Dear List,

I have a geopackage database and tried to use a spatial sql function (st_area) using the db manager in qgis 3.4 --> select st_area(geom) from polygon_filename. The function is available, but the result is Null. What is the problem?

Thanks a lot

Kind regards

Klaus
_______________________________________________
Qgis-user mailing list
Qgis-user@lists.osgeo.org
List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user

Reply via email to