message: [skip ci] do not partition when num=1
diff: @@ -40,8 +40,10 @@ if __name__ == "__main__":
  args = docopt(__doc__, version="Naval Fate 2.0")
  conn = os.environ[args["--conn"]]
  table = os.environ["TPCH_TABLE"]
  + part_num = int(args["<num>"])
  with Timer() as timer:
  + if part_num > 1:
  df = cx.read_sql(
  conn,
  f"""SELECT * FROM {table}""",
  @@ -50,6 +52,13 @@ if __name__ == "__main__":
  protocol=args["--protocol"],
  return_type=args["--ret"],
  )
  + else:
  + df = cx.read_sql(
  + conn,
  + f"""SELECT * FROM {table}""",
  + protocol=args["--protocol"],
  + return_type=args["--ret"],
  + )
  print("time in total:", timer.elapsed)
  print(type(df), len(df))
  