diff --git a/src/sql/engine/expr/ob_expr_case.cpp b/src/sql/engine/expr/ob_expr_case.cpp
index 8dd09949cc..4bf90128d5 100644
--- a/src/sql/engine/expr/ob_expr_case.cpp
+++ b/src/sql/engine/expr/ob_expr_case.cpp
@@ -104,8 +104,9 @@ int ObExprCase::calc_result_typeN(ObExprResType &type,
           types_stack[i].set_calc_meta(types_stack[i].get_obj_meta());
         } else {
           types_stack[i].set_calc_meta(type.get_obj_meta());
-          if (ObDecimalIntType == type.get_obj_meta().get_type() ||
-              ob_is_double_type(type.get_obj_meta().get_type())) {
+          if (ObNumberType == type.get_obj_meta().get_type()
+              || ObDecimalIntType == type.get_obj_meta().get_type()
+              || ob_is_double_type(type.get_obj_meta().get_type())) {
             types_stack[i].set_calc_accuracy(type.get_accuracy());
           }
         }