Ok. I'll do that.

On 24 Jan., 09:50, Oskar Berggren <[email protected]> wrote:
> If you can't find anything that seems relevant and you believe it to
> be a bug, please file a new issue.
>
> It would be really helpful (i.e. make a fix come faster) if you could
> also create the smallest possible test case that expose the problem
> and attach it to the issue.
>
> /Oskar
>
> 2012/1/24 LOBOMINATOR <[email protected]>:
>
>
>
>
>
>
>
> > Do you happen to know where?
>
> > On 24 Jan., 08:38, Oskar Berggren <[email protected]> wrote:
> >> I think I remember seeing something like this reported in the issue
> >> tracker. (nhibernate.jira.com).
>
> >> /Oskar
>
> >> 2012/1/24 LOBOMINATOR <[email protected]>:
>
> >> > Hello Together,
>
> >> > In production we are using Sql Server 2008 Express R2. To enable
> >> > testing of our queries etc. we are using Sql Compact 4.0 in our
> >> > continuously running tests. We wrote some customization to support
> >> > DateTimeOffset for Sql Compact edition. But the rest is kept at its
> >> > defaults. This worked very nice until we introduced subqueries and
> >> > inheritance hierarchies. The following issue occurs:
>
> >> > Lets say we have
> >> > public class Person { public virtual Name { get; set; } }
> >> > public class Employee : Person { }
> >> > public class ExEmployee: Person { }
>
> >> > when we want to write a query which returns the count of employees and
> >> > the count of exemployees the compact server explodes when we write it
> >> > with futures or subqueries:
>
> >> >            Person person = null;
> >> >            PersonDTO personDTO = null;
>
> >> >            var employeeCount = session.QueryOver<Employee>()
> >> >                .Where(t => t.Company.Id == this.companyId)
> >> >                .Select(Projections.RowCount())
> >> >                .FutureValue<int>();
>
> >> >            var exEmployeeCount = session.QueryOver<ExEmployee>()
> >> >                .Where(t => t.Company.Id == this.companyId)
> >> >                .Select(Projections.RowCount())
> >> >                .FutureValue<int>();
>
> >> >            return session.QueryOver(() => orderAlias)
> >> >                .Where(o => o.Id == this.orderId)
> >> >                .Select(
>
> >> > Projections.Constant(employeeCount.Value).WithAlias(() =>
> >> > personDTO .NumberOfEmployees),
>
> >> > Projections.Constant(exEmployeeCount.Value).WithAlias(() => personDTO
> >> > NumberOfExEmployees),
> >> >                    ...)
> >> >                .TransformUsing(Transformers.AliasToBean<PersonDTO
> >> >>())
> >> >                .SingleOrDefault<PersonDTO >();
>
> >> > or
>
> >> > var employeeCount = QueryOver.Of<Employee>()
> >> >     .Where(w => w.Company.Id == this.companyId)
> >> >     .Select(Projections.RowCount()));
>
> >> > var exEmployeeCount = QueryOver.Of<ExEmployee>()
> >> >     .Where(w => w.Company.Id == this.companyId)
> >> >     .Select(Projections.RowCount()));
>
> >> > return session.QueryOver(() => person)
> >> >    .Select(
> >> > Projections.SubQuery(employeeCount ).WithAlias(() =>
> >> > personDTO.NumberOfEmployees),
> >> > Projections.SubQuery(exEmployeeCount ).WithAlias(() =>
> >> > personDTO.NumberOfExEmployees))
> >> > TransformUsing(Transformers.AliasToBean<PersonDTO>())
> >> > Future<PersonDTO>();
>
> >> > We get a SqlCe parse exception with either cannot create multicriteria
> >> > (in case of futures) or SqlCe exception with only parse exception.
>
> >> > The only solution we have so far is to write three queries without
> >> > futures or subqueries. Any suggestions how could overcome this issue
> >> > without moving away from SqlCompact to SqlServer in our tests?
>
> >> > Daniel
>
> >> > --
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>
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