Homepage Redesign

archive/platform-services/vehicles/sql/schema/001_schema.sql

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+-- Vehicles Platform Service Schema (baseline)
+CREATE SCHEMA IF NOT EXISTS vehicles;
+
+-- Makes
+CREATE TABLE IF NOT EXISTS vehicles.make (
+  id BIGSERIAL PRIMARY KEY,
+  name TEXT NOT NULL
+);
+
+-- Models
+CREATE TABLE IF NOT EXISTS vehicles.model (
+  id BIGSERIAL PRIMARY KEY,
+  make_id BIGINT NOT NULL REFERENCES vehicles.make(id) ON DELETE RESTRICT,
+  name TEXT NOT NULL
+);
+
+-- Model availability by year
+CREATE TABLE IF NOT EXISTS vehicles.model_year (
+  id BIGSERIAL PRIMARY KEY,
+  model_id BIGINT NOT NULL REFERENCES vehicles.model(id) ON DELETE RESTRICT,
+  year INTEGER NOT NULL CHECK (year BETWEEN 1950 AND 2100)
+);
+
+-- Trims (year-specific)
+CREATE TABLE IF NOT EXISTS vehicles.trim (
+  id BIGSERIAL PRIMARY KEY,
+  model_year_id BIGINT NOT NULL REFERENCES vehicles.model_year(id) ON DELETE RESTRICT,
+  name TEXT NOT NULL
+);
+
+-- Engines (canonical)
+CREATE TABLE IF NOT EXISTS vehicles.engine (
+  id BIGSERIAL PRIMARY KEY,
+  name TEXT NOT NULL,
+  code TEXT NULL,
+  displacement_l NUMERIC(3,1) NULL,
+  cylinders SMALLINT NULL,
+  fuel_type TEXT NULL,
+  aspiration TEXT NULL
+);
+
+-- Trim to Engine mapping (many-to-many)
+CREATE TABLE IF NOT EXISTS vehicles.trim_engine (
+  trim_id BIGINT NOT NULL REFERENCES vehicles.trim(id) ON DELETE RESTRICT,
+  engine_id BIGINT NOT NULL REFERENCES vehicles.engine(id) ON DELETE RESTRICT,
+  PRIMARY KEY (trim_id, engine_id)
+);
+
+-- Optional: Transmissions (reserved for future)
+CREATE TABLE IF NOT EXISTS vehicles.transmission (
+  id BIGSERIAL PRIMARY KEY,
+  name TEXT NOT NULL,
+  type TEXT NULL,
+  gears SMALLINT NULL
+);
+
+CREATE TABLE IF NOT EXISTS vehicles.trim_transmission (
+  trim_id BIGINT NOT NULL REFERENCES vehicles.trim(id) ON DELETE RESTRICT,
+  transmission_id BIGINT NOT NULL REFERENCES vehicles.transmission(id) ON DELETE RESTRICT,
+  PRIMARY KEY (trim_id, transmission_id)
+);
+
+-- Optional: Performance (reserved for future)
+CREATE TABLE IF NOT EXISTS vehicles.performance (
+  id BIGSERIAL PRIMARY KEY,
+  engine_id BIGINT NULL REFERENCES vehicles.engine(id) ON DELETE SET NULL,
+  trim_id BIGINT NULL REFERENCES vehicles.trim(id) ON DELETE SET NULL,
+  horsepower NUMERIC(6,2) NULL,
+  torque NUMERIC(6,2) NULL,
+  top_speed NUMERIC(6,2) NULL,
+  zero_to_sixty NUMERIC(4,2) NULL
+);
+