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https://issues.apache.org/jira/browse/ARROW-12679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-12679:
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Component/s: Java
> [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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