Fix error log when loading issues caused by a xorm bug (#7271)

* fix error log when loading issues caused by a xorm bug

* upgrade packages

* fix fmt

* fix Consistency

* fix tests

vendor/xorm.io/core/scan.go

@@ -0,0 +1,66 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package core
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"time"
+)
+
+type NullTime time.Time
+
+var (
+	_ driver.Valuer = NullTime{}
+)
+
+func (ns *NullTime) Scan(value interface{}) error {
+	if value == nil {
+		return nil
+	}
+	return convertTime(ns, value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullTime) Value() (driver.Value, error) {
+	if (time.Time)(ns).IsZero() {
+		return nil, nil
+	}
+	return (time.Time)(ns).Format("2006-01-02 15:04:05"), nil
+}
+
+func convertTime(dest *NullTime, src interface{}) error {
+	// Common cases, without reflect.
+	switch s := src.(type) {
+	case string:
+		t, err := time.Parse("2006-01-02 15:04:05", s)
+		if err != nil {
+			return err
+		}
+		*dest = NullTime(t)
+		return nil
+	case []uint8:
+		t, err := time.Parse("2006-01-02 15:04:05", string(s))
+		if err != nil {
+			return err
+		}
+		*dest = NullTime(t)
+		return nil
+	case time.Time:
+		*dest = NullTime(s)
+		return nil
+	case nil:
+	default:
+		return fmt.Errorf("unsupported driver -> Scan pair: %T -> %T", src, dest)
+	}
+	return nil
+}
+
+type EmptyScanner struct {
+}
+
+func (EmptyScanner) Scan(src interface{}) error {
+	return nil
+}