CREATE TABLE public.users_t (
    id SERIAL NOT NULL,
    username VARCHAR(25) NOT NULL,
    pw VARCHAR(512) NOT NULL,
    super INTEGER DEFAULT 0 NOT NULL,
    CONSTRAINT users_t_pk PRIMARY KEY (id),
    CONSTRAINT users_t_uk_username UNIQUE (username)
);

CREATE TABLE public.acls_t (
    id SERIAL NOT NULL,
    "user" INTEGER NOT NULL,
    topic VARCHAR(512) NOT NULL,
    rw INTEGER DEFAULT 5 NOT NULL,
    CONSTRAINT acls_t_pk PRIMARY KEY (id),
    CONSTRAINT acls_t_fk_user FOREIGN KEY ("user") REFERENCES users_t(id)
);

CREATE OR REPLACE VIEW users AS
    SELECT users_t.username,
           users_t.pw,
           users_t.super
      FROM users_t;

CREATE OR REPLACE VIEW acls AS
    SELECT a.topic,
           a.rw,
           u.username
      FROM users_t u,
           acls_t a
      WHERE a."user" = u.id;

CREATE USER mosquittoauth;
GRANT SELECT ON users, acls TO mosquittoauth;