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Date: Thu, 22 Jun 2006 14:19:30 +0000 (GMT+00:00)
From: "Fernanda Pizzorno (JIRA)" <derby-dev@db.apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Updated: (DERBY-1313) SUR: Use DRDA's extended diagnostic to
 send ROW_UPDATED and ROW_DELETED warnings.
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     [ http://issues.apache.org/jira/browse/DERBY-1313?page=all ]

Fernanda Pizzorno updated DERBY-1313:
-------------------------------------

    Attachment: derby-1313v1.pdf

The attached document (derby-1313v1.pdf) contains a short description of the work done in DERBY-1313 and DERBY-1374, and some thoughts of what is needed in order to extend this work to cover other warnings and exception.

> SUR: Use DRDA's extended diagnostic to send ROW_UPDATED and ROW_DELETED warnings.
> ---------------------------------------------------------------------------------
>
>          Key: DERBY-1313
>          URL: http://issues.apache.org/jira/browse/DERBY-1313
>      Project: Derby
>         Type: Bug

>   Components: JDBC
>     Reporter: Fernanda Pizzorno
>     Assignee: Fernanda Pizzorno
>  Attachments: derby-1313.diff, derby-1313.stat, derby-1313v1.pdf, derby-1313v2.diff, derby-1313v2.stat, derby-1313v3.diff, derby-1313v3.stat
>
> Detectability of own changes is implemented in the client using warnings cf the write-up for DERBY-775. When a row has been deleted and/or updated, a warning will be sent to the client to indicate that fact. Presently, only one warning can be sent each time a data row is sent from to the client, that means that some warnings may be lost. Using extended diagnostic allows us to send several warnings for each data row.
> I propose to use extended diagnostics to send ROW_UPDATED and ROW_DELETED warnings when necessary. This may later be extended for other warnings, but I do not plan to do it as a part of the work in this issue.

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