Bug report #21784: @snapping_results gives no 'result' when adding feature to point layer - QGIS Application - QGIS Issue Tracking

Bug report #21784

@snapping_results gives no 'result' when adding feature to point layer

Added by Samuel Oester about 5 years ago. Updated about 5 years ago.

Status:	Closed
Priority:	Normal
Assignee:	Matthias Kuhn
Category:	Digitising
Affected QGIS version:	3.6.1	Regression?:	No
Operating System:	MacOS 10.12	Easy fix?:	No
Pull Request or Patch supplied:	No	Resolution:
Crashes QGIS or corrupts data:	No	Copied to github as #:	29599

Description

Tried to use the code snippet explained in the qgis user guide as default value:
with_variable( 'first_snapped_point', array_first( @snapping_results ), attribute( get_feature_by_id( map_get( @first_snapped_point, 'layer' ), map_get( @first_snapped_point, 'feature_id' ) ), 'object_id' ) )

Worked fine if digitizing on line layer (LineStringZM). Did not work when digitizing on point layer (PointZM).

Only tested with the two layers stored in a geopackage on QGIS 3.4.6 and 3.6.1 (MacOS).
Sample project attached should get default values from features sapped on (field 'uuid').

sample_project.zip (11.7 KB) Samuel Oester, 2019-04-07 10:56 PM