class ActiveRecord::Associations::HasManyThroughAssociation

def construct_sql
  case
    when @reflection.options[:finder_sql]
      @finder_sql = interpolate_and_sanitize_sql(@reflection.options[:finder_sql])
      @finder_sql = "#{@reflection.quoted_table_name}.#{@reflection.primary_key_name} = #{owner_quoted_id}"
      @finder_sql << " AND (#{conditions})" if conditions
    else
      @finder_sql = construct_conditions
  end
  construct_counter_sql
end