parameters: (self)
docstring: Returns the column types.
  
          Returns
          -------
          out : list[type]
              Column types of the SFrame.
docstring_summary: Returns the column types.
docstring_tokens: Returns the column types .
function: def column_types(self):
          """
          Returns the column types.
  
          Returns
          -------
          out : list[type]
              Column types of the SFrame.
          """
          if self.__type__ == VERTEX_GFRAME:
              return self.__graph__.__proxy__.get_vertex_field_types()
          elif self.__type__ == EDGE_GFRAME:
              return self.__graph__.__proxy__.get_edge_field_types()
function_tokens: def column_types ( self ) : if self . __type__ == VERTEX_GFRAME : return self . __graph__ . __proxy__ . get_vertex_field_types ( ) elif self . __type__ == EDGE_GFRAME : return self . __graph__ . __proxy__ . get_edge_field_types ( )