func (d *SentenceDao) UpdateSentence(
	id string,
	sentence *model.Sentence,
) (*model.Sentence, error) {

	result, err := DB.Exec(
		"UPDATE sentence SET content = $1, iso639_3 = $2 WHERE id =  $3",
		sentence.Content,
		sentence.Lang,
		id,
	)

	if err != nil {
		log.Println(err)
		return nil, err
	}

	rowsAffected, err := result.RowsAffected()
	if rowsAffected < 0 {
		return nil, nil
	}

	if err != nil {
		return nil, err
	}
	sentence.SentenceID = id

	return sentence, nil
}
func (d *SentenceDao) SetStructure(
	id string,
	sentence *model.Sentence,
) (*model.Sentence, error) {

	result, err := DB.Exec(
		`
			UPDATE sentence
			SET structure = $1
			WHERE id =  $2
		`,
		sentence.Structure,
		id,
	)

	//TODO duplicated code
	if err != nil {
		log.Println(err)
		return nil, err
	}

	rowsAffected, err := result.RowsAffected()
	if rowsAffected < 0 {
		return nil, nil
	}

	if err != nil {
		return nil, err
	}
	sentence.SentenceID = id

	return sentence, nil

}