From 4218f2836bb38ec79fd080fa88d09d3fe3766c3a Mon Sep 17 00:00:00 2001
From: Tjianke <34013484+Tjianke@users.noreply.github.com>
Date: Sun, 7 Mar 2021 19:40:34 +0800
Subject: [PATCH] expression: fix wrong error info (#22760)

---
 types/overflow.go      | 2 +-
 types/overflow_test.go | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/types/overflow.go b/types/overflow.go
index 6bb9d658ac..c1533d4a44 100644
--- a/types/overflow.go
+++ b/types/overflow.go
@@ -200,7 +200,7 @@ func DivUintWithInt(a uint64, b int64) (uint64, error) {
 func DivIntWithUint(a int64, b uint64) (uint64, error) {
 	if a < 0 {
 		if uint64(-a) >= b {
-			return 0, ErrOverflow.GenWithStackByArgs("BIGINT", fmt.Sprintf("(%d, %d)", a, b))
+			return 0, ErrOverflow.GenWithStackByArgs("BIGINT UNSIGNED", fmt.Sprintf("(%d, %d)", a, b))
 		}
 
 		return 0, nil
diff --git a/types/overflow_test.go b/types/overflow_test.go
index 27b7c2f80d..78d214f39b 100644
--- a/types/overflow_test.go
+++ b/types/overflow_test.go
@@ -329,16 +329,18 @@ func (s *testOverflowSuite) TestDiv(c *C) {
 		rsh      uint64
 		ret      uint64
 		overflow bool
+		err      string
 	}{
-		{math.MinInt64, math.MaxInt64, 0, true},
-		{0, 1, 0, false},
-		{-1, math.MaxInt64, 0, false},
+		{math.MinInt64, math.MaxInt64, 0, true, "*BIGINT UNSIGNED value is out of range in '\\(-9223372036854775808, 9223372036854775807\\)'"},
+		{0, 1, 0, false, ""},
+		{-1, math.MaxInt64, 0, false, ""},
 	}
 
 	for _, t := range tblInt2 {
 		ret, err := DivIntWithUint(t.lsh, t.rsh)
 		if t.overflow {
 			c.Assert(err, NotNil)
+			c.Assert(err, ErrorMatches, t.err)
 		} else {
 			c.Assert(ret, Equals, t.ret)
 		}