[Qgis-developer] have aggregate/window expressions ever been discussed?

[Hugo Mercier]

Hi,

Le 30/05/2014 12:30, Nathan Woodrow a écrit :

> My other idea is to allow the data providers to run a native query on
> the connection/database and just return the result as a new layer.  This
> would be a matter just passing a query string, running the query on the
> provider, returning a new layer with the data.   The layers don't need
> to be opened in QGIS.  Pretty much what DB Manager currently does but
> done at a provider level, so we have it for each provider.
> 

I am not sure to understand how is it different from the way DB manager
does with a query, i.e. opening a layer and passing a query as the table
name ?
I mean, AFAIK, it's always executed at the provider level, isn't it ?