should be it

external/duckdb/benchmark/trainbenchmark/schema.sql

@@ -0,0 +1,73 @@
+CREATE TABLE Route (
+  id int NOT NULL,
+  active int,
+  entry int,
+  exit int,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE Region (
+  id int NOT NULL,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE Segment (
+  id int NOT NULL,
+  length int NOT NULL DEFAULT 1,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE Sensor (
+  id int NOT NULL,
+  region int NOT NULL, -- inverse of the sensors edge
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE Semaphore (
+  id int NOT NULL,
+  segment int NOT NULL, -- inverse of the semaphores edge
+  signal int NOT NULL,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE Switch (
+  id int NOT NULL,
+  currentPosition int NOT NULL,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE SwitchPosition (
+  id int NOT NULL,
+  route int, -- inverse of the follows edge
+  target int,
+  position int NOT NULL,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE TrackElement (
+  id int NOT NULL,
+  region int NOT NULL, -- inverse of the elements edge
+  PRIMARY KEY (id)
+);
+
+--
+-- Edges
+--
+
+CREATE TABLE connectsTo (
+  TrackElement1_id int NOT NULL,
+  TrackElement2_id int NOT NULL,
+  PRIMARY KEY (TrackElement1_id, TrackElement2_id)
+);
+
+CREATE TABLE monitoredBy (
+  TrackElement_id int NOT NULL,
+  Sensor_id int NOT NULL,
+  PRIMARY KEY (TrackElement_id, Sensor_id)
+);
+
+CREATE TABLE requires (
+  Route_id int NOT NULL,
+  Sensor_id int NOT NULL,
+  PRIMARY KEY (Route_id, Sensor_id)
+);