Stored procedures allow you to easilly shape data the way you need - very
handy for reporting apps - I find the whole ORM thing comes crumbling a bit
in this scenario - how does everyone else deal with reporting?

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On Wed, Apr 8, 2009 at 2:05 PM, Mauricio Scheffer <
[email protected]> wrote:

>
> One of the main features of NHibernate and other ORMs is that they let
> you work against any RDBMS transparently. If you change the database
> engine, all you have to do is change a single line of configuration.
> This feature is also very convenient for testing (see
>
> http://ayende.com/Blog/archive/2006/10/14/UnitTestingWithNHibernateActiveRecord.aspx
> ). If you use stored procedures, you lose that ability.
>
> If you call your procedures directly from a IDbConnection, you lose
> NHibernate's caching.
>
> Also take a look at
> http://ayende.com/Blog/archive/2006/10/04/ShouldYouUseNHibernateWithStoredProcedure.aspx
>
> On Apr 7, 3:43 pm, novnov <[email protected]> wrote:
> > One thing you mentioned was that procedures would make it much harder
> > to change databases. Can you shed some more light on that? Obviously
> > sprocs vary in how the work across dbs. Assuming that we're willing to
> > maintain two sets of sprocs, oracle and postgres, is there any reason
> > that an ORM couldn't use the procs from either?
> >
> > On Apr 5, 6:33 pm, Mauricio Scheffer <[email protected]>
> > wrote:
> >
> >
> >
> > > Well, I don't know if this is the right place to ask such a
> > > question... I mean, this is a Castle / ActiveRecord list so many of us
> > > are happily using ActiveRecord, therefore the answers will probably be
> > > biased.
> >
> > > Stackoverflow has a lot of questions about ORM (
> http://stackoverflow.com/questions/tagged/orm), many are concrete
> > > about support of stored procedures:
> >
> > >
> http://stackoverflow.com/questions/687762/which-orm-is-the-best-when-....
> ..
> >
> > > and recommendations:
> >
> > >http://stackoverflow.com/questions/660743/what-orm-would-you-recommend
> >
> > > and opinions on ActiveRecord:
> >
> > >http://stackoverflow.com/questions/516238/whats-your-opinion-of-castl.
> ..
> >
> > > That said, I've been using NHibernate and ActiveRecord for years and
> > > they've never let me down. NHibernate is not trivial but it's very
> > > flexible.
> >
> > > About sproc support, it really depends on what level of integration
> > > you need. I don't know about postgresql specifically but you can
> > > always get a raw IDbConnection from ActiveRecord and do anything you
> > > want with it. But if you really need to deploy to different databases,
> > > sprocs are obviously not the way to go.
> >
> > > And yes, ActiveRecord works just fine in VB.NET. Here's some sample
> > > code:http://forum.castleproject.org/viewtopic.php?t=5102
> >
> > > I recommend that you try NHibernate, ActiveRecord, Subsonic, etc and
> > > judge for yourself.
> >
> > > On Apr 5, 4:31 pm, novnov <[email protected]> wrote:
> >
> > > > This is really a scattershot question because I have little exposure
> > > > to ORMs and only vaguely formulated requirements.
> >
> > > > Some background...I like postgresql a lot and also use sql server and
> > > > oracle. I/we are usually responsible for all of the parts of an app,
> > > > from the rdbms to the user interface. We do a lot on Windows with
> .net
> > > > (visual basic) but are getting exposure to flex on the interface side
> > > > of things. So far we've been able to keep clear of ORMs and code
> > > > generators.
> >
> > > > A project is coming up which will need be be deployed against both
> > > > postgresql and oracle (different deploys). This may be forcing us to
> > > > use an ORM so that the interface is more independent of the rdbms.
> >
> > > > Is NHibernate and maybe Castle Project Active Record a good solution
> > > > for our needs? The ORM would not have to be open source, ie we could
> > > > buy something. We want it to be as simple to pick up and use as
> > > > possible. We don't want to lose the ability to execute procs in
> > > > postgres and I'm worried that nhibernate has that limitation, as the
> > > > front page states that stored procedures are supported for sql
> server.
> >
> > > > Finally, is Active Record ok with visual basic? Most if not all of
> the
> > > > examples are in C#.- Hide quoted text -
> >
> > > - Show quoted text -
> >
>
>


-- 
Cheers,

w://

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