-- Name: map_get(regclass, text); Type: FUNCTION; Schema: functions; Owner: -

--

CREATE FUNCTION map_get(map regclass, key text) RETURNS text

    LANGUAGE plpgsql STABLE STRICT

    AS $_$

DECLARE

    value text;

BEGIN

    EXECUTE $$SELECT "to" FROM $$||map||$$ WHERE "from" = $1$$

        INTO STRICT value USING key;

    RETURN value;

END;

$_$;

--