$results=DB::select('SELECT count(pharmacy_id) FROM prescription WHERE created_at <= :query_time GROUP BY pharmacy_id having count(pharmacy_id) >=100',['query_time'=>$query_time]);
$results=DB::select('SELECT count(pharmacy_id) FROM prescription WHERE created_at <= :query_time GROUP BY pharmacy_id having count(pharmacy_id) >=100',['query_time'=>$query_time]);