[Qgis-developer] random selection in quantum gis

Sandro Santilli strk at keybit.net
Tue May 8 02:36:22 PDT 2012

On Tue, May 08, 2012 at 09:26:51AM +0000, matthieu spohn wrote:
> Hello, everyone!
>  Someone know with which algorithm does the selection of random sample work??

Speaking of which, I think such selections should be delegated
to providers, for performance reasons (full table scans can take
minutes over million-rows postgresql tables).


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