add demo timestamp tables

Author: beasteers

demo/initdb/04-views.sql

@@ -1,14 +1,55 @@
 CREATE TABLE cities (
-  id serial PRIMARY KEY,
-  name text,
+  name text PRIMARY KEY,
   geom geometry(Point, 4326)
 );
 
+CREATE TABLE trips (
+  id serial PRIMARY KEY,
+  city text REFERENCES cities(name),
+  time timestamptz,
+  start_time timestamptz,
+  end_time timestamptz
+);
+
+CREATE TABLE receipts (
+  id serial PRIMARY KEY,
+  trip_id int REFERENCES trips(id),
+  time timestamptz,
+  amount numeric
+);
+
+
 INSERT INTO cities (name, geom) VALUES
   ('Paris', ST_SetSRID(ST_MakePoint(2.3522, 48.8566), 4326)),
+  ('London', ST_SetSRID(ST_MakePoint(-0.1276, 51.5074), 4326)),
+  ('Tokyo', ST_SetSRID(ST_MakePoint(139.6917, 35.6895), 4326)),
+  ('Sydney', ST_SetSRID(ST_MakePoint(151.2093, -33.8688), 4326)),
   ('NYC',   ST_SetSRID(ST_MakePoint(-74.0060, 40.7128), 4326));
 
+
+
+INSERT INTO trips (city, time, start_time, end_time) VALUES
+  ('Paris', '2025-01-01 12:00:00', '2024-01-01 12:00:00', '2025-01-01 12:00:00'),
+  ('London', '2025-02-01 12:00:00', '2024-02-01 12:00:00', '2025-02-01 12:00:00'),
+  ('Tokyo', '2025-03-01 12:00:00', '2024-03-01 12:00:00', '2025-03-01 12:00:00'),
+  ('Sydney', '2025-04-01 12:00:00', '2024-04-01 12:00:00', '2025-04-01 12:00:00'),
+  ('NYC',   '2025-05-01 12:00:00', '2024-05-01 12:00:00', '2025-05-01 12:00:00');
+
+
+INSERT INTO receipts (trip_id, time, amount) VALUES
+  (1, '2024-06-01 12:00:00', 100.00),
+  (1, '2024-07-01 12:00:00', 150.00),
+  (2, '2024-06-15 12:00:00', 200.00),
+  (3, '2024-08-01 12:00:00', 250.00),
+  (4, '2024-09-01 12:00:00', 300.00),
+  (5, '2024-10-01 12:00:00', 350.00);
+
 -- View with geometry and featureID column (no PK)
 CREATE VIEW cities_view AS
-  SELECT id AS id, name, geom FROM cities;
+  SELECT * FROM cities;
+
+CREATE VIEW trips_view AS
+  SELECT trips.*, cities.geom FROM trips LEFT JOIN cities ON trips.city = cities.name;
 
+CREATE VIEW receipts_view AS
+  SELECT receipts.*, cities.geom FROM receipts LEFT JOIN trips ON receipts.trip_id = trips.id LEFT JOIN cities ON trips.city = cities.name;