construct_tables

# File activerecord/lib/active_record/associations/join_helper.rb, line 12
      def construct_tables
        tables = []
        chain.each do |reflection|
          tables << alias_tracker.aliased_table_for(
            table_name_for(reflection),
            table_alias_for(reflection, reflection != self.reflection)
          )

          if reflection.source_macro == :has_and_belongs_to_many
            tables << alias_tracker.aliased_table_for(
              (reflection.source_reflection || reflection).options[:join_table],
              table_alias_for(reflection, true)
            )
          end
        end
        tables
      end