Execution example::

  table_create Comment TABLE_PAT_KEY UInt32
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Comment name COLUMN_SCALAR ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Comment content COLUMN_SCALAR ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  table_create Blog TABLE_PAT_KEY ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Blog title COLUMN_SCALAR ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Blog content COLUMN_SCALAR ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Blog comments COLUMN_VECTOR Comment
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Comment blog_comment_index COLUMN_INDEX Blog comments
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  table_create Lexicon TABLE_PAT_KEY ShortText --default_tokenizer TokenBigram
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Lexicon comment_content COLUMN_INDEX|WITH_POSITION Comment content
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Lexicon comment_name COLUMN_INDEX|WITH_POSITION Comment name
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Lexicon blog_content COLUMN_INDEX|WITH_POSITION Blog content
  # [[0, 1337566253.89858, 0.000355720520019531], true]
