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https://issues.apache.org/jira/browse/IGNITE-6529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Taras Ledkov reopened IGNITE-6529:
----------------------------------

Metadata result set is invalid.
Columns {{BUFFER_LENGTH, SQL_DATA_TYPE, SQL_DATETIME_SUB, IS_GENERATEDCOLUMN}} 
are absent in the result set.

> JDBC drivers don't provide correct metadata about  columns' nullability
> -----------------------------------------------------------------------
>
>                 Key: IGNITE-6529
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6529
>             Project: Ignite
>          Issue Type: Bug
>          Components: jdbc, sql
>            Reporter: Alexander Paschenko
>            Assignee: Taras Ledkov
>             Fix For: 2.3
>
>
> For complete implementation of IGNITE-5648, we have to make JDBC drivers 
> return correct nullability flag for {{NOT NULL}} columns - currently 
> corresponding param of {{QueryField}} is ignored.



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