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From "Tiago R. Espinha (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3377) Network Client/Server should use sqlType instead of locator value to determine if lob was sent by locator/value
Date Mon, 13 Jul 2009 12:09:14 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tiago R. Espinha updated DERBY-3377:
------------------------------------

               Urgency: Low
    Bug behavior facts: [Embedded/Client difference]

Triaged for 10.5.2.

Assigned low urgency and checked embedded/client difference as only the network server is
mentioned. 

> Network Client/Server should use sqlType instead of locator value to determine if lob
was sent by locator/value
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3377
>                 URL: https://issues.apache.org/jira/browse/DERBY-3377
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client, Network Server
>    Affects Versions: 10.3.1.4, 10.3.2.1, 10.4.1.3
>            Reporter: Kathey Marsden
>            Priority: Minor
>
> This issue came up during the fix for DERBY-3243.  Currently network server does not
send the correct sqlType for locators. It sends DB2_SQLTYPE_BLOB or DB2_SQLTYPE_CLOB instead
of DB2_SQLTYPE_BLOB_LOCATOR or DB2_SQLTYPE_CLOB_LOCATOR so the client's only way of determining
whether it is getting a lob by value or locator is to look at the locator/extended length
field and use that to branch its logic.  It would be cleaner moving foward to use the sqlType
to branch this logic, but there would have to be version specific handling to allow it to
work the old way when communicating with older versions.
> The sqlType is sent as part of the SQLDAGRP in DRDAConnThread.writeSQLDAGRP()  in the

> server code.

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