clear model before loading new attribute values (fix #34544)

qgis · Mar 16, 2020 · 2ceb1c9 · 2ceb1c9
1 parent 835bf12
commit 2ceb1c9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/gui/qgsexpressionbuilderwidget.cpp b/src/gui/qgsexpressionbuilderwidget.cpp
@@ -475,6 +475,7 @@ void QgsExpressionBuilderWidget::fillFieldValues( const QString &fieldName, int
   QList<QVariant> values = mLayer->uniqueValues( fieldIndex, countLimit ).toList();
   std::sort( values.begin(), values.end() );
 
+  mValuesModel->clear();
   for ( const QVariant &value : qgis::as_const( values ) )
   {
     QString strValue;