On-delete="cascade"

--
Fabio Maulo


El 26/08/2010, a las 17:22, MattO <[email protected]> escribió:

> How do you overcome the issue with nHibernate where collections that
> are mapped with inverse="true" will be issued a delete statement for
> every object in the collection?
>
> Right now this has added about 50 seconds to a single delete operation
> which normally only took less than a second to perform in straight
> ADO .NET by performing a delete based on the primary key of the
> parent.
>
> According to the nHibernate reference manual section 17.5.4 (one shot
> delete), by discarding (dereferencing) the original collection and
> returning a newly instantiated collection with all the current
> elements.
>
> Can someone please tell me what they mean with a code sample if this
> also applys to inverse="true" collections, or is there some other
> option other then manually handling deletes for these types of
> collections yourself?
>
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