Execution example::

  select --table Entries --output_columns title --match_columns Terms.entries_whole.title --query "Groonga"
  # [
  #   [
  #     0, 
  #     1337566253.89858, 
  #     0.000355720520019531
  #   ], 
  #   [
  #     [
  #       [
  #         3
  #       ], 
  #       [
  #         [
  #           "title", 
  #           "ShortText"
  #         ]
  #       ], 
  #       [
  #         "Hello Groonga."
  #       ], 
  #       [
  #         "Hello Mroonga, bye Groonga."
  #       ], 
  #       [
  #         "Say, Hello Groonga!"
  #       ]
  #     ]
  #   ]
  # ]
