> It will benefit from expression compiling (for filtering and order by) > which results in performance improvements when it can be applied.
I'm not completely sure to know what you refer to in the QGIS context but the OGR SetAttributeFilter() method is directly evaluated by the SQLite request engine as a WHERE clause, and similarly for the ExecuteSQL() API. > > >> All the best -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer
