Rule-based labeling: Fix issue with filters not working

qgis · Sep 24, 2015 · ee6a7d0 · ee6a7d0
1 parent d20ff23
commit ee6a7d0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/qgsrulebasedlabeling.cpp b/src/core/qgsrulebasedlabeling.cpp
@@ -229,7 +229,10 @@ void QgsRuleBasedLabeling::Rule::prepare( const QgsRenderContext& context, QStri
   }
 
   if ( mFilter )
+  {
+    attributeNames << mFilter->referencedColumns();
     mFilter->prepare( &context.expressionContext() );
+  }
 
   // call recursively
   Q_FOREACH ( Rule* rule, mChildren )