USE dating_app;

CREATE TABLE IF NOT EXISTS user_interests (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    name VARCHAR(120) NOT NULL,
    created_at DATETIME NOT NULL,
    CONSTRAINT uq_user_interest_name UNIQUE (user_id, name),
    CONSTRAINT fk_user_interests_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    INDEX ix_user_interests_user (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- There is deliberately no maximum row count per user. The API enforces only
-- the onboarding minimum of two interests when a list is submitted.