code: func (t *DatacentersTable) fetch(c context.Context) error {
  	db := database.Get(c)
  	rows, err := db.QueryContext(c, `
  		SELECT id, name, description, state
  		FROM datacenters
  	`)
  	if err != nil {
  		return errors.Annotate(err, "failed to select datacenters").Err()
  	}
  	defer rows.Close()
  	for rows.Next() {
  		dc := &Datacenter{}
  		if err := rows.Scan(&dc.Id, &dc.Name, &dc.Description, &dc.State); err != nil {
  			return errors.Annotate(err, "failed to scan datacenter").Err()
  		}
  		t.current = append(t.current, dc)
  	}
  	return nil
  }
docs: // fetch fetches the datacenters from the database.