push

migration.sql

@@ -24,3 +24,24 @@ CREATE TABLE IF NOT EXISTS "planned_event" (
 	"created_at" text NOT NULL DEFAULT CURRENT_TIMESTAMP,
 	FOREIGN KEY(trip_details_id) REFERENCES trip_details(id) ON DELETE CASCADE
 );
+
+CREATE TABLE IF NOT EXISTS "trip" (
+	"id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
+	"cox_id" INTEGER NOT NULL,
+	"trip_details_id" INTEGER,
+	"planned_event_id" INTEGER,
+	"created_at" text NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	FOREIGN KEY(cox_id) REFERENCES user(id),
+	FOREIGN KEY(trip_details_id) REFERENCES trip_details(id) ON DELETE CASCADE,
+	FOREIGN KEY(planned_event_id) REFERENCES planned_event(id) ON DELETE CASCADE,
+	CONSTRAINT unq UNIQUE (cox_id, planned_event_id) -- allow cox to participate only once for each planned event
+);
+
+CREATE TABLE IF NOT EXISTS "user_trip" (
+	"user_id" INTEGER NOT NULL,
+	"trip_details_id" INTEGER NOT NULL,
+	"created_at" text NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	FOREIGN KEY(user_id) REFERENCES user(id),
+	FOREIGN KEY(trip_details_id) REFERENCES trip_details(id),
+	CONSTRAINT unq UNIQUE (user_id, trip_details_id) -- allow user to participate only once for each trip
+);