/**
  * @return \yii\db\ActiveQuery
  */
 public function getDesignerUserName()
 {
     return $this->hasOne(Designer::className(), ['designer_user_name' => 'designer_user_name']);
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getItemDesigner()
 {
     return $this->hasOne(Designer::className(), ['designer_user_name' => 'item_designer_id']);
 }