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From "V.Narayanan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2430) setObject(int targetType, Blob source) and setObject(int targetType, Clob source) should disallow updates on all targetTypes except BLOB and CLOB respectively
Date Mon, 12 Mar 2007 14:16:09 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480102
] 

V.Narayanan commented on DERBY-2430:
------------------------------------

I did a svn update in the checkout in which I had done this modification. After this I did
a svn update and the output did not reveal any broken files

M      java/testing/org/apache/derbyTesting/functionTests/tests/lang/UpdatableResultSetTest.java
M      java/client/org/apache/derby/client/am/CrossConverters.java
X      tools/testing/derby

This issue blocks 2443 for which I have put in a patch for review alone

I request a interested person to consider this patch for review and comment and if everything
is ok a commit recommendation or a commit.

thanx,
Narayanan

>  setObject(int targetType, Blob source) and setObject(int targetType, Clob source) should
disallow updates on all targetTypes except BLOB and CLOB respectively
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2430
>                 URL: https://issues.apache.org/jira/browse/DERBY-2430
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Network Client
>         Environment: All
>            Reporter: V.Narayanan
>         Assigned To: V.Narayanan
>         Attachments: setObjectForClobBlob_v1.diff, setObjectForClobBlob_v1.stat
>
>
> updateBlob(int columnIndex, Blob x), updateClob(int columnIndex, Clob x) can be implemented
by forwarding calls to  setObject(int targetType, Blob source), setObject(int targetType,
Clob source). If this this done then
> 1) updateClob on a CHAR/VARCHAR/LONG VARCHAR column throws an exception on the Embedded
Driver but not on the NetworkClient
> 2) updateBlob works on a CHAR/VARCHAR/LONG VARCHAR FOR BIT DATA throws an exception on
the Embedded Driver but not on the NetworkClient
> From what the JDBC 4.0 spec says (pg 198 table b-5) the Embedded behaviour seems to be
correct.
> This can be fixed by Matching Embedded behaviour. This would involve throwing an exception
in the cases mentioned above

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