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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4278) Batch inserts with Clobs fails with the embedded driver
Date Fri, 19 Jun 2009 13:58:07 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-4278:
-----------------------------------

    Attachment: derby-4278-1a-regression_test.diff

Attached regression tests for the bug as patch 1a.
The patch must be committed together with the fix.

> Batch inserts with Clobs fails with the embedded driver
> -------------------------------------------------------
>
>                 Key: DERBY-4278
>                 URL: https://issues.apache.org/jira/browse/DERBY-4278
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.5.1.1, 10.6.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>         Attachments: derby-4278-1a-regression_test.diff
>
>
> Batch inserts with Clobs fail because Derby is unable to determine if it should write
the Clob stream header formats using the old 10.4 style format or the new 10.5 format.
> More specifically, the access mode (soft upgrade or not) hasn't been set specifically
by Derby before the stream header has to be generated, and there isn't enough context to determine
the mode at generation time.
> Bug was reported on derby-user: http://www.nabble.com/Hibernate-%2B-Derby---Unable-to-determine-stream-header-for-hibernate-type-%27text%27-td24099674.html
> The bug was reported for Derby used with Hibernate. Possible workarounds are to use the
client driver or to avoid using batched inserts with Clobs (i.e. don't use batched inserts,
which may degrade performance, or use a different data type).

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