prepare before getting referenced fields

qgis · Jan 7, 2021 · 5e2cbab · 5e2cbab
1 parent cfc8f03
commit 5e2cbab
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/symbology/qgsmarkersymbollayer.cpp b/src/core/symbology/qgsmarkersymbollayer.cpp
@@ -3549,7 +3549,10 @@ QSet<QString> QgsSvgMarkerSymbolLayer::usedAttributes( const QgsRenderContext &c
 
   QMap<QString, QgsProperty>::const_iterator it = mParameters.constBegin();
   for ( ; it != mParameters.constEnd(); ++it )
+  {
+    it.value().prepare( context.expressionContext() );
     attrs.unite( it.value().referencedFields( context.expressionContext() ) );
+  }
 
   return attrs;
 }