clear_reloadable_connections!

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 137
      def clear_reloadable_connections!
        @reserved_connections.each do |name, conn|
          checkin conn
        end
        @reserved_connections = {}
        @connections.each do |conn|
          conn.disconnect! if conn.requires_reloading?
        end
        @connections = []
      end