diff --git a/src/sql/engine/subquery/ob_subplan_filter_op.cpp b/src/sql/engine/subquery/ob_subplan_filter_op.cpp
index 2e472757a2..6670e3e646 100644
--- a/src/sql/engine/subquery/ob_subplan_filter_op.cpp
+++ b/src/sql/engine/subquery/ob_subplan_filter_op.cpp
@@ -24,7 +24,7 @@ namespace sql
 
 bool DatumRow::operator==(const DatumRow &other) const
 {
-  bool cmp = false;
+  bool cmp = true;
   if (cnt_ != other.cnt_) {
     cmp = false;
   } else {