Optimize request for QgsFeatureFilterModel

qgis · Oct 26, 2017 · a2b79d4 · a2b79d4
1 parent a15c183
commit a2b79d4
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/core/qgsfeaturefiltermodel.cpp b/src/core/qgsfeaturefiltermodel.cpp
@@ -290,6 +290,10 @@ void QgsFeatureFilterModel::scheduledReload()
 
     request.setFilterExpression( filterClause );
   }
+  QSet<QString> attributes = request.filterExpression().referencedColumns();
+  attributes << mIdentifierField;
+  request.setSubsetOfAttributes( attributes );
+  request.setFlags( QgsFeatureRequest::NoGeometry );
 
   request.setLimit( 100 );