Method Update

mutate_row.go:69–93

Update the row at index

(at int, row Row)

// Update the row at index
func (t *DataTable) Update(at int, row Row) error {
	if row == nil {
		row = make(Row, 0)
	}

	for _, col := range t.cols {
		if col.IsComputed() {
			continue
		}
		cell, ok := row[col.name]
		if ok {
			if err := col.serie.Set(at, cell); err != nil {
				err := errors.Wrapf(err, "col %s", col.name)
				return errors.Wrap(err, ErrUpdateRow.Error())
			}
			continue
		}
		if err := col.serie.Set(at, nil); err != nil {
			err := errors.Wrapf(err, "col %s", col.name)
			return errors.Wrap(err, ErrUpdateRow.Error())
		}
	}

	return nil
}