CREATE TABLE public.notification_send (
	id serial NOT NULL,
	notification_id int4 NOT NULL,
	"uuid" char(36) NOT NULL,
	send timestamptz DEFAULT now() NOT NULL,
	ok bool NOT NULL,
	error jsonb NULL,
	acknowledged bool DEFAULT false NOT NULL,
	problem_id int8 NOT NULL,
	CONSTRAINT notification_send_pk PRIMARY KEY (id),
	CONSTRAINT notification_send_notification_fk FOREIGN KEY (notification_id) REFERENCES public.notification(id) ON DELETE CASCADE ON UPDATE CASCADE,
	CONSTRAINT notification_send_problem_fk FOREIGN KEY (problem_id) REFERENCES public.problem(id) ON DELETE CASCADE ON UPDATE CASCADE
);