fix #5523

Author: jef-n

src/gui/attributetable/qgsattributetablemodel.cpp

@@ -164,7 +164,15 @@ void QgsAttributeTableModel::attributeDeleted( int idx )
   Q_UNUSED( idx );
   QgsDebugMsg( "entered." );
   loadAttributes();
-  loadLayer();
+  for ( int row = 0; row <= mRowIdMap.size(); row++ )
+  {
+    QgsFeatureId fid = rowToId( row );
+
+    if( !mFeatureMap.contains( fid ) )
+      continue;
+
+    mFeatureMap[ fid ].deleteAttribute( idx );
+  }
   emit modelChanged();
 }