reserve space in feature list for performance (#8322)

qgis · Oct 25, 2018 · 6a9cff3 · 6a9cff3
1 parent d1423de
commit 6a9cff3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -3024,6 +3024,7 @@ const QgsFeatureIds &QgsVectorLayer::selectedFeatureIds() const
 QgsFeatureList QgsVectorLayer::selectedFeatures() const
 {
   QgsFeatureList features;
+  features.reserve( mSelectedFeatureIds.count() );
   QgsFeature f;
 
   if ( mSelectedFeatureIds.count() <= 8 )