complete

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 217
          def complete(_)
            ActiveRecord::Base.connection_handler.each_connection_pool do |pool|
              if (connection = pool.active_connection?)
                transaction = connection.current_transaction
                if transaction.closed? || !transaction.joinable?
                  pool.release_connection
                end
              end
            end
          end