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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (DERBY-2806) calling getByteLength on org.apache.derby.impl.jdbc.StoreStreamClob makes BinaryStream, fetched before this call, unusable
Date Thu, 14 Jun 2007 22:06:33 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan resolved DERBY-2806.
------------------------------------

    Resolution: Fixed

Committed 'derby-2806-2a.diff' to trunk with revision 547422.

This bug is also present in 10.2, but I do not plan to back-port it to that branch. This is
due to the fact that the Clob code has been heavily rewritten and reorganized for 10.3 and
I think it might be hard to fix the bug in 10.2 without a rather large fix (my gut feeling,
there might be a simple way...).

> calling getByteLength on org.apache.derby.impl.jdbc.StoreStreamClob makes BinaryStream,
fetched before this call, unusable
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2806
>                 URL: https://issues.apache.org/jira/browse/DERBY-2806
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.2.2.0, 10.3.0.0
>            Reporter: Anurag Shekhar
>            Assignee: Kristian Waagan
>             Fix For: 10.3.0.0
>
>         Attachments: derby-2806-1a.diff, derby-2806-2a.diff, derby-2806-2a.stat, Derby2806.java
>
>
> StoreStreamClob.getByteLength first resets the internal stream and then reads the entire
stream. Due to this any read on Stream obtained by StoreStreamClob.getRawByteStream returns
-1.
> StoreStreamClob is a read only InternalClob, so probably keeping the length in a variable
will be good idea.

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