But of course!

 

Sincere apologies by the way – "CriteriaByLongAlias" solves the problem.

 

Users list first in future.

 

Regards

 

Chris

 

From: nhibernate-development-bounces@lists.sourceforge.net [mailto:nhibernate-development-bounces@lists.sourceforge.net] On Behalf Of Will Shaver
Sent: 03 July 2008 18:01

To: the NHibernate development list
Subject: Re: [NHibernate-development] Strange bug when querying acirculargraph with several joins

 

We only ask that you give back by answering other people's questions...

On Thu, Jul 3, 2008 at 9:51 AM, Chris Smith <Chris.Smith@bluewire-technologies.com> wrote:

Thanks for that Will.  We're using C# 3.0 and .NET 3.5.  I'm running the breaking test against the current trunk of NHibernate.

 

I'll try this out and then take the problem to the users list.

 

Thanks so much to those who have replied to this post.  I have been very pleasantly surprised!

 

Chris

 

From: nhibernate-development-bounces@lists.sourceforge.net [mailto:nhibernate-development-bounces@lists.sourceforge.net] On Behalf Of Will Shaver
Sent: 03 July 2008 16:44
To: the NHibernate development list
Subject: Re: [NHibernate-development] Strange bug when querying a circulargraph with several joins

 

What version of c# and nh are you using?

 

Here's an extension method that I use for these type of of problems

public static ICriteria CriteriaByLongAlias(this ICriteria criteria, string field)
{
 ICriteria byAlias = criteria.GetCriteriaByAlias(criteria.Alias + "_" + field);
 if(byAlias == null)
   byAlias = criteria.CreateCriteria(field, criteria.Alias + "_" + field);
 return byAlias;
}

Use this as follows:

ICriteria criteria = NHsession.CreateCriteria(typeof(Role));
ICriteria primaryLocationCriteria = criteria.CriteriaByLongAlias("PrimaryLocation");
ICriteria addressCriteria = primaryLocationCriteria.CriteriaByLongAlias("Address");
addressCriteria.Add(Expression.Like("Postcode", "BS%"));

 

If you review CriteriaImpl.cs you will note that while CreateAlias returns the original criteria, CreateCritieria returns the subcriteria. I've found it best to ignore CreateAlias.

 

On Thu, Jul 3, 2008 at 7:03 AM, Fabio Maulo <fabiomaulo@gmail.com> wrote:

Hi Chris,
You can start from one of the users forums http://groups.google.com.ar/group/nhusers

Our issue tracker is (only for bugs, improvement etc.) : http://jira.nhibernate.org/secure/Dashboard.jspa

Thanks
--
Fabio Maulo
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