support atomic renaming for mysql/postgres filer store

2019-03-30 23:08:29 -07:00
parent 920b4e56aa
commit 97406333a5
17 changed files with 517 additions and 285 deletions
--- a/weed/filer2/filerstore.go
+++ b/weed/filer2/filerstore.go
@@ -17,6 +17,10 @@ type FilerStore interface {
 	FindEntry(context.Context, FullPath) (entry *Entry, err error)
 	DeleteEntry(context.Context, FullPath) (err error)
 	ListDirectoryEntries(ctx context.Context, dirPath FullPath, startFileName string, includeStartFile bool, limit int) ([]*Entry, error)
+
+	BeginTransaction(ctx context.Context) (context.Context, error)
+	CommitTransaction(ctx context.Context) error
+	RollbackTransaction(ctx context.Context) error
 }

 var ErrNotFound = errors.New("filer: no entry is found in filer store")