-- Name: _fix_date(date, date); Type: FUNCTION; Schema: functions; Owner: -

--

CREATE FUNCTION _fix_date(value date DEFAULT NULL::date, threshold date DEFAULT NULL::date) RETURNS date

    LANGUAGE sql IMMUTABLE

    AS $_$

-- Fix dates after threshold date

-- This fixes e.g. 2-digit years before 1970 misinterpreted as 20xx

SELECT (CASE WHEN $1 > COALESCE($2, now()) THEN ($1 - '100 years'::interval)::date ELSE $1 END)

$_$;

--