Execution example::

  table_create Logs TABLE_NO_KEY
  # [[0,1337566253.89858,0.000355720520019531],true]
  column_create Logs message COLUMN_SCALAR Text
  # [[0,1337566253.89858,0.000355720520019531],true]
  load --table Logs
  [
  {"message": "host1:[error]: No memory"},
  {"message": "host1:[warning]: Remained disk space is less than 30%"},
  {"message": "host1:[error]: Disk full"},
  {"message": "host2:[error]: No memory"},
  {"message": "host2:[info]: Shutdown"}
  ]
  # [[0,1337566253.89858,0.000355720520019531],5]
