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Posted to jira@arrow.apache.org by "Joris Peeters (Jira)" <ji...@apache.org> on 2021/05/07 09:19:00 UTC

[jira] [Created] (ARROW-12679) [Java] JDBC adapter does not preserve SQL-nullability

Joris Peeters created ARROW-12679:
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             Summary: [Java] JDBC adapter does not preserve SQL-nullability
                 Key: ARROW-12679
                 URL: https://issues.apache.org/jira/browse/ARROW-12679
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Joris Peeters
            Assignee: Joris Peeters


When using the JDBC adapter, the schema of the VectorSchemaRoot's in the ArrowVectorIterator have all the columns as nullable, irregardless of whether they are nullable in SQL.

This should be fixed, so that the schema has only those columns as nullable that are also nullable in SQL.



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