package migrate type Rev3 struct{} var GitHubEnterpriseSupport = &Rev3{} func (r *Rev3) Revision() int64 { return 201402211147 } func (r *Rev3) Up(op Operation) error { _, err := op.AddColumn("settings", "github_domain VARCHAR(255)") if err { return err } _, err = op.AddColumn("settings", "github_apiurl VARCHAR(255)") return err } func (r *Rev3) Down(op Operation) error { _, err := op.DropColumns("settings", []string{"github_domain", "github_apiurl"}) return err }