text: CREATE TABLE public.tb_user
  (
      id bigint NOT NULL DEFAULT nextval('tb_user_id_seq'::regclass),
      user_name character varying(255) COLLATE pg_catalog."default" NOT NULL,
      password character varying(255) COLLATE pg_catalog."default" NOT NULL,
      email character varying(255) COLLATE pg_catalog."default",
      phone_number bigint,
      description character varying(255) COLLATE pg_catalog."default",
      create_time timestamp(6) with time zone,
      update_time timestamp(6) with time zone
      CONSTRAINT tb_user_pkey PRIMARY KEY (id)
  )
  
  CREATE TABLE public.tb_role
  (
      id bigint NOT NULL DEFAULT nextval('tb_role_id_seq'::regclass),
      name character varying(255) COLLATE pg_catalog."default",
      role_key character varying(255) COLLATE pg_catalog."default",
      description character varying(255) COLLATE pg_catalog."default",
      create_time timestamp(6) with time zone,
      update_time timestamp(6) with time zone,
      CONSTRAINT tb_role_pkey PRIMARY KEY (id)
  )
  
  CREATE TABLE public.tb_user_role
  (
      user_id bigint NOT NULL,
      role_id bigint NOT NULL
  )