// Insert a new document, and assign a UID to it,
func (col *Col) InsertWithUID(doc interface{}) (newID uint64, newUID string, err error) {
newUID = uid.NextUID()
if docMap, ok := doc.(map[string]interface{}); !ok {
err = errors.New("Only JSON object document may have UID")
return
} else {
docMap["_uid"] = newUID
newID, err = col.Insert(doc)
return
}
}
// Give a document (identified by ID) a new UID.
func (col *Col) ReassignUID(id uint64) (newID uint64, newUID string, err error) {
newUID = uid.NextUID()
var originalDoc interface{}
if err = col.Read(id, &originalDoc); err != nil {
return
}
if docWithUID, ok := originalDoc.(map[string]interface{}); !ok {
err = errors.New("Only JSON object document may have UID")
return
} else {
docWithUID["_uid"] = newUID
newID, err = col.Update(id, docWithUID)
return
}
}