func (d *Postgres) getLogTags(tx *sql.Tx, log *models.Log) error { var ( tag string tags []string ) query, args, dest := sqlbuilder.Select(). Dialect(sqlbuilder.Postgres). From(`"log_tag"`). Map(`"tag"`, &tag). Where(`"log_id" = ?`, log.ID). Build() rows, err := tx.Query(query, args...) if err != nil { return err } for rows.Next() { if err := rows.Scan(dest...); err != nil { return err } tags = append(tags, tag) } if err := rows.Err(); err != nil { return err } log.Tags = tags return nil }