Оптимизация запроса на получения кол-ва записей SqlModel::count

MIRSPORTA-604 Исправление ошибок mysql

Model/SqlModel.php

@@ -231,10 +231,10 @@ abstract class SqlModel extends Model
         $where = $this->db->whereExpr($where);
         $group_by = $this->db->groupByExpr($group_by);
         $result = $this->query(
-            'SELECT ' . $select_parent_query . ' FROM (' .
+            'SELECT (' .
             (($sql_expression) ? $sql_expression : ('SELECT * FROM ' . $this->identify($this->table())))
                 . (($where) ? (' WHERE ' . $where) : '')
-                . (($group_by) ? (' GROUP BY ' . $group_by) : '') . ') AS x',
+                . (($group_by) ? (' GROUP BY ' . $group_by) : '') . ') AS count',
             $sql_expression_params,
             $cache_key
         );