/// <summary>
/// Get a MetaType that represents the dynamic type of the given node.
/// </summary>
internal static MetaType GetSourceMetaType(SqlNode node, MetaModel model) {
Visitor v = new Visitor();
v.Visit(node);
Type type = v.sourceType;
type = TypeSystem.GetNonNullableType(type); // Emulate CLR's behavior: strip nullability from type.
return model.GetMetaType(type);
}