framework/Dbal/Query.php
public function group($group)
    {
        $group = $this->prepareNames(func_get_args(), false);
        $this->group = $group;
        return $this;
    }
public function group($group)
    {
        $group = $this->prepareNames(func_get_args(), false);
        $this->group = $group;
        return $this;
    }
public function group ( $ group ) { $ group = $ this -> prepareNames ( func_get_args ( ) , false ) ; $ this -> group = $ group ; return $ this ; }
Sets group values
@param string $group
@return $this
Sets group values