/**
  * Bugfix to remove the DB name
  * Retrieve valid foreign key name
  * Check foreign key name length and allowed symbols
  *
  * @param string $priTableName
  * @param string $priColumnName
  * @param string $refTableName
  * @param string $refColumnName
  *
  * @return string
  */
 public function getForeignKeyName($priTableName, $priColumnName, $refTableName, $refColumnName)
 {
     return parent::getForeignKeyName($this->_removeShadowDbName($priTableName), $priColumnName, $this->_removeShadowDbName($refTableName), $refColumnName);
 }