-- Name: freq_always_1(regclass, text); Type: FUNCTION; Schema: util; Owner: -

--

CREATE FUNCTION freq_always_1(table_ regclass, freq_col text DEFAULT 'copies'::text) RETURNS boolean

    LANGUAGE sql STABLE

    AS $_$

SELECT util.eval2val(

$$SELECT NOT EXISTS( -- there is no row that is != 1

	SELECT NULL

	FROM $$||$1||$$

	WHERE $$||quote_ident(freq_col)||$$ IS DISTINCT FROM 1

	LIMIT 1

)

$$, NULL::boolean)

$_$;

--