issues.apache.org/jira/browse/ARROW-17631
             Project: Apache Arrow
          Issue Type: New Feature
          Components: Java
    Affects Versions: 9.0.0
            Reporter: Igor Suhorukov


Allow user to provide comment in Arrow Schema from custom comment handler(or constant values from configuration) in JdbcToArrowConfig . It will be very useful metadata in real life (medium to large scale project) for documentation and maintenance topics. Apache Spark code use "comment" key for such metadata, so this looks like reasonable default name for metadata in Arrow schema too



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