Add general region table

create_template.py

@@ -33,13 +33,13 @@ sql_create = [
     "script/sql/create/29.scada_device.sql",
     "script/sql/create/30.scada_device_data.sql",
     "script/sql/create/31.scada_element.sql",
-    "script/sql/create/32.virtual_district.sql",
+    "script/sql/create/32.region.sql",
     "script/sql/create/operation.sql"
 ]
 
 sql_drop = [
     "script/sql/drop/operation.sql",
-    "script/sql/drop/32.virtual_district.sql",
+    "script/sql/drop/32.region.sql",
     "script/sql/drop/31.scada_element.sql",
     "script/sql/drop/30.scada_device_data.sql",
     "script/sql/drop/29.scada_device.sql",

script/sql/create/32.region.sql

@@ -0,0 +1,7 @@
+create table region
+(
+  id text primary key
+, boundary geometry not null unique
+);
+
+create index region_gist on region using gist(boundary);

script/sql/create/32.virtual_district.sql

@@ -1,9 +0,0 @@
-create table virtual_district
-(
-  id text primary key
-, center varchar(32) references _node(id) not null unique
-, boundary geometry unique
-, nodes varchar(32)[]
-);
-
-create index virtual_district_gist on virtual_district using gist(boundary);

script/sql/drop/32.region.sql

@@ -0,0 +1,3 @@
+drop index if exists region_gist;
+
+drop table if exists region;

script/sql/drop/32.virtual_district.sql

@@ -1,3 +0,0 @@
-drop index if exists virtual_district_gist;
-
-drop table if exists virtual_district;