Initial commit

apps/backend/prisma/migrations/20260408203000_add_booking_code/migration.sql

@@ -0,0 +1,11 @@
+-- AlterTable
+ALTER TABLE "court_bookings" ADD COLUMN "booking_code" VARCHAR(8);
+
+-- Backfill existing rows
+UPDATE "court_bookings"
+SET "booking_code" = UPPER(SUBSTRING(REPLACE("id"::text, '-', '') FROM 1 FOR 8))
+WHERE "booking_code" IS NULL;
+
+-- Enforce not-null and uniqueness
+ALTER TABLE "court_bookings" ALTER COLUMN "booking_code" SET NOT NULL;
+CREATE UNIQUE INDEX "court_bookings_booking_code_key" ON "court_bookings"("booking_code");