Pet owner and store

backend/src/main/resources/db/migration/V19__pet_owner_and_store.sql

@@ -0,0 +1,23 @@
+ALTER TABLE pet ADD COLUMN customerId BIGINT NULL;
+ALTER TABLE pet ADD COLUMN storeId BIGINT NULL;
+
+ALTER TABLE pet ADD CONSTRAINT fk_pet_customer
+    FOREIGN KEY (customerId) REFERENCES customer(customerId);
+ALTER TABLE pet ADD CONSTRAINT fk_pet_store
+    FOREIGN KEY (storeId) REFERENCES storeLocation(storeId);
+
+CREATE INDEX idx_pet_customerId ON pet(customerId);
+CREATE INDEX idx_pet_storeId ON pet(storeId);
+
+UPDATE pet
+SET storeId = (SELECT storeId FROM storeLocation ORDER BY storeId ASC LIMIT 1)
+WHERE LOWER(petStatus) IN ('available', 'unadopted');
+
+UPDATE pet p
+JOIN (
+    SELECT a.petId, a.customerId
+    FROM adoption a
+    WHERE LOWER(a.adoptionStatus) = 'completed'
+) latest ON latest.petId = p.petId
+SET p.customerId = latest.customerId
+WHERE LOWER(p.petStatus) = 'adopted';