[Qgis-developer] Why is scrolling in the attribute table so slow?

[Anita Graser]

Hi,

On Fri, Dec 2, 2011 at 8:28 AM, Andreas Neumann <a.neumann at carto.net> wrote:

>
>
> I am not yet fully convinced if people understand what "Select at ID"
> means ... any suggestions? It is derived from the fact that if a provider
> has getFeatureAtId available it will not cache locally, otherwise it will.
> I would prefer "local cache" as a column name, but then the meaning of the
> checkbox would have to be reversed.
>

+1 for something like "cache layer locally". "Select at ID" has NO meaning
whatsoever for the user. Nobody - except for a hand full of developers -
will know what it stands for.

Regards,

Anita



>
> Andreas
>
>
> On Thu, 24 Nov 2011 15:44:35 +0100, Andreas Neumann wrote:
>
>> thats interesting - the same table in Spatialite or Shape scrolls much
>>>> faster (at least 10 times faster)
>>>>
>>>
>>>  so yes - it seems to be related to the PostgreSQL datasource.
>>>>
>>>
>>> (commit) 90481072 might help with this a bit.
>>>
>>>
>> it helps for repeated scrolling. Initial scrolling is equally slow
>> than before, but if I scroll back and forth to records that had
>> already been viewed, it scrolls faster.
>>
>> Thanks, Jürgen!
>>
>> Andreas
>>
>
> --
> --
> Andreas Neumann
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> 8624 Grüt (Gossau ZH)
> Switzerland
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