public function isIgnored()
    {
        // don't ignore primary key
        if ($this->isPrimary) {
            return false;
        }
        // don't ignore when configuration is not set
        if (!$this->getConfig()->get(Formatter::CFG_SKIP_COLUMN_WITH_RELATION)) {
            return false;
        }
        // don't ignore when column has no relation
        if (0 === (count($this->getLocalForeignKeys()) + count($this->getForeignKeys()))) {
            return false;
        }

        return true;
    }