From ffe586e95025875f7333b6b78a147afbc03193bc Mon Sep 17 00:00:00 2001
From: sdc <njucssdc@gmail.com>
Date: Fri, 26 Apr 2024 04:09:05 +0000
Subject: [PATCH] fix soundex calc result collation type unstable bug

---
 src/sql/engine/expr/ob_expr_soundex.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sql/engine/expr/ob_expr_soundex.cpp b/src/sql/engine/expr/ob_expr_soundex.cpp
index 2a6420908..be7379cbd 100644
--- a/src/sql/engine/expr/ob_expr_soundex.cpp
+++ b/src/sql/engine/expr/ob_expr_soundex.cpp
@@ -101,6 +101,7 @@ int ObExprSoundex::calc_result_type1(
       res_type = ObVarcharType;
       res_length = OB_MAX_BINARY_LENGTH;
       res_cs_type = type_ctx.get_coll_type();
+      raw_expr->set_extra(static_cast<uint64_t>(res_cs_type));
     }
   }
   if (OB_SUCC(ret)) {