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archive/platform-services/vehicles/sql/schema/003_seed_minimal.sql

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+-- Minimal seed data for testing dropdown hierarchy
+INSERT INTO vehicles.make (name) VALUES ('Honda') ON CONFLICT DO NOTHING;
+INSERT INTO vehicles.make (name) VALUES ('Toyota') ON CONFLICT DO NOTHING;
+
+-- Resolve make ids
+WITH m AS (
+  SELECT id FROM vehicles.make WHERE lower(name) = lower('Honda')
+)
+INSERT INTO vehicles.model (make_id, name)
+SELECT m.id, 'Civic' FROM m
+ON CONFLICT DO NOTHING;
+
+WITH m AS (
+  SELECT id FROM vehicles.make WHERE lower(name) = lower('Toyota')
+)
+INSERT INTO vehicles.model (make_id, name)
+SELECT m.id, 'Corolla' FROM m
+ON CONFLICT DO NOTHING;
+
+-- Model years
+WITH mo AS (
+  SELECT id FROM vehicles.model WHERE lower(name) = lower('Civic')
+)
+INSERT INTO vehicles.model_year (model_id, year)
+SELECT mo.id, 2024 FROM mo ON CONFLICT DO NOTHING;
+
+WITH mo AS (
+  SELECT id FROM vehicles.model WHERE lower(name) = lower('Corolla')
+)
+INSERT INTO vehicles.model_year (model_id, year)
+SELECT mo.id, 2024 FROM mo ON CONFLICT DO NOTHING;
+
+-- Trims
+WITH my AS (
+  SELECT my.id FROM vehicles.model_year my
+  JOIN vehicles.model mo ON mo.id = my.model_id
+  WHERE lower(mo.name) = lower('Civic') AND my.year = 2024
+)
+INSERT INTO vehicles.trim (model_year_id, name)
+SELECT my.id, 'LX' FROM my ON CONFLICT DO NOTHING;
+
+WITH my AS (
+  SELECT my.id FROM vehicles.model_year my
+  JOIN vehicles.model mo ON mo.id = my.model_id
+  WHERE lower(mo.name) = lower('Corolla') AND my.year = 2024
+)
+INSERT INTO vehicles.trim (model_year_id, name)
+SELECT my.id, 'LE' FROM my ON CONFLICT DO NOTHING;
+
+-- Engines
+INSERT INTO vehicles.engine (name, code, displacement_l, cylinders, fuel_type, aspiration)
+VALUES ('2.0L I4', 'K20', 2.0, 4, 'Gasoline', 'NA')
+ON CONFLICT DO NOTHING;
+
+INSERT INTO vehicles.engine (name, code, displacement_l, cylinders, fuel_type, aspiration)
+VALUES ('2.0L I4', 'M20', 2.0, 4, 'Gasoline', 'NA')
+ON CONFLICT DO NOTHING;
+
+-- Map engines to trims
+WITH t AS (
+  SELECT t.id AS trim_id, e.id AS engine_id
+  FROM vehicles.trim t
+  JOIN vehicles.model_year my ON my.id = t.model_year_id AND my.year = 2024
+  JOIN vehicles.model mo ON mo.id = my.model_id
+  JOIN vehicles.make ma ON ma.id = mo.make_id
+  JOIN vehicles.engine e ON e.code IN ('K20','M20')
+  WHERE lower(ma.name) = lower('Honda') AND lower(mo.name) = lower('Civic') AND lower(t.name) = lower('LX')
+)
+INSERT INTO vehicles.trim_engine (trim_id, engine_id)
+SELECT trim_id, engine_id FROM t ON CONFLICT DO NOTHING;