Bug report #12174
$rownum returns 0 in labeling engine
|Affected QGIS version:||master||Regression?:||No|
|Operating System:||Easy fix?:||No|
|Pull Request or Patch supplied:||No||Resolution:||invalid|
|Crashes QGIS or corrupts data:||No||Copied to github as #:||20365|
Using the variable $rownum returns a value of 0 for all rows when used for labeling purposes.
Steps to replicate:
Set labeling on layer to the expression $rownum
All labels are 0
What should happen:
Each label corresponds to the feature's row number
Tested in latest nightly from Osgeo4W. Problem also occurs in 2.6.1.
#1 Updated by Martin Dobias about 5 years ago
- Resolution set to invalid
- Status changed from Open to Closed
$rownum is only valid in the context of field calculator - in all other occurrences it will be zero. You can use $id to access feature's ID (but ID does not need to be going from 0 by steps of 1).