public function insertExistingField(Content $content, Field $field, StorageFieldValue $value)
    {
        $q = $this->dbHandler->createInsertQuery();

        $this->setInsertFieldValues($q, $content, $field, $value);

        $q->set(
            $this->dbHandler->quoteColumn('id'),
            $q->bindValue($field->id, null, \PDO::PARAM_INT)
        );

        $q->prepare()->execute();
    }