restore: don't restore auto id if the table doesn't has it. (pingcap#420

) (pingcap#720)

* cherry pick pingcap#420 to release-4.0

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>

* Update schema.go

Co-authored-by: 山岚 <36239017+YuJuncen@users.noreply.github.com>
Co-authored-by: 3pointer <luancheng@pingcap.com>

pkg/backup/client.go

@@ -292,8 +292,8 @@ func BuildBackupRangeAndSchema(
  switch {
  case tableInfo.IsSequence():
  globalAutoID, err = seqAlloc.NextGlobalAutoID(tableInfo.ID)
- case tableInfo.IsView():
- // no auto ID for views.
+ case tableInfo.IsView() || !utils.NeedAutoID(tableInfo):
+ // no auto ID for views or table without either rowID nor auto_increment ID.
  default:
  globalAutoID, err = idAlloc.NextGlobalAutoID(tableInfo.ID)
  }