Evaluate defaults when adding new features in transaction group

Fixes #37222
qgis · Jun 19, 2020 · 2e6fdbe · 2e6fdbe
1 parent 4dc9b38
commit 2e6fdbe
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/app/qgsfeatureaction.cpp b/src/app/qgsfeatureaction.cpp
@@ -249,6 +249,18 @@ bool QgsFeatureAction::addFeature( const QgsAttributeMap &defaultAttributes, boo
   }
   else
   {
+    // If the layer is inside a transaction group we need to add
+    // the feature first to get the provider-evaluated defaults
+    const bool inTransaction {  mLayer->dataProvider() &&
+                                mLayer->dataProvider()->transaction() };
+    if ( inTransaction )
+    {
+      if ( mLayer->addFeature( *mFeature ) )
+      {
+        mLayer->deleteFeature( mFeature->id() );
+      }
+    }
+
     QgsAttributeDialog *dialog = newDialog( false );
     // delete the dialog when it is closed
     dialog->setAttribute( Qt::WA_DeleteOnClose );