From 8745eae66894eeeccdc746ca2d2b0b6abbc48dfd Mon Sep 17 00:00:00 2001
From: imtbkcat <songlingyu@pingcap.com>
Date: Tue, 2 Jul 2019 17:48:46 +0800
Subject: [PATCH] address comment

---
 ast/misc.go | 10 +++++-----
 parser.go   |  4 ++--
 parser.y    |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/ast/misc.go b/ast/misc.go
index 7916a52b9..a91bde03e 100755
--- a/ast/misc.go
+++ b/ast/misc.go
@@ -2029,15 +2029,15 @@ func (n *TableOptimizerHint) Accept(v Visitor) (Node, bool) {
 	return v.Leave(n)
 }
 
-// NewDecimal creates a types.Decimal value, it's provided by parser driver.
-var NewDecimal func(string) (interface{}, error)
-
 type BinaryLiteral interface {
 	ToString() string
 }
 
+// NewDecimal creates a types.Decimal value, it's provided by parser driver.
+var NewDecimal func(string) (interface{}, error)
+
 // NewHexLiteral creates a types.HexLiteral value, it's provided by parser driver.
-var NewHexLiteral func(string) (BinaryLiteral, error)
+var NewHexLiteral func(string) (interface{}, error)
 
 // NewBitLiteral creates a types.BitLiteral value, it's provided by parser driver.
-var NewBitLiteral func(string) (BinaryLiteral, error)
+var NewBitLiteral func(string) (interface{}, error)
diff --git a/parser.go b/parser.go
index 0e7363595..39ce29dd7 100644
--- a/parser.go
+++ b/parser.go
@@ -14542,12 +14542,12 @@ yynewstate:
 	case 1634:
 		{
 			h, _ := ast.NewHexLiteral(yyS[yypt-0].item.(string))
-			parser.yyVAL.item = h.ToString()
+			parser.yyVAL.item = (h.(ast.BinaryLiteral)).ToString()
 		}
 	case 1635:
 		{
 			b, _ := ast.NewBitLiteral(yyS[yypt-0].item.(string))
-			parser.yyVAL.item = b.ToString()
+			parser.yyVAL.item = (b.(ast.BinaryLiteral)).ToString()
 		}
 	case 1636:
 		{
diff --git a/parser.y b/parser.y
index 033b3c54f..3e704a80b 100644
--- a/parser.y
+++ b/parser.y
@@ -8894,12 +8894,12 @@ FieldTerminator:
 |	hexLit
 	{
 		h, _ := ast.NewHexLiteral($1.(string))
-		$$ = h.ToString()
+		$$ = (h.(ast.BinaryLiteral)).ToString()
 	}
 |	bitLit
 	{
 		b, _ := ast.NewBitLiteral($1.(string))
-		$$ = b.ToString()
+		$$ = (b.(ast.BinaryLiteral)).ToString()
 	}
 
 Lines: