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From "V.Narayanan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2495) Create framework for calling locator related stored procedures from client
Date Tue, 03 Apr 2007 06:51:32 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486247
] 

V.Narayanan commented on DERBY-2495:
------------------------------------

I ran tests on this patch. I got one failure in SecurityPolicyReloadingTest (which has  already
been failing in the tinderbox).

 The code is neatly documented with all javadoc and comments. 

The patch looks good to me +1 for a commit.

> Create framework for calling locator related stored procedures from client
> --------------------------------------------------------------------------
>
>                 Key: DERBY-2495
>                 URL: https://issues.apache.org/jira/browse/DERBY-2495
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Network Client
>            Reporter: Øystein Grøvlen
>         Assigned To: Øystein Grøvlen
>             Fix For: 10.3.0.0
>
>         Attachments: blobframework.diff
>
>
> The client JDBC driver will need to call stored procedures (ref DERBY-2257) to operate
on LOBs identified by locators.  We should create a framework that implement the stored procedure
calls.  This way, the rest of the client code can call methods in this framework when needing
to call the stored procedures without having to prepare SQL statements themselves.  
> The framework should make sure that prepared statements are reused within a connection.
 Each procedure call should only be prepared once per connection.
> Since LOBs can not be parameters to stored procedures, the framework should make sure
that calls involving a byte[] or String that does not fit in a VARCHAR (FOR BIT DATA), are
split into several calls each operating on a fragment of the LOB.

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