Grido\Components\Filters\Filter::getColumn PHP Method

    public function getColumn()
    {
        if (empty($this->column)) {
            $column = $this->getName();
            if ($columnComponent = $this->grid->getColumn($column, FALSE)) {
                $column = $columnComponent->column;
                //use db column from column compoment
            }
            $this->setColumn($column);
        }
        return $this->column;
    }