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Posted to jira@arrow.apache.org by "Bryan Cutler (Jira)" <ji...@apache.org> on 2021/07/28 17:28:00 UTC

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

     [ https://issues.apache.org/jira/browse/ARROW-12679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Cutler reassigned ARROW-12679:
------------------------------------

    Assignee: Joris Peeters  (was: Bryan Cutler)

> [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
>          Components: Java
>            Reporter: Joris Peeters
>            Assignee: Joris Peeters
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 5.0.0
>
>          Time Spent: 3h
>  Remaining Estimate: 0h
>
> 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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