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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2496) Implement Blob support for Locators
Date Thu, 03 May 2007 23:19:15 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493554
] 

Rick Hillegas commented on DERBY-2496:
--------------------------------------

Thanks for the new patch, Øystein. Looks good to me and the tests run cleanly. Committed
at subversion revision 535027.

> Implement Blob support for Locators
> -----------------------------------
>
>                 Key: DERBY-2496
>                 URL: https://issues.apache.org/jira/browse/DERBY-2496
>             Project: Derby
>          Issue Type: Sub-task
>            Reporter: Øystein Grøvlen
>         Assigned To: Øystein Grøvlen
>         Attachments: blob-followup.diff, blob-followup_v2.diff, blob-followup_v2.diff,
blob.diff, blob_v2.diff
>
>
> DERBY-2347 adds the possibility to send locators between client and server instead of
LOB values.  This has not been activated yet, since the client implementation does not currently
support locators.  This report is for supporting the locators for Blob objects.  Another JIRA
issue will be made for Clob.
> This work will be made in several steps:
>    1. Blob methods and ResultSet.getXXX methods
>    2. PreparedStatement and CallableStatement methods
>    3. ResultSet.updateXXX methods
>    4. Connection.createBlob()
> There is dependencies between these steps and it might be that the Locator implementation
cannot be exposed until everything has been done.  At least, doing just step 1, gives testing
errors because tests use Blobs fetched from DB as parameters to prepared statements.   I would
guess tests for updatable result sets, needs the combination of 1. and 3.

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