CREATE TABLE IF NOT EXISTS passwordless_users (
    user_id CHAR(36) NOT NULL,
    email VARCHAR(256) CONSTRAINT passwordless_users_email_key UNIQUE,
    phone_number VARCHAR(256) CONSTRAINT passwordless_users_phone_number_key UNIQUE,
    time_joined BIGINT UNSIGNED NOT NULL,
    CONSTRAINT passwordless_users_pkey PRIMARY KEY (user_id)
);