Hi Ricardo, On Thu, Sep 30, 2010 at 2:15 PM, Ricardo Filipe Soares Garcia da < [email protected]> wrote:
> Some questions on building querys with spatialite and postgis: You can use the RT Sql Layer plugin, but for postgis layers only. In this moment there is no way to do the same thing with spatialite layers. Cheers. > > 1 - Is it possible to build a query where two (or more) layers are > involved? Something like: > > SELECT a.* > FROM a, b > WHERE Contains(b, a) > > and get a visual result in the main Qgis display? I know I can do such > a query using the spatialite manager, but the return value is > visualized only as tabular data. > > 2 - Is it possible to dynamically create new geometries? For example, > write a custom query that creates a buffer around a point and store it > in a temporary layer? > > >From what I have been investigating it seems that these things are not > possible. Am I wrong? This kind of functionality would be really > awesome. > > -- > ___________________________ ___ __ > Ricardo Garcia Silva > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > -- Giuseppe Sucameli
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