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Migration fixes for gogs (0.11.66) to gitea (1.6.0) #5318 (#5341)

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* Remove field from migration to support upgrades from older version

That will ensure the field does not get queried in the Select if it does
not exist yet:

```
[I] [SQL] SELECT "id", "repo_id", "index", "poster_id", "name", "content", "milestone_id", "priority", "assignee_id", "is_closed", "is_pull", "num_comments", "ref", "deadline_unix", "created_unix", "updated_unix
[...itea/routers/init.go:60 GlobalInit()] [E] Failed to initialize ORM engine: migrate: do migrate: pq: column "ref" does not exist
```

see #5318

* Skip remove stale watcher migration if not required

Otherwise the migration will fail if executed from a older database
version without multiple IssueWatch feature.

```
2018/11/11 23:51:14 [I] [SQL] SELECT DISTINCT "issue_watch"."user_id", "issue"."repo_id" FROM "issue_watch" INNER JOIN issue ON issue_watch.issue_id = issue.id WHERE (issue_watch.is_watching = $1) LIMIT 50 []int
[...itea/routers/init.go:60 GlobalInit()] [E] Failed to initialize ORM engine: migrate: do migrate: pq: relation "issue_watch" does not exist
```

see #5318
This commit is contained in:
Florian Eitel 2018-11-18 19:25:32 +01:00 committed by Lauris BH
parent 241ee793b7
commit d9b51a781c
2 changed files with 9 additions and 1 deletions
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1
models/migrations/v64.go
View file

@ -26,7 +26,6 @@ func addMultipleAssignees(x *xorm.Engine) error {
IsClosed bool `xorm:"INDEX"`
IsPull bool `xorm:"INDEX"` // Indicates whether is a pull request or not.
NumComments int
Ref string
DeadlineUnix util.TimeStamp `xorm:"INDEX"`
CreatedUnix util.TimeStamp `xorm:"INDEX created"`

9
models/migrations/v67.go
View file

@ -5,6 +5,8 @@
package migrations
import (
"fmt"
"code.gitea.io/gitea/modules/setting"
"github.com/go-xorm/xorm"
@ -70,6 +72,13 @@ func removeStaleWatches(x *xorm.Engine) error {
return err
}
var issueWatch IssueWatch
if exist, err := sess.IsTableExist(&issueWatch); err != nil {
return fmt.Errorf("IsExist IssueWatch: %v", err)
} else if !exist {
return nil
}
repoCache := make(map[int64]*Repository)
err := x.BufferSize(setting.IterateBufferSize).Iterate(new(Watch),
func(idx int, bean interface{}) error {