From a74a280f709fe0597da0b4936a26b9e52553c10e Mon Sep 17 00:00:00 2001
From: obdev <obdev@oceanbase.com>
Date: Wed, 30 Nov 2022 08:07:41 +0000
Subject: [PATCH] [CP]fix const number of fast parse and normal parse is
 different bug

---
 src/sql/plan_cache/ob_sql_parameterization.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/sql/plan_cache/ob_sql_parameterization.cpp b/src/sql/plan_cache/ob_sql_parameterization.cpp
index 57a53d985..c2aa82aba 100644
--- a/src/sql/plan_cache/ob_sql_parameterization.cpp
+++ b/src/sql/plan_cache/ob_sql_parameterization.cpp
@@ -653,7 +653,8 @@ int ObSqlParameterization::transform_tree(TransformTreeCtx &ctx,
       ctx.is_project_list_scope_ = true;
     }
     for (int32_t i = 0;
-         OB_SUCC(ret) && i < root->num_child_ && root->type_ != T_QUESTIONMARK && root->type_ != T_VARCHAR && root->type_ != T_CHAR;
+         OB_SUCC(ret) && i < root->num_child_ && root->type_ != T_QUESTIONMARK
+         && root->type_ != T_VARCHAR && root->type_ != T_CHAR && root->type_ != T_NCHAR;
          ++i) {
       //如果not_param本来就是true则不需要再判断；因为某结点判断为true，则该结点子树均为true；
       if (OB_ISNULL(root->children_)) {