/**
  * @return \yii\db\ActiveQuery
  */
 public function getComments()
 {
     return $this->hasMany(Comments::className(), ['share_id' => 'share_id']);
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getCustomerUserName2()
 {
     return $this->hasOne(Comments::className(), ['customer_user_name' => 'customer_user_name2']);
 }