From 9fa49d5dcabb83865863bfc6d93c4ccb285dad74 Mon Sep 17 00:00:00 2001
From: bf0 <bf0@oceanbase.com>
Date: Wed, 23 Mar 2022 14:01:34 +0800
Subject: [PATCH] fix trim expr deduce bug

---
 src/sql/engine/expr/ob_expr_trim.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/sql/engine/expr/ob_expr_trim.cpp b/src/sql/engine/expr/ob_expr_trim.cpp
index 366bfb659..5f5d93e4a 100644
--- a/src/sql/engine/expr/ob_expr_trim.cpp
+++ b/src/sql/engine/expr/ob_expr_trim.cpp
@@ -411,9 +411,9 @@ inline int ObExprTrim::deduce_result_type(
     // deduce charset
     ObSEArray<ObExprResType, 2> tmp_types;
     OZ(tmp_types.push_back(*str_type));
-    if (NULL != pattern_type) {
-      OZ(tmp_types.push_back(*pattern_type));
-    }
+    // if (NULL != pattern_type) {
+    //  OZ(tmp_types.push_back(*pattern_type));
+    //}
     OZ(aggregate_charsets_for_string_result_with_comparison(
         type, &tmp_types.at(0), tmp_types.count(), type_ctx.get_coll_type()));
     str_type->set_calc_collation_type(type.get_collation_type());
-- 
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