create edge type if not exists collide "collide" ;

create table if not exists SScrew (
  sise 		 int ,
  screwlevel float 
) ;

create table if not exists WWheel ( 
		color				varchar	,
		sise				int	,
		screw       		SScrew[4] ,
		
		index( color,sise) 
) ;

create table if not exists CCar ( 
		color				varchar	,
		sise				int		,
		wheel				WWheel[4..4]	,
		
		index( color,sise) 
) ;

create table if not exists CCamry extends CCar ( 
		capacity		list<double> ,
		lightsize		list<int>	 ,
		speed			int			 ,
		
		index( capacity,lightsize,speed) 
) ;

alter table WWheel add column wheel4logs	block {
						"type"  : 	"logs"
					   }
;

alter table WWheel add column rotations block {
				"params": [
						["count", "int", "", "转数"]
				],
				"type": "tsdb"
		}	"转数";