if (is_resource($this->loh = pg_lo_open($this->dbh, $this->lon = self::$loId, $mode))) {
pg_lo_seek($this->loh, 0, PGSQL_SEEK_END);
$this->size = (int) pg_lo_tell($this->loh);
if (is_resource($this->loh = pg_lo_open($this->dbh, $this->lon = self::$loId, $mode))) {
pg_lo_seek($this->loh, 0, PGSQL_SEEK_END);
$this->size = (int) pg_lo_tell($this->loh);