// New creates a new todo.
func (db *Database) New(mid int, params *NewParams) (*Todo, error) {
    // Create a new Todo.
    todo := &Todo{
        MemberID: mid,
        Created:  time.Now(),
        Detail:   params.Detail,
    }

    // Create variable to hold the result.
    var res sql.Result
    var err error

    // Execute the query.
    if res, err = db.db.Exec(stmtInsert, todo.MemberID, todo.Created, todo.Detail, todo.Completed); err != nil {
        return nil, err
    }

    // Get last insert ID.
    id, err := res.LastInsertId()
    if err != nil {
        return nil, err
    }
    todo.ID = int(id)

    return todo, nil
}