new

# File activerecord/lib/active_record/associations.rb, line 1405
            def initialize(reflection, join_dependency, parent = nil)
              reflection.check_validity!
              if reflection.options[:polymorphic]
                raise EagerLoadPolymorphicError.new(reflection)
              end

              super(reflection.klass)
              @parent             = parent
              @reflection         = reflection
              @aliased_prefix     = "t#{ join_dependency.joins.size }"
              @aliased_table_name = table_name # start with the table name
              @parent_table_name  = parent.active_record.table_name

              if !parent.table_joins.blank? && parent.table_joins.to_s.downcase =~ %r{join(\s+\w+)?\s+#{aliased_table_name.downcase}\son}
                join_dependency.table_aliases[aliased_table_name] += 1
              end
              
              unless join_dependency.table_aliases[aliased_table_name].zero?
                # if the table name has been used, then use an alias
                @aliased_table_name = active_record.connection.table_alias_for "#{pluralize(reflection.name)}_#{parent_table_name}"
                table_index = join_dependency.table_aliases[aliased_table_name]
                @aliased_table_name = @aliased_table_name[0..active_record.connection.table_alias_length-3] + "_#{table_index+1}" if table_index > 0
              end
              join_dependency.table_aliases[aliased_table_name] += 1
              
              if reflection.macro == :has_and_belongs_to_many || (reflection.macro == :has_many && reflection.options[:through])
                @aliased_join_table_name = reflection.macro == :has_and_belongs_to_many ? reflection.options[:join_table] : reflection.through_reflection.klass.table_name
                unless join_dependency.table_aliases[aliased_join_table_name].zero?
                  @aliased_join_table_name = active_record.connection.table_alias_for "#{pluralize(reflection.name)}_#{parent_table_name}_join"
                  table_index = join_dependency.table_aliases[aliased_join_table_name]
                  @aliased_join_table_name = @aliased_join_table_name[0..active_record.connection.table_alias_length-3] + "_#{table_index+1}" if table_index > 0
                end
                join_dependency.table_aliases[aliased_join_table_name] += 1
              end
            end