Route points always marked by coordinates, never by place.

sql/V2toV3.sql

@@ -13,10 +13,8 @@ CREATE TABLE route_point (
   id       INT      AUTO_INCREMENT        PRIMARY KEY,
   route    INT      NOT NULL              DEFAULT 0,
   part     INT      NOT NULL,
-  place_o  INT      REFERENCES place.id,
   lat_o    DOUBLE,
   lon_o    DOUBLE,
-  place_d  INT      REFERENCES place.id,
   lat_d    DOUBLE,
   lon_d    DOUBLE,
   mins     INT,

sql/setup.sql

@@ -112,10 +112,8 @@ CREATE TABLE route_point (
   id       INT      AUTO_INCREMENT        PRIMARY KEY,
   route    INT      NOT NULL              DEFAULT 0,
   part     INT      NOT NULL,
-  place_o  INT      REFERENCES place.id,
   lat_o    DOUBLE,
   lon_o    DOUBLE,
-  place_d  INT      REFERENCES place.id,
   lat_d    DOUBLE,
   lon_d    DOUBLE,
   mins     INT,