-- Name: col_default_sql(col_ref); Type: FUNCTION; Schema: util; Owner: -

--

CREATE FUNCTION col_default_sql(col col_ref) RETURNS text

    LANGUAGE plpgsql STABLE STRICT

    AS $$

DECLARE

	default_sql text;

BEGIN

	SELECT adsrc

	FROM pg_attribute

	LEFT JOIN pg_attrdef ON adrelid = attrelid AND adnum = attnum

	WHERE attrelid = col.table_ AND attname = col.name

	INTO STRICT default_sql

	;

	RETURN default_sql;

EXCEPTION

	WHEN no_data_found THEN PERFORM util.raise_undefined_column(col);

END;

$$;

--