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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2769) Implement error handling/parameter checking in Clob.setString
Date Tue, 28 Apr 2009 21:47:30 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703842#action_12703842
] 

Kathey Marsden commented on DERBY-2769:
---------------------------------------

Thanks Yun.  derby-2769-4.diff looks good.   I verified the message prints out ok now and
 changed the message file a bit to correct an indentation issue and changed the mssage just
a bit.  The new message is: "The range specified for the substring with offset {0} and len
{1} is out of range for the String: {2}."

I will run tests and check this in. Thanks for the contribution!

On the release note,  under Rationale for Change, you should refer to the JDBC specification,
not the SQL specification. Under Application Changes Required you should not list the changes
made to Derby, but rather the changes that an application calling Clob.setString() might need
to make.

> Implement error handling/parameter checking in Clob.setString
> -------------------------------------------------------------
>
>                 Key: DERBY-2769
>                 URL: https://issues.apache.org/jira/browse/DERBY-2769
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.3.1.4
>            Reporter: Kristian Waagan
>            Assignee: Yun Lee
>         Attachments: DERBY-2769-1.patch, DERBY-2769-1.stat, DERBY-2769-2.patch, DERBY-2769-2.stat,
DERBY-2769-3-a.diff, DERBY-2769-3-a.stat, DERBY-2769-3-b.diff, DERBY-2769-3-b.stat, DERBY-2769-4.diff,
DERBY-2769-4.stat, releaseNote.html
>
>
> The error handling, or parameter checking, in Clob.subString is not adequate.
> There are four parameters that can be invalid;
>  * pos
>  * str
>  * offset
>  * len
> The first one is already handled properly, the remaining three are not. They typically
result in some low-level exception like a NPE.
> I have not found anything in the JDBC specification nor JavaDoc that dictates the behavior,
except for that SQLException should use states defined in the SQL 2003 specification. A brief
search there resulted in the following possibilities:
>  22003 - numeric value out of range
>  22004 - null value not allowed
>  2200F - zero-length character string
>  22011 - substring error 
>  22023 - invalid parameter value
> Some of these are already defined by Derby, but with unsuitable or very specific error
messages.

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