-- 004_create_favorite_restaurants_table.sql
CREATE TABLE IF NOT EXISTS `favorite_restaurants` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `user_id` INT NOT NULL,
    `restaurant_id` INT NOT NULL,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE,
    FOREIGN KEY (`restaurant_id`) REFERENCES `restaurants`(`id`) ON DELETE CASCADE,
    UNIQUE KEY `user_restaurant_unique` (`user_id`, `restaurant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;