Thanks -- added test case and applied these changes with modifications in
r662.
On Fri, Sep 26, 2008 at 11:23 AM, Duarte Nunes <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> In using Linq to Nhibernate I bumped into a bug (or feature): the SQL
> resulting from the statement categories.Select(category => new
> { category.Name, category.Items.Count }) would produce a query (select
> this_.Name, count(items1_.ID) from ...) without the necessary "group
> by name" statement.
>
> I made a quick and dirty fix for this (in the SelectArgumentsVisitor
> class):
>
> protected override NewExpression VisitNew(NewExpression expr)
> {
> NewExpression newExpr = base.VisitNew(expr);
> _transformer = new
> TypeSafeConstructorMemberInitResultTransformer(expr);
>
> var aggregators = expr.Arguments.Where(arg => arg is
> MethodCallExpression &&
>
> SupportsMethod(((MethodCallExpression)arg).Method.Name));
> if (aggregators.Any())
> {
> foreach (var exp in expr.Arguments.Except(aggregators))
> {
> string propertyName =
> MemberNameVisitor.GetMemberName(_rootCriteria, exp);
>
> _projections.Add(NHProjections.GroupProperty(propertyName));
>
> }
> }
>
> return newExpr;
> }
>
> Regards,
> Duarte
>
> >
>
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