Upgrade xorm to v1.0.0 (#10646)

* Upgrade xorm to v1.0.0

* small nit

* Fix tests

* Update xorm

* Update xorm

* fix go.sum

* fix test

* Fix bug when dump

* Fix bug

* update xorm to latest

* Fix migration test

* update xorm to latest

* Fix import order

* Use xorm tag

vendor/xorm.io/xorm/schemas/pk.go

@@ -0,0 +1,41 @@
+// 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 schemas
+
+import (
+	"bytes"
+	"encoding/gob"
+
+	"xorm.io/xorm/internal/utils"
+)
+
+type PK []interface{}
+
+func NewPK(pks ...interface{}) *PK {
+	p := PK(pks)
+	return &p
+}
+
+func (p *PK) IsZero() bool {
+	for _, k := range *p {
+		if utils.IsZero(k) {
+			return true
+		}
+	}
+	return false
+}
+
+func (p *PK) ToString() (string, error) {
+	buf := new(bytes.Buffer)
+	enc := gob.NewEncoder(buf)
+	err := enc.Encode(*p)
+	return buf.String(), err
+}
+
+func (p *PK) FromString(content string) error {
+	dec := gob.NewDecoder(bytes.NewBufferString(content))
+	err := dec.Decode(p)
+	return err
+}