Execution example::

  table_create Replies2 TABLE_HASH_KEY UInt32
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Replies2 content COLUMN_SCALAR ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  table_create Comments2 TABLE_HASH_KEY UInt32
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Comments2 content COLUMN_SCALAR ShortText
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Comments2 comment COLUMN_SCALAR Replies2
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  table_create Articles2 TABLE_NO_KEY
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Articles2 content COLUMN_SCALAR Text
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Articles2 comment COLUMN_SCALAR Comments2
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  table_create Lexicon2 TABLE_PAT_KEY|KEY_NORMALIZE ShortText --default_tokenizer TokenBigram
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Lexicon2 articles_content COLUMN_INDEX|WITH_POSITION Articles2 content
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Lexicon2 comments_content COLUMN_INDEX|WITH_POSITION Comments2 content
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Lexicon2 replies_content COLUMN_INDEX|WITH_POSITION Replies2 content
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Comments2 article COLUMN_INDEX Articles2 comment
  # [[0, 1337566253.89858, 0.000355720520019531], true]
  column_create Replies2 reply_to COLUMN_INDEX Comments2 comment
  # [[0, 1337566253.89858, 0.000355720520019531], true]
