重构现代化 FastAPI 后端项目框架

resources/sql/create/24.coordinates.sql

@@ -0,0 +1,11 @@
+-- [COORDINATES]
+
+create table coordinates
+(
+  node varchar(32) primary key references _node(id)
+, coord geometry
+);
+
+-- delete when delete node
+
+create index coordinates_gist on coordinates using gist(coord);