Hi Steve!

Thank you for your explanation. Ok I'll open an JIRA issue. Or I hope
to have time to contribute and write this feature :).

Matteo.

Thank
On Tue, Jun 21, 2011 at 8:26 PM, Stephen Bohlen <[email protected]> wrote:
>
> SchemaUpdate (unlike SchemaExport) is designed to be 'conservative' in the 
> updates it tries to apply to your database as it inspects the mapping files 
> in order to try to ensure the greatest chance of it being successful.  Since 
> NOT NULL is a constraint that quite often fails when applied to existing 
> tables (for obvious reasons) SchemaUpdate elects not to apply this 
> constraint.  AFAIK, there isn't an argument you can pass to SchemaUpdate that 
> says "I know what I'm doing and have either disabled constraints (as you have 
> done) or have ensured that all data satisfies all of the constraints in the 
> mapping file so please apply everything since I'm a grownup and can take 
> whatever happens next." :)
>
> If you'd like an override behavior of SchemaUpdate that would permit you to 
> do this, then please open a JIRA issue for it and we can consider it.  
> "Strict Mode" for SchemaUpdate is an interesting idea probably worth at least 
> considering...
>
> Steve Bohlen
> [email protected]
> http://blog.unhandled-exceptions.com
> http://twitter.com/sbohlen
>
>
> On Mon, Jun 20, 2011 at 1:48 PM, Matteo Migliore <[email protected]> 
> wrote:
>>
>> The problem is that I need the update with the alter of each column to add 
>> with "not null" constraint
>> if the mapping specify this.
>>
>>
>> On Mon, Jun 20, 2011 at 6:48 PM, Ayende Rahien <[email protected]> wrote:
>>>
>>> 5. There is a null value there, what is going on now?
>>>
>>> On Mon, Jun 20, 2011 at 5:41 PM, Matteo Migliore 
>>> <[email protected]> wrote:
>>>>
>>>> Hi!
>>>>
>>>> I would use SchemaUpdate to launch migration scripts but is known that the 
>>>> null constraint is "turned off".
>>>>
>>>> How is possible to apply a "strict" version of the update script?
>>>> I've a mechanism to fill with valid data the not nullable columns so my 
>>>> steps should be:
>>>> 1. disable all DB constraints
>>>> 2. launch the create/alter scripts
>>>> 3. launch my "data filler"
>>>> 4. enable all DB constraints
>>>>
>>>> Thanks!
>>
>

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