[bugfix][postgresql] Fix crashes on featureCount()

Fixes #17388 Needs backporting
qgis · Nov 10, 2017 · fe56531 · fe56531
1 parent 2ca4ee5
commit fe56531
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/providers/postgres/qgspostgresprovider.cpp b/src/providers/postgres/qgspostgresprovider.cpp
@@ -3098,6 +3098,12 @@ long QgsPostgresProvider::featureCount() const
   if ( featuresCounted >= 0 )
     return featuresCounted;
 
+  // See: https://issues.qgis.org/issues/17388 - QGIS crashes on featureCount())
+  if ( ! connectionRO() )
+  {
+    return 0;
+  }
+
   // get total number of features
   QString sql;