I don't think there is anything complex about the mapping - it is just
a nullable decimal property mapped to a decimal column in the
database:
public class MyEntity
{
public decimal? NullableDecimalProperty { get; set; }
}
Mapped using FluentNHibernate:
public sealed class MyEntityClassMap : ClassMap<MyEntity>
{
public MyEntityClassMap()
{
... etc ...
Map(x => x.NullableDecimalProperty)
.Nullable();
}
}
The same idea for the first example, except it was a Money struct and
I have a customer UserType to handle the Money struct.
On Nov 30, 12:32 pm, Fabio Maulo <[email protected]> wrote:
> Without mappings and classes we can't say where is the bug.
> Too much mysteries... starting from NullableDecimalProperty
>
> 2009/11/29 acl123 <[email protected]>
>
>
>
> > Similar bug, this time without the custom user type:
>
> > Session.CreateCriteria<MyEntity>()
> > .SetProjection(LambdaProjection.Min<MyEntity>(x =>
> > x.NullableDecimalProperty))
> > .FutureValue<decimal?>();
>
> > Results in the exception:
>
> > System.ArgumentException: The value "" is not of type
> > "System.Nullable`1[System.Decimal]" and cannot be used in this generic
> > collection.
> > Parameter name: value
>
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> --
> Fabio Maulo
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