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Posted to jira@arrow.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2021/05/17 03:28:00 UTC
[jira] [Resolved] (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 ]
Liya Fan resolved ARROW-12679.
------------------------------
Fix Version/s: 5.0.0
Resolution: Fixed
Issue resolved by pull request 10285
[https://github.com/apache/arrow/pull/10285]
> [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
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 2h 40m
> 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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