Thank u for your reply
do u mean i can do that:
<property   name="Number" column="Number"  generated="insert"/>

and in data base creation i make Number column Identity???


2009/4/21 Gustavo Ringel <[email protected]>

> You cannot use two ids, but you can set that a property is
> generated="insert" check the insert and update attributes also to see what
> you need there.
>
> Gustavo.
>
>
> On Tue, Apr 21, 2009 at 2:57 PM, Ahmed Emad <[email protected]> wrote:
>
>>
>> Can i add an identity property which isn't a primary key and another
>> one which is primary key?
>>
>> assume this case:
>>
>> table : User
>> UserId: ( PK,Identity).
>> Username:(Identity)
>>
>> can i map it like that:
>>
>> <id  name="UserId" column="UserId" type="Int64">
>>        <generator class="native"/>
>> </id>
>>
>> <id  name="Username" column="Username" type="Int64">
>>        <generator class="uuid.string"/>
>> </id>
>>
>> Will any error will occur ?
>>
>>
>>
>>
>
> >
>

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