public function select(){
$rows = [];
$connection = $this->connect();
$result = $connection->query("SELECT username FROM users");
while ($row = $result->fetch_assoc()){
$rows
SELECT
MATCH(`product_name`) AGAINST ('leica' IN BOOLEAN MODE) * 100 AS name,
MATCH(`product_category_name`) AGAINST ('leica' IN BOOLEAN MODE) * 50 AS category,
MATCH(`product_description`) AGAINST