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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4491) The network client changes UDTs into Strings and returns their type as LONGVARBINARY.
Date Tue, 02 Mar 2010 17:13:27 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-4491:
-----------------------------------

    Fix Version/s: 10.6.0.0

Thanks for the quick feedback, Rick. You're probably right about the missing compatibility
test case.
I committed patch 02-aa to trunk with revision 918112.

I'll leave it up to you to resolve / close the issue. In case you add a new test case, I'll
be interested in having a look at your code for another issue I'm working on :)

> 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
>             Fix For: 10.6.0.0
>
>         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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