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From "Holger Rehn (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6681) Cannot update BLOB/CLOB values in multiple rows simultaneously
Date Mon, 04 Aug 2014 09:46:12 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14084482#comment-14084482
] 

Holger Rehn commented on DERBY-6681:
------------------------------------

The mentioned bug seems similar but comparing the stack traces I'd guess it is caused by a
different problem (or at least Derby changed a lot since then, in "my" case Derby seems to
first buffer data internally but then doesn't re-use that buffer).

> Cannot update BLOB/CLOB values in multiple rows simultaneously
> --------------------------------------------------------------
>
>                 Key: DERBY-6681
>                 URL: https://issues.apache.org/jira/browse/DERBY-6681
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.9.1.0, 10.10.2.0
>            Reporter: Holger Rehn
>            Priority: Blocker
>         Attachments: MultiLOB.java
>
>
> When trying to execute a single command to update multiple rows with a new BLOB/CLOB
value, an exception is thrown because Derby tries to read the data stream once for every value/row
to update.



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