[Gvsig_english] filter window takes a long time to list attribute values (tested with Oracle Spatial plugin)

[Sergio Clark]

Hi,

You're right. We've solved this problem in other applications, by 
limiting the displaying of values in the Filter panel (not with Oracle, 
but with Postgis). For example, if there're more than 2000 different 
values in the selected field, they won't be displayed as a list and 
it'll be a message: "too many values to be displayed", in order to save 
time.

Maybe we could do the same in gvSIG. I'll write a feature request to the 
developers.

Thanks, and regards.
Sergio.


Sergio Clark
Equipo gvSIG
IVER T.I., S.A.
www.iver.es
www.gvsig.com



G. Allegri escribió:
> Hi.
> I'm experiencing long annoying pendings when the Filter window 
> retrieves the values list for an attribute being selected (double 
> click on the attribute name). I don't know if this is only related to 
> the Oracle Spatial driver, as in this moment I'm only working on 
> Oracle datasets.
>
> In general wouldn't it be useful to have an optional "list values"? By 
> default the Filter window could list a "select distinct" if the 
> records count is not too big, otherwise it could list only the first N 
> values.
>
> giovanni
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