2378 
2379     /**
2380      * Constructor.
2381      * @param CActiveRecord $model the model instance
2382      * @throws CDbException if specified table for active record class cannot be found in the database
2383      */
2384     public function __construct($model)
2385     {
2386         $this->_modelClassName=get_class($model);
2387 
2388         $tableName=$model->tableName();
2389         if(($table=$model->getDbConnection()->getSchema()->getTable($tableName))===null)
2390             throw new CDbException(Yii::t('yii','The table "{table}" for active record class "{class}" cannot be found in the database.',
2391                 array('{class}'=>$this->_modelClassName,'{table}'=>$tableName)));
2392