Re: [gnome-db] Caching list view/-model ?

[Rodrigo Moya <rodrigo gnome-db org>]

On Sun, 2003-07-27 at 14:53, Peter Schulte-Stracke wrote:
> Am 2003.07.23 23:24 schrieb(en) Rodrigo Moya:
> 
> > > The libgnomedb appears to contain something in this direction, however
> > > a.t.m. I am still searching for it :-)
> 
> > one way I've been thinking for doing this is to use the GnomeDbForm's
> > list mode to display a number of rows at a time. Then, you could
> > navigate to the next 10 and so on.
> > 
> > Doing that in the grid widget seems a bit more difficult, although it
> > might be possible.
> 
> Hmm, as far as I can see, it utilises gnome_db_list_set_model, which
> contains:
> 
> 	if (model != NULL) {
> 		row_count = gda_data_model_get_n_rows (model);
> 		for (n = 0; n < row_count; n++) {
> 			const GdaValue *value;
> 
> 			value = gda_data_model_get_value_at (model, col,
> n);
> 			if (value != NULL) {
> 				gda_data_model_list_append_value (
> 					GDA_DATA_MODEL_LIST (list->priv->data_model),
> 					value);
> 			}
> 		}
> 	}
> 
> So it appears to just moving the data into a list for display.  How can
> this work with a large record set?
> 
I was talking about changing its current behavior, to act as I said in
my previous mail.

cheers