diff --git a/executor/seqtest/prepared_test.go b/executor/seqtest/prepared_test.go
index 505ee50f9ffb3..e83bba66e5c01 100644
--- a/executor/seqtest/prepared_test.go
+++ b/executor/seqtest/prepared_test.go
@@ -218,7 +218,7 @@ func (s *seqTestSuite) TestPrepared(c *C) {
 		tk.MustExec("create table prepare1 (a decimal(1))")
 		tk.MustExec("insert into prepare1 values(1);")
 		_, err = tk.Exec("prepare stmt FROM @sql1")
-		c.Assert(err.Error(), Equals, "line 1 column 4 near \"\" (total length 4)")
+		c.Assert(err.Error(), Equals, "line 1 column 4 near \"NULL\" (total length 4)")
 		tk.MustExec("SET @sql = 'update prepare1 set a=5 where a=?';")
 		_, err = tk.Exec("prepare stmt FROM @sql")
 		c.Assert(err, IsNil)
diff --git a/expression/integration_test.go b/expression/integration_test.go
index e399aebfe9a6f..aed28975c7227 100644
--- a/expression/integration_test.go
+++ b/expression/integration_test.go
@@ -3702,7 +3702,7 @@ func (s *testIntegrationSuite) TestUnknowHintIgnore(c *C) {
 	tk.MustExec("USE test")
 	tk.MustExec("create table t(a int)")
 	tk.MustQuery("select /*+ unknown_hint(c1)*/ 1").Check(testkit.Rows("1"))
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 line 1 column 29 near \" 1\" (total length 31)"))
+	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 line 1 column 29 near \"select /*+ unknown_hint(c1)*/ 1\" (total length 31)"))
 	_, err := tk.Exec("select 1 from /*+ test1() */ t")
 	c.Assert(err, NotNil)
 }
diff --git a/go.mod b/go.mod
index 8c87769f48057..fcf325a9541d3 100644
--- a/go.mod
+++ b/go.mod
@@ -48,7 +48,7 @@ require (
 	github.com/pingcap/gofail v0.0.0-20181217135706-6a951c1e42c3
 	github.com/pingcap/goleveldb v0.0.0-20171020122428-b9ff6c35079e
 	github.com/pingcap/kvproto v0.0.0-20181203065228-c14302da291c
-	github.com/pingcap/parser v0.0.0-20190103131433-5d5a6dd34655
+	github.com/pingcap/parser v0.0.0-20190106063416-3483d83d44bd
 	github.com/pingcap/pd v2.1.0-rc.4+incompatible
 	github.com/pingcap/tidb-tools v2.1.1-0.20181218072513-b2235d442b06+incompatible
 	github.com/pingcap/tipb v0.0.0-20181012112600-11e33c750323
diff --git a/go.sum b/go.sum
index 49785cec81608..708d32b715daa 100644
--- a/go.sum
+++ b/go.sum
@@ -110,8 +110,8 @@ github.com/pingcap/goleveldb v0.0.0-20171020122428-b9ff6c35079e h1:P73/4dPCL96rG
 github.com/pingcap/goleveldb v0.0.0-20171020122428-b9ff6c35079e/go.mod h1:O17XtbryoCJhkKGbT62+L2OlrniwqiGLSqrmdHCMzZw=
 github.com/pingcap/kvproto v0.0.0-20181203065228-c14302da291c h1:Qf5St5XGwKgKQLar9lEXoeO0hJMVaFBj3JqvFguWtVg=
 github.com/pingcap/kvproto v0.0.0-20181203065228-c14302da291c/go.mod h1:Ja9XPjot9q4/3JyCZodnWDGNXt4pKemhIYCvVJM7P24=
-github.com/pingcap/parser v0.0.0-20190103131433-5d5a6dd34655 h1:nAGxJRuzO6T7mL/uAaOOZSVl9x+Vmy6cTYuzQjFDRw4=
-github.com/pingcap/parser v0.0.0-20190103131433-5d5a6dd34655/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA=
+github.com/pingcap/parser v0.0.0-20190106063416-3483d83d44bd h1:FWAAGBZWj5oL4XwYF3p2rfhMSH5JeApOyW2c7ggCsUY=
+github.com/pingcap/parser v0.0.0-20190106063416-3483d83d44bd/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA=
 github.com/pingcap/pd v2.1.0-rc.4+incompatible h1:/buwGk04aHO5odk/+O8ZOXGs4qkUjYTJ2UpCJXna8NE=
 github.com/pingcap/pd v2.1.0-rc.4+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E=
 github.com/pingcap/tidb-tools v2.1.1-0.20181218072513-b2235d442b06+incompatible h1:Bsd+NHosPVowEGB3BCx+2d8wUQGDTXSSC5ljeNS6cXo=