From d647b8f1e4f340f8e4077b16f42ae6283e85614b Mon Sep 17 00:00:00 2001
From: obdev <obdev@oceanbase.com>
Date: Thu, 5 May 2022 14:19:39 +0800
Subject: [PATCH] [CP] fix the params collation level bugs when executing
 prepared sql

---
 src/observer/mysql/obmp_stmt_execute.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/observer/mysql/obmp_stmt_execute.cpp b/src/observer/mysql/obmp_stmt_execute.cpp
index 6a61c63ace..0efa65369e 100644
--- a/src/observer/mysql/obmp_stmt_execute.cpp
+++ b/src/observer/mysql/obmp_stmt_execute.cpp
@@ -1341,6 +1341,9 @@ int ObMPStmtExecute::parse_basic_param_value(ObIAllocator& allocator, const uint
       break;
     }
   }
+  if (OB_SUCC(ret) && share::is_mysql_mode()) {
+    param.set_collation_level(CS_LEVEL_COERCIBLE);
+  }
   return ret;
 }
 
-- 
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