Bug report #21665

Virtual layers are always stored with absolute paths

Added by Martin Dobias about 1 year ago.

Status:Open
Priority:Normal
Assignee:-
Category:Virtual Layers
Affected QGIS version:3.7(master) Regression?:No
Operating System:any Easy fix?:No
Pull Request or Patch supplied:No Resolution:
Crashes QGIS or corrupts data:No Copied to github as #:29481

Description

Paths to data sources of virtual layers always use full paths when stored in projects (and full paths are expected when reading project files). This makes projects with virtual layers using file-based sources non-portable between different machines.

Steps to reproduce:
1. create a virtual layer with a shapefile as a source
2. store as a project
3. move the project and shapefile to a new directory -> virtual layers is invalid

There are QgsVectorLayer::encodedSource() and QgsVectorLayer::decodedSource() methods that will need adjusting.

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