From 5e3a117ca711d910159ea274b31b572ee1a4c48a Mon Sep 17 00:00:00 2001
From: hanr881 <1741282579@qq.com>
Date: Fri, 1 Sep 2023 10:44:33 +0000
Subject: [PATCH] to issue<51710744>:fix datetime type as argument of store
 routine issue

---
 src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp b/src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp
index 8e9369bf9..edc7ed8c7 100644
--- a/src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp
@@ -2605,8 +2605,14 @@ int ObRawExprResolverImpl::process_datatype_or_questionmark(const ParseNode &nod
             }
 #endif
           } else {
-            c_expr->set_meta_type(ObSQLUtils::is_oracle_empty_string(param)
+            if (ObNullType == param.get_type() &&
+                T_QUESTIONMARK == c_expr->get_expr_type() &&
+                ObDateTimeType == param.get_null_meta().get_type()) {
+              c_expr->set_meta_type(param.get_null_meta());
+            } else {
+              c_expr->set_meta_type(ObSQLUtils::is_oracle_empty_string(param)
                                   ? param.get_param_meta() : param.get_meta());
+            }
             c_expr->set_expr_obj_meta(param.get_param_meta());
             c_expr->set_accuracy(param.get_accuracy());
             c_expr->set_result_flag(param.get_result_flag()); // not_null etc