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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3583) Derby should throw a better error message if a BLOB/CLOB column is accessed more than once
Date Fri, 25 Jul 2008 17:13:31 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kathey Marsden updated DERBY-3583:
----------------------------------

    Component/s: JDBC

> Derby should throw a better error message if a BLOB/CLOB column is accessed more than
once
> ------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3583
>                 URL: https://issues.apache.org/jira/browse/DERBY-3583
>             Project: Derby
>          Issue Type: Improvement
>          Components: JDBC
>            Reporter: Kathey Marsden
>            Assignee: Kathey Marsden
>            Priority: Minor
>
> With the DERBY-2892 fix  revision 642974, users can no longer access a BLOB/CLOB column
more than once for each row.  Currently the error message is
> XJ217 - You cannot invoke other java.sql.Clob/java.sql.Blob methods after calling the
free() method or after the Blob/Clob's transaction has been committed or rolled back.
> I don't know that that makes sense given the user called getString()
> For getCharacterStream()/getBinaryStream() there is no error on the call, just an IOException
on the read.
> We should throw a clearer error message, that the user is not allowed to make multiple
getXXX calls on a BLOB/CLOB column for each row.

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