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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3431) DatabaseMetaData.getConnection returns the wrong connection when using connection pooling
Date Wed, 28 May 2008 12:17:45 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-3431:
-----------------------------------

    Attachment: derby-3431-3b-client_logical_metadata.diff

'derby-3431-3b-client_logical_metadata.diff' addresses the comments Knut Anders made, and
contains a few other minor changes.

-- StatementPoolingTests
   Extended test to check for implementation class, to make sure a JDBC 4 class is returned
in a JDBC 4 env.

-- Reference to the real metadata object
   There is no reference to the real / physical metadata object anymore. The getMetaData method
of the physical connection is called each time the object needs to be accessed.

-- LogicalDatabaseMetaData.getRealMetaDataObject
   I was a bit lazy and didn't want to remove the method, as it would probably require that
many lines would become longer than 80 characters... Can be removed (make logicalCon protected
/ package-private then).


The regression tests passed, but I made a few late changes so I'm running them again. Will
report back when they're done.

Patch ready for another round of review.

> DatabaseMetaData.getConnection returns the wrong connection when using connection pooling
> -----------------------------------------------------------------------------------------
>
>                 Key: DERBY-3431
>                 URL: https://issues.apache.org/jira/browse/DERBY-3431
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, Network Client
>    Affects Versions: 10.1.3.1, 10.2.2.0, 10.3.2.1, 10.4.1.3, 10.5.0.0
>         Environment: Client-server with connection pooling enabled.
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>            Priority: Minor
>             Fix For: 10.5.0.0
>
>         Attachments: derby-3431-1a-test_repro.diff, derby-3431-1b-test_repro.diff, derby-3431-2a-test.diff,
derby-3431-3a-client_logical_metadata.diff, derby-3431-3a-client_logical_metadata.stat, derby-3431-3b-client_logical_metadata.diff
>
>
> The connection returned from DatabaseMetaData.getConnection is not the same as the connection
used to create the meta data object when the client driver is used with connection pooling
enabled.
> For trunk, the embedded driver/ds does the right thing.

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