original_string: public function insertAtBottom(ConnectionInterface $con = null)
      {
          $this->setPosition(ChildCustomerGroupQuery::create()->getMaxRankArray($con) + 1);
  
          return $this;
      }
code: public function insertAtBottom(ConnectionInterface $con = null)
      {
          $this->setPosition(ChildCustomerGroupQuery::create()->getMaxRankArray($con) + 1);
  
          return $this;
      }
code_tokens: public function insertAtBottom ( ConnectionInterface $ con = null ) { $ this -> setPosition ( ChildCustomerGroupQuery :: create ( ) -> getMaxRankArray ( $ con ) + 1 ) ; return $ this ; }
docstring: Insert in the last rank
  The modifications are not persisted until the object is saved.
  
  @param ConnectionInterface $con optional connection
  
  @return    ChildCustomerGroup the current object
  
  @throws    PropelException
docstring_tokens: Insert in the last rank The modifications are not persisted until the object is saved .