fix comment

Author: darren

AUTHORS

@@ -34,6 +34,7 @@ Hajime Nakagami <nakagami at gmail.com>
 Hanno Braun <mail at hannobraun.com>
 Henri Yandell <flamefew at gmail.com>
 Hirotaka Yamamoto <ymmt2005 at gmail.com>
+Huyiguang <[email protected]>
 ICHINOSE Shogo <shogo82148 at gmail.com>
 INADA Naoki <songofacandy at gmail.com>
 Jacek Szwec <szwec.jacek at gmail.com>

statement.go

@@ -163,14 +163,8 @@ func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
 		}
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 		return rv.Int(), nil
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
-		return int64(rv.Uint()), nil
-	case reflect.Uint64:
-		u64 := rv.Uint()
-		if u64 >= 1<<63 {
-			return u64, nil
-		}
-		return int64(u64), nil
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return rv.Uint(), nil
 	case reflect.Float32, reflect.Float64:
 		return rv.Float(), nil
 	case reflect.Bool:

statement_test.go

@@ -110,7 +110,7 @@ func TestConvertUnsignedIntegers(t *testing.T) {
 			t.Fatalf("%T type not convertible %s", value, err)
 		}
 
-		if output != int64(42) {
+		if output != uint64(42) {
 			t.Fatalf("%T type not converted, got %#v %T", value, output, output)
 		}
 	}