[Qgis-user] Geopagkage and "geom" in DBmanager

[Borys Jurgiel]

Exactly, virtual layers use SpatiaLite. See:

https://docs.qgis.org/testing/en/docs/user_manual/managing_data_source/create_layers.html#creating-virtual-layers 

Dnia czwartek, 13 września 2018 11:45:01 CEST Bo Victor Thomsen pisze:
> Actually I have a reasonable explanation: The 2 different dataproviders
> uses different internal functions to calculate the area. However the
> function used by the GeoPackage Dataprovider doesn't work !