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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2017) Client driver can insert and commit partial data when a LOB stream throws IOException or does not match the specified length
Date Thu, 22 Apr 2010 16:49:58 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-2017:
-----------------------------------

    Attachment: derby-2017-3c-fix.diff

Attached patch 3a.
Committed the fix to trunk with revision 936950.

Thanks for looking at the patch, Knut.
I rewrote it slightly, adding a static method instead of duplicating the logic to throw the
exception. I also one of the messages to MessageId. The others shouldn't be seen by users...

I will post a follow-up patch for the tests. It will add some tests for binary data, and also
enable the tests.
The time difference you see between the two tests is expected. The layer A test runs a buffer
boundary test, which is not run in the layer B test (the two tests exercise the same code
path when it comes to the buffer boundary issue).

If there are additional comments, I'll incorporate the necessary changes in a new patch.

> Client driver can insert and commit partial data when a LOB stream throws IOException
or does not match the specified length
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2017
>                 URL: https://issues.apache.org/jira/browse/DERBY-2017
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, Network Client
>    Affects Versions: 10.2.1.6
>            Reporter: Knut Anders Hatlen
>            Assignee: Kristian Waagan
>         Attachments: derby-2017-2a-regression_test.diff, derby-2017-2b-regression-test.diff,
derby-2017-3a-fix.diff, derby-2017-3a-fix.stat, derby-2017-3b-fix.diff, derby-2017-3c-fix.diff,
derby-2017-stream_status_preview.diff, derby2017_try1.diff, Derby_2017_v1.diff, Derby_2017_v1.stat,
StreamErrRepro.java
>
>
> When a LOB stream throws an exception or does not match the specified length, the client
driver does not raise an exception until it has finished executing the statement. Therefore,
the statement will be executed (and possibly committed) on the server even though the client
reports that the statement failed.

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