CREATE TYPE notification_type AS ENUM('NTFY', 'PUSHOVER', 'HTTP', 'EMAIL'); CREATE TABLE public.notification ( id serial4 NOT NULL, service notification_type DEFAULT 'NTFY' NOT NULL, "configuration" jsonb DEFAULT '{}'::jsonb NOT NULL, prio int4 DEFAULT 0 NOT NULL, CONSTRAINT notification_pk PRIMARY KEY (id), CONSTRAINT notification_unique UNIQUE (prio) );