sounds reasonable imo.
note that you have to SELECT (i.e. refresh) after you create an entity, to
get the new identity value, as it won't SELECT IDENTITY_INSERT() for you.

btw, for GUID id, it's considered best practice to use the "guid.comb"
generator

On Wed, Oct 29, 2008 at 4:18 PM, Bil Simser <[EMAIL PROTECTED]> wrote:

>
> Hi guys,
>
> Just wondering if this is the best way to do something. We have a
> table mapping where we're using a GUID for the Id/primary key. In
> addition, there's a requirement for us to give back a confirmation
> number to users when we add a new item to this table.
>
> The workaround we did for this was as follows:
>
> Specify the table mappings like so:
>
> <class name="NumberRequest" lazy="false">
>  <id name="Id" type="Guid">
>    <generator class="assigned"/>
>  </id>
> <property name="ConfirmationNumber" generated="insert" insert="false"
> update="false">
> </class>
>
> Then in the mappings file change the column on creation to an identity
> column using the <database-object> tag:
>
> <database-object>
> <create>
>  ALTER TABLE NumberRequest DROP COLUMN ConfirmationNumber
>  ALTER TABLE NumberRequest ADD ConfirmationNumberINT IDENTITY
> </create>
> </database-object>
>
> Make sense or is there a better way?
> >
>


-- 
Ken Egozi.
http://www.kenegozi.com/blog
http://www.musicglue.com
http://www.castleproject.org
http://www.gotfriends.co.il

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