WAYPOINT
ID	NAME	LAT	LNG 	HARBOR
1	name1	1	1	TRUE
2	(null)	2	2	FALSE
3	(null)	3	3	FALSE
4	name2	4	4	TRUE

WAYPOINROUTE
WAYPOINT1_ID	WAYPOINT2_ID
1		2
2		3
3		4
3		12
2		18
18		1