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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"crypto/sha1"
"fmt"
"xorm.io/xorm"
)
func hashContext(context string) string {
return fmt.Sprintf("%x", sha1.Sum([]byte(context)))
}
func addCommitStatusContext(x *xorm.Engine) error {
type CommitStatus struct {
ID int64 `xorm:"pk autoincr"`
ContextHash string `xorm:"char(40) index"`
Context string `xorm:"TEXT"`
}
if err := x.Sync2(new(CommitStatus)); err != nil {
return err
}
sess := x.NewSession()
defer sess.Close()
start := 0
for {
statuses := make([]*CommitStatus, 0, 100)
err := sess.OrderBy("id").Limit(100, start).Find(&statuses)
if err != nil {
return err
}
if len(statuses) == 0 {
break
}
if err = sess.Begin(); err != nil {
return err
}
for _, status := range statuses {
status.ContextHash = hashContext(status.Context)
if _, err := sess.ID(status.ID).Cols("context_hash").Update(status); err != nil {
return err
}
}
if err := sess.Commit(); err != nil {
return err
}
if len(statuses) < 100 {
break
}
start += len(statuses)
}
return nil
}
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