No, the posts are not a child collection of the topic to avoid
performance issues. I don't want to load all posts of all topic just
to get the post count.


On Oct 12, 3:14 pm, Hudson Akridge <hudson.akri...@gmail.com> wrote:
> Are posts a child collection on your object being mapped? I ask, because
> there might be an alternative to getting you that number. If you map a
> Posts.Count() to a property, then map that with a read only accessor, it
> should give you a similar solution.
>
>
>
> On Mon, Oct 12, 2009 at 6:41 AM, Paul Batum <paul.ba...@gmail.com> wrote:
> > Can you post your domain object and the mapping override for it?
> > I figure something else has to be screwing up the result of the formula.
>
> > On Mon, Oct 12, 2009 at 4:06 PM, Schlaefisch 
> > <schlaefi...@googlemail.com>wrote:
>
> >> The exact query results in a syntax error, when I replace "this_.Id =
> >> @p0;@p0 = 1" with "this_.Id = 1" the result is correct.
>
> >> But even when I use "SELECT 5" as formula, the PostCount is still 0.
>
> >> On Oct 6, 1:16 pm, Paul Batum <paul.ba...@gmail.com> wrote:
> >> > Off the top of my head, I can't see anything wrong with your mapping.
> >> I've
> >> > used formula columns with automapping for similar purposes without
> >> problems.
> >> > Have you executed that generated query against the db and confirmed that
> >> it
> >> > returned the correct results?
>
> >> > On Fri, Oct 2, 2009 at 9:06 AM, Schlaefisch <schlaefi...@googlemail.com
> >> >wrote:
>
> >> > > Update: The Console Output.
>
> >> > > Manual SQL:
> >> > > NHibernate: (SELECT COUNT(*) FROM forumPosts p where p.TopicID = 1)
> >> > > Mapping SQL:
> >> > > NHibernate: SELECT top 2 this_.Id as Id0_0_, this_.Title as Title0_0_,
> >> > > this_.Created as Created0_0_, this_.DisplayPriority as DisplayP4_0_0_,
> >> > > this_.ForumID as ForumID0_0_, (SELECT COUNT(*) FROM forumPosts p where
> >> > > p.TopicID = this_.Id) as formula0_0_ FROM forumTopics this_ WHERE
> >> > > this_.Id = @p0;@p0 = 1
>
> --
> - Hudsonhttp://www.bestguesstheory.comhttp://twitter.com/HudsonAkridge
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"Fluent NHibernate" group.
To post to this group, send email to fluent-nhibernate@googlegroups.com
To unsubscribe from this group, send email to 
fluent-nhibernate+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/fluent-nhibernate?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to