Bug report #19067
Unexpected error in the attribute table with the QGIS Union algorithm
| Status: | Closed | ||
|---|---|---|---|
| Priority: | High | ||
| Assignee: | - | ||
| Category: | Processing/QGIS | ||
| Affected QGIS version: | 3.0.3 | Regression?: | No |
| Operating System: | Arch Linux x64 / Windows 10 | Easy fix?: | No |
| Pull Request or Patch supplied: | No | Resolution: | fixed/implemented |
| Crashes QGIS or corrupts data: | Yes | Copied to github as #: | 26897 |
Description
Performing an academic vector overlay exercise, I found a possible error in the result of the attribute table using the Union function with the two polygons layers of a GeoPackage database.
Here are the original layers:

The result of A U B gives the following:

Geometries with intersection should not deliver null values.
Attached is a QGIS project to replicate the results.
History
#1
Updated by Nyall Dawson over 7 years ago
- Resolution set to fixed/implemented
- Status changed from Open to Closed
Confirmed fixed in 3.2