-- Name: table2hstore(regclass); Type: FUNCTION; Schema: functions; Owner: -

--

CREATE FUNCTION table2hstore(table_ regclass) RETURNS hstore

    LANGUAGE plpgsql IMMUTABLE STRICT

    AS $_$

DECLARE

    hstore hstore;

BEGIN

    EXECUTE $$SELECT hstore(ARRAY(SELECT unnest(ARRAY["from", "to"]) FROM $$||

        table_||$$))$$ INTO STRICT hstore;

    RETURN hstore;

END;

$_$;

--