Исправление ошибки в SqlCriteria.count() - дублирующееся COUNT(COUNT( * во внутреннем sql-запросе

Model/SqlCriteria.php

@@ -79,16 +79,17 @@ class SqlCriteria
         return $this->model->find('', '', $this->where, null, null, null, null, 'DELETE FROM :table', $this->sql_expression_params)->affectedRows();
     }
 
+    //TODO: перенести определение sql_expression в модель
     public function count($select = null)
     {
 	    $this->defineJoinExpressions($select);
 	    $sql_expression_backup = $this->sql_expression;
-        $select = 'COUNT(*) as count';
+        $select_parent_query = 'COUNT(*) as count';
         if (!$this->sql_expression) {
             $this->sql_expression = 'SELECT COUNT(' . ($select ? $select : '*') . ') as count FROM :table';
-            $select = 'x.count';
+            $select_parent_query = 'x.count';
         }
-        $count = $this->model->count($select, $this->where, null, $this->group_by, $this->sql_expression, $this->sql_expression_params)->fetchField('count');
+        $count = $this->model->count($select_parent_query, $this->where, null, $this->group_by, $this->sql_expression, $this->sql_expression_params)->fetchField('count');
         $this->sql_expression = $sql_expression_backup;
 	    return $count;
     }

Model/SqlModel.php

@@ -226,12 +226,12 @@ abstract class SqlModel extends Model
         return new SqlResultProvider($result);
     }
 
-    public function count($select = 'x.count', $where, $heaving = null, $group_by = null, $sql_expression = null, $sql_expression_params = array(), $cache_key = null)
+    public function count($select_parent_query = 'x.count', $where, $heaving = null, $group_by = null, $sql_expression = null, $sql_expression_params = array(), $cache_key = null)
     {
         $where = $this->db->whereExpr($where);
         $group_by = $this->db->groupByExpr($group_by);
         $result = $this->query(
-            'SELECT ' . $select . ' FROM (' .
+            'SELECT ' . $select_parent_query . ' FROM (' .
             (($sql_expression) ? $sql_expression : ('SELECT * FROM ' . $this->identify($this->table())))
                 . (($where) ? (' WHERE ' . $where) : '')
                 . (($group_by) ? (' GROUP BY ' . $group_by) : '') . ') AS x',