Fix creating memory provider with no crs

qgis · May 25, 2023 · 7ed40d5 · 7ed40d5
1 parent 976c9a9
commit 7ed40d5
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 0 deletions.
diff --git a/src/core/providers/memory/qgsmemoryproviderutils.cpp b/src/core/providers/memory/qgsmemoryproviderutils.cpp
@@ -81,6 +81,10 @@ QgsVectorLayer *QgsMemoryProviderUtils::createMemoryLayer( const QString &name,
     else
       parts << QStringLiteral( "crs=wkt:%1" ).arg( crs.toWkt( QgsCoordinateReferenceSystem::WKT_PREFERRED ) );
   }
+  else
+  {
+    parts << QStringLiteral( "crs=" );
+  }
   for ( const QgsField &field : fields )
   {
     const QString lengthPrecision = QStringLiteral( "(%1,%2)" ).arg( field.length() ).arg( field.precision() );

diff --git a/tests/src/python/test_provider_memory.py b/tests/src/python/test_provider_memory.py
@@ -532,6 +532,7 @@ def testCreateMemoryLayer(self):
         self.assertTrue(layer.isValid())
         self.assertEqual(layer.name(), 'my name')
         self.assertTrue(layer.fields().isEmpty())
+        self.assertFalse(layer.dataProvider().crs().isValid())
 
         # similar layers should have unique sources
         layer2 = QgsMemoryProviderUtils.createMemoryLayer('my name', QgsFields())