self-hosting/roles/mailserver_database/templates/tables.sql.j2

CREATE TABLE IF NOT EXISTS virtual_domains (
    id integer primary key generated by default as identity,
    name varchar(50) NOT NULL UNIQUE
);
INSERT INTO virtual_domains (name) VALUES ('{{ virtual_domain }}') ON CONFLICT (name) DO NOTHING;

CREATE TABLE IF NOT EXISTS virtual_users (
    id integer primary key generated by default as identity,
    domain_id integer NOT NULL,
    email varchar(254) NOT NULL UNIQUE,
    password varchar(150) NOT NULL,
    quota bigint NOT NULL DEFAULT 0,
    FOREIGN KEY (domain_id) REFERENCES virtual_domains(id)
    ON DELETE CASCADE
);

{% for user in mailserver_database.virtual_users %}
INSERT INTO virtual_users (domain_id, email, password, quota) VALUES (
    (SELECT id FROM virtual_domains WHERE name = '{{ virtual_domain }}'),
    '{{ user.name }}@{{ virtual_domain }}',
    '{{ user.pwd }}',
    0
) ON CONFLICT (email) DO UPDATE SET password = EXCLUDED.password, quota = EXCLUDED.quota;
{% endfor %}

CREATE TABLE IF NOT EXISTS virtual_aliases (
    id integer primary key generated by default as identity,
    domain_id integer NOT NULL,
    source varchar(254) NOT NULL UNIQUE,
    destination varchar(254) NOT NULL,
    FOREIGN KEY (domain_id) REFERENCES virtual_domains(id)
    ON DELETE CASCADE
);