Execution example::

  table_create Geo TABLE_HASH_KEY ShortText
  # [[0,0.0,0.0],true]
  column_create Geo distance COLUMN_SCALAR Int32
  # [[0,0.0,0.0],true]
  load --table Geo
  [
  {"_key": "the record for geo_distance() result"}
  ]
  # [[0,0.0,0.0],1]
  
