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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2017) Client driver can insert and commit partial data when a LOB stream throws IOException or does not match the specified length
Date Tue, 16 Mar 2010 16:54:27 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12845991#action_12845991
] 

Knut Anders Hatlen commented on DERBY-2017:
-------------------------------------------

Hi Kristian,

This sounds like a good approach to me. Also, +1 to keeping the code simple and not optimizing
for possible failure scenarios. Exhausting all streams, even if the first one fails, sounds
perfectly acceptable.

One question: If the user stream fails with an exception on the client side, will the original
exception be the one that's reported to the user, or will it be the synthetic exception produced
on the server?

> 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-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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