[BUGFIX][Server] Filter restorer modifying layers and not well restor…

…ing them The Subsetstring is updated through QgsVectorLayer::setSubsetString and restored by QgsVectorDataProvider::setSubsetString and it's not idempotent. The solution is to use QgsVectorLayer::setSubsetString in the 2 cases.
qgis · Apr 25, 2017 · c869fa2 · c869fa2
1 parent 70a21d4
commit c869fa2
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/server/qgsfilterrestorer.cpp b/src/server/qgsfilterrestorer.cpp
@@ -61,10 +61,9 @@ void QgsOWSServerFilterRestorer::restoreLayerFilters( const QHash<QgsMapLayer *,
     QgsVectorLayer *filteredLayer = qobject_cast<QgsVectorLayer *>( filterIt.key() );
     if ( filteredLayer )
     {
-      QgsVectorDataProvider *dp = filteredLayer->dataProvider();
-      if ( dp )
+      if ( !filteredLayer->setSubsetString( filterIt.value() ) )
       {
-        dp->setSubsetString( filterIt.value() );
+        QgsMessageLog::logMessage( QStringLiteral( "Layer does not support Subset String" ) );
       }
     }
   }