From 5d0186e152ddb16656570bf5fc1b7b364c9c29c0 Mon Sep 17 00:00:00 2001
From: obdev <obdev@oceanbase.com>
Date: Wed, 15 Mar 2023 12:11:03 +0000
Subject: [PATCH] [to #48421952] fix question_mark equal test with pl extend

---
 src/sql/resolver/expr/ob_shared_expr_resolver.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sql/resolver/expr/ob_shared_expr_resolver.cpp b/src/sql/resolver/expr/ob_shared_expr_resolver.cpp
index b0c7021a7d..18f7734182 100644
--- a/src/sql/resolver/expr/ob_shared_expr_resolver.cpp
+++ b/src/sql/resolver/expr/ob_shared_expr_resolver.cpp
@@ -21,6 +21,9 @@ bool ObQuestionmarkEqualCtx::compare_const(const ObConstRawExpr &left,
   bool bret = false;
   if (left.get_expr_type() != right.get_expr_type() ||
       left.get_result_type() != right.get_result_type() ||
+      (left.get_result_type().is_ext()
+        && left.get_result_type().get_extend_type() > 0
+        && left.get_result_type().get_extend_type() < T_EXT_SQL_ARRAY) ||
       OB_SUCCESS != err_code_) {
     // do nothing
   } else if (left.get_expr_type() != T_QUESTIONMARK) {