CREATE TABLE public.file (
	id       serial       NOT NULL,
	user_id  int4         NOT NULL,
	filename varchar(256) NOT NULL DEFAULT '<noname>',
	"size"   int4         NOT NULL DEFAULT 0,
	mime     varchar(256) NOT NULL DEFAULT '',
	uploaded timestamp    NOT NULL DEFAULT NOW(),
	CONSTRAINT file_pk PRIMARY KEY (id),
	CONSTRAINT file_fk FOREIGN KEY (user_id) REFERENCES public."user"(id) ON DELETE RESTRICT ON UPDATE RESTRICT
);