On Wed, 30 Nov 2022 at 00:06, Andreas Neumann via QGIS-Developer <qgis-developer@lists.osgeo.org> wrote: > > Hi, > > I am looking for a way to find out the internal id of a related layer with a > QGIS expression. > > @id and $id only work directly on the feature of the source layer, but not on > related layers. > > attributes( > get_feature( > 'Other Related Layer', > 't_id', > fkey_value > ) > ) > > doesn't contain the internal id of the other layer ... > > Any ideas how to get access to internal ids of other layers?
This is indeed a silly limitation -- we need a "feature_id(...)" expression function! Can you file a feature request for this? Nyall > > Thank you and greetings, > > Andreas > > _______________________________________________ > QGIS-Developer mailing list > QGIS-Developer@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer _______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
