for::isNormalizedTableFilled

static function isNormalizedTableFilled()
{
	$count = 0;
	$con = BitrixMainApplication::getConnection();
	$res = $con->query("SELECT COUNT(1) AS COUNT FROM b_sale_hdaln");

	if($row = $res->fetch())
		$count = intval($row['COUNT']);

	return $count > 0;
}