Add safety guard when mDataProvider is not set

qgis · Feb 19, 2019 · 0514df7ebc2851fe792c82f826b0a5d63d922269 · 0514df7
1 parent 7949046
commit 0514df7ebc2851fe792c82f826b0a5d63d922269
Unified Split

Showing with 2 additions and 0 deletions.

+2 −0 src/core/qgsvectorlayer.cpp
diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -2891,6 +2891,8 @@ QgsAttributeList QgsVectorLayer::primaryKeyAttributes() const
 
 long QgsVectorLayer::featureCount() const
 {
+  if ( ! mDataProvider )
+    return 0;
   return mDataProvider->featureCount() +
          ( mEditBuffer ? mEditBuffer->mAddedFeatures.size() - mEditBuffer->mDeletedFeatureIds.size() : 0 );
 }