diff --git a/src/sql/optimizer/ob_table_location.cpp b/src/sql/optimizer/ob_table_location.cpp
index 4b4296bb20..8979f18d44 100644
--- a/src/sql/optimizer/ob_table_location.cpp
+++ b/src/sql/optimizer/ob_table_location.cpp
@@ -829,14 +829,16 @@ void ObTableLocation::reset()
     }
   }
   calc_nodes_.reset();
-
-
   stmt_type_ = stmt::T_NONE;
-
+  vies_.reset();
+  sub_vies_.reset();
+  se_part_expr_ = NULL;
+  se_gen_col_expr_ = NULL;
+  se_subpart_expr_ = NULL;
+  se_sub_gen_col_expr_ = NULL;
   part_hint_ids_.reset();
-
+  part_col_type_ = ObNullType;
   related_list_.reset();
-
   inner_allocator_.reset();
   part_collation_type_ = CS_TYPE_INVALID;
   subpart_col_type_ = ObNullType;