Merge pull request #9156 from nyalldawson/fix_21188_render_cats

[categorized] Fix blank layers when using categorized renderer
qgis · Feb 12, 2019 · f95d323 · f95d323
2 parents 07746db + 7714bfb
commit f95d323
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/symbology/qgscategorizedsymbolrenderer.cpp b/src/core/symbology/qgscategorizedsymbolrenderer.cpp
@@ -533,7 +533,7 @@ QString QgsCategorizedSymbolRenderer::filter( const QgsFields &fields )
 
   for ( const QgsRendererCategory &cat : qgis::as_const( mCategories ) )
   {
-    if ( cat.value() == "" )
+    if ( cat.value() == "" || cat.value().isNull() )
     {
       hasDefault = true;
       defaultActive = cat.renderState();