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https://issues.apache.org/jira/browse/DERBY-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan updated DERBY-4491:
-----------------------------------
Attachment: derby-4491-02-aa-supportsUDTs.diff
> The network client changes UDTs into Strings and returns their type as
> LONGVARBINARY.
> -------------------------------------------------------------------------------------
>
> Key: DERBY-4491
> URL: https://issues.apache.org/jira/browse/DERBY-4491
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.1.2.1, 10.1.3.1,
> 10.2.1.6, 10.2.2.0, 10.3.1.4, 10.3.2.1, 10.3.3.0, 10.4.1.3, 10.4.2.0,
> 10.5.1.1, 10.5.2.0, 10.5.3.0
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: derby-4491-01-ab-networkTransport.diff,
> derby-4491-01-ad-networkTransport.diff, derby-4491-02-aa-supportsUDTs.diff
>
>
> This is a pre-existing bug which seems to have been with Derby since the
> beginning. Some of the columns in the system tables (e.g.,
> SYS.SYSALIASES.ALIASINFO) contain objects. If you select these columns:
> 1) In the embedded client you will get the correct results. You will get the
> objects in these columns. In addition, the ResultSetMetaData for these
> columns will correctly report that the columns have type JAVA_OBJECT and will
> give a reasonable type name (the class name for the object in the column).
> 2) However, in the network client, you will get the wrong results.
> ResultSet.getObject() will return Strings rather than the original objects.
> In addition, the ResultSetMetaData for these columns will incorrectly report
> that their type is LONGVARBINARY.
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