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From "Tomohito Nakayama (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-1471) Implement layer B streaming for new methods defined in JDBC4.0
Date Thu, 14 Dec 2006 13:23:22 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1471?page=all ]

Tomohito Nakayama updated DERBY-1471:
-------------------------------------

    Attachment: DERBY-1471_5.patch
                DERBY-1471_5.status

* Description of the patch 
    * This patch implements Layer B streaming for new methods defined in JDBC4.0 as next.

        * Derby NetClient sends lengthless LOB information in Layer B streaming. 
        * Derby NetworkServer receives LOB information sent via Layer B streaming. 
 
    * Remarkable difference from previous patch 
       * NetworkClient takes version of NetworkServer into consideration whether layer B streaming
is possible.
       * When NetworkServer found impossible situation around class for LOB information, the
program throws runtime exception.
* Test 
       * Executed org.apache.derbyTesting.functionTests.suites.All on jdk16 rc environment
and found no error. 
       * Execute derbyall on jdb16rc environment and found no error except for intermittent
error of derbynet/testSecMec.java and derbynet/testconnection.java in DerbyNetClient framework.


> Implement layer B streaming for new methods defined in JDBC4.0
> --------------------------------------------------------------
>
>                 Key: DERBY-1471
>                 URL: http://issues.apache.org/jira/browse/DERBY-1471
>             Project: Derby
>          Issue Type: New Feature
>          Components: Network Client
>            Reporter: Tomohito Nakayama
>         Assigned To: Tomohito Nakayama
>         Attachments: DERBY-1471.diff, DERBY-1471.patch, DERBY-1471.stat, DERBY-1471_2.patch,
DERBY-1471_2.stat, DERBY-1471_3.patch, DERBY-1471_3.stat, DERBY-1471_4.patch, DERBY-1471_4.stat,
DERBY-1471_5.patch, DERBY-1471_5.status
>
>
> JDBC 4.0 introduced new methods which take parameters for object to be sent to sever
without length information.
> For those methods, Layer B streaming is best way to implement sending object to server.
> This issue is representation of DERBY-1417 in Network Client.

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