public void Where(MemberExpression member, SparqlVariable v)
{
if (CoalescedVariables.ContainsKey(v))
{
// If the member may be unbound, we create an optional binding.
BuildMemberAccessOptional(member);
}
else
{
// Otherwise we create a normal binding.
BuildMemberAccess(member);
}
}
public void BindSelectVariables()
{
IsBound = true;
if (SelectBuilder != null)
{
bool hasAggregate = SelectedVariables.Any(v => v.IsAggregate);
foreach (SparqlVariable v in SelectedVariables)
{
if (CoalescedVariables.ContainsKey(v))
{
SparqlExpression defaultValue = CoalescedVariables[v];
SelectBuilder.And(e => e.Coalesce(e.Variable(v.Name), defaultValue)).As(v.Name + '_');
}
else
{
SelectBuilder.And(v);
}
if (hasAggregate && !v.IsAggregate)
{
#if !NET35
SelectBuilder.GroupBy(v.Name);
#else
QueryBuilder.GroupBy(v.Name);
#endif
}
}
if (hasAggregate && !IsRoot)
{
#if !NET35
SelectBuilder.Distinct();
#else
QueryBuilder.Distinct();
#endif
}
}
}
