[nhibernate-issues] [NHJIRA] Created: (NH-2624) MultiCriteria does not work with criteria created using JoinQueryOver

[xelibrion (JIRA) <nh...@gm...>]

MultiCriteria does not work with criteria created using JoinQueryOver
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                 Key: NH-2624
                 URL: http://216.121.112.228/browse/NH-2624
             Project:  NHibernate
          Issue Type: Bug
          Components: Core
    Affects Versions: 3.1.0
            Reporter: xelibrion
            Priority: Critical


I've got exception 

System.InvalidCastException: Unable to cast object of type 'Subcriteria' to type 'NHibernate.Impl.CriteriaImpl'.
   at NHibernate.Impl.MultiCriteriaImpl.CreateCriteriaLoaders() in d:\CSharp\NH\NH\nhibernate\src\NHibernate\Impl\MultiCriteriaImpl.cs:line 287
   at NHibernate.Impl.MultiCriteriaImpl.List() in d:\CSharp\NH\NH\nhibernate\src\NHibernate\Impl\MultiCriteriaImpl.cs:line 73

in code

var queryOver = Session.QueryOver<Post>()
				.Fetch(x => x.Author).Eager
				.Fetch(x => x.Blog).Eager
				.JoinQueryOver(x => x.SearchRequests)
				.Where(x => x.Id == context.SearchRequestId)
				.TransformUsing(Transformers.DistinctRootEntity)
                                .Skip(context.PageIndex*pageSize)
				.Take(pageSize);

Session.CreateMultiCriteria()
				.Add(queryOver.UnderlyingCriteria)
				.Add(queryOver.ToRowCountQuery().UnderlyingCriteria)
				.List();

I've found workaround using JoinAlias

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