public function mergeWith($criteria, $fromScope = false)
 {
     if ($criteria instanceof CDbCriteria) {
         $criteria = $criteria->toArray();
     }
     parent::mergeWith($criteria, $fromScope);
     if (isset($criteria['limit']) && $criteria['limit'] > 0) {
         $this->limit = $criteria['limit'];
     }
     if (isset($criteria['offset']) && $criteria['offset'] >= 0) {
         $this->offset = $criteria['offset'];
     }
     if (isset($criteria['index'])) {
         $this->index = $criteria['index'];
     }
 }

 /**
  * Merges this relation with a criteria specified dynamically.
  * @param array the dynamically specified criteria
  * @since 1.0.5
  */
 public function mergeWith($criteria)
 {
     parent::mergeWith($criteria);
     if (isset($criteria['limit']) && $criteria['limit'] > 0) {
         $this->limit = $criteria['limit'];
     }
     if (isset($criteria['offset']) && $criteria['offset'] >= 0) {
         $this->offset = $criteria['offset'];
     }
     if (isset($criteria['index'])) {
         $this->index = $criteria['index'];
     }
 }