const copy before for loop

qgis · Jun 20, 2019 · 840ab03 · 840ab03
1 parent 9290dff
commit 840ab03
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/core/qgsofflineediting.cpp b/src/core/qgsofflineediting.cpp
@@ -839,7 +839,8 @@ QgsVectorLayer *QgsOfflineEditing::copyVectorLayer( QgsVectorLayer *layer, sqlit
     copySymbology( layer, newLayer );
 
     //remove constrainst of fields that use defaultValueClauses from provider on original
-    for ( const QgsField &field : layer->fields() )
+    const auto fields = layer->fields();
+    for ( const QgsField &field : fields )
     {
       if ( !layer->dataProvider()->defaultValueClause( layer->fields().fieldOriginIndex( layer->fields().indexOf( field.name() ) ) ).isEmpty() )
       {