construct_sql

# File activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb, line 72
        def construct_sql
          interpolate_sql_options!(@reflection.options, :finder_sql)

          if @reflection.options[:finder_sql]
            @finder_sql = @reflection.options[:finder_sql]
          else
            @finder_sql = "#{@owner.connection.quote_table_name @reflection.options[:join_table]}.#{@reflection.primary_key_name} = #{@owner.quoted_id} "
            @finder_sql << " AND (#{conditions})" if conditions
          end

          @join_sql = "INNER JOIN #{@owner.connection.quote_table_name @reflection.options[:join_table]} ON #{@reflection.quoted_table_name}.#{@reflection.klass.primary_key} = #{@owner.connection.quote_table_name @reflection.options[:join_table]}.#{@reflection.association_foreign_key}"
        end