1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h
index d96c6bb53cc..85724e7c83f 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -336,6 +336,7 @@ struct system_variables
   my_bool log_warnings;
   my_bool low_priority_updates;
   my_bool new_mode;
+  my_bool query_cache_wlock_invalidate;
 
   CONVERT *convert_set;
 };