(ctx context.Context, src *api.TxnContext)
| 339 | } |
| 340 | |
| 341 | func (s *Server) commit(ctx context.Context, src *api.TxnContext) error { |
| 342 | span := trace.SpanFromContext(ctx) |
| 343 | span.SetAttributes(attribute.Int64("startTs", int64(src.StartTs))) |
| 344 | if src.Aborted { |
| 345 | return s.proposeTxn(ctx, src) |
| 346 | } |
| 347 | |
| 348 | // Use the start timestamp to check if we have a conflict, before we need to assign a commit ts. |
| 349 | s.orc.RLock() |
| 350 | conflict := s.orc.hasConflict(src) |
| 351 | s.orc.RUnlock() |
| 352 | if conflict { |
| 353 | span.SetAttributes(attribute.Bool("abort", true)) |
| 354 | src.Aborted = true |
| 355 | return s.proposeTxn(ctx, src) |
| 356 | } |
| 357 | |
| 358 | checkPreds := func() error { |
| 359 | // Check if any of these tablets is being moved. If so, abort the transaction. |
| 360 | for _, pkey := range src.Preds { |
| 361 | splits := strings.SplitN(pkey, "-", 2) |
| 362 | if len(splits) < 2 { |
| 363 | return errors.Errorf("Unable to find group id in %s", pkey) |
| 364 | } |
| 365 | gid, err := strconv.Atoi(splits[0]) |
| 366 | if err != nil { |
| 367 | return errors.Wrapf(err, "unable to parse group id from %s", pkey) |
| 368 | } |
| 369 | pred := splits[1] |
| 370 | if strings.Contains(pred, hnsw.VecKeyword) { |
| 371 | pred = pred[0:strings.Index(pred, hnsw.VecKeyword)] |
| 372 | } |
| 373 | tablet := s.ServingTablet(pred) |
| 374 | if tablet == nil { |
| 375 | return errors.Errorf("Tablet for %s is nil", pred) |
| 376 | } |
| 377 | if tablet.GroupId != uint32(gid) { |
| 378 | return errors.Errorf("Mutation done in group: %d. Predicate %s assigned to %d", |
| 379 | gid, pred, tablet.GroupId) |
| 380 | } |
| 381 | if s.isBlocked(pred) { |
| 382 | return errors.Errorf("Commits on predicate %s are blocked due to predicate move", pred) |
| 383 | } |
| 384 | } |
| 385 | return nil |
| 386 | } |
| 387 | if err := checkPreds(); err != nil { |
| 388 | span.SetAttributes(attribute.Bool("abort", true)) |
| 389 | src.Aborted = true |
| 390 | return s.proposeTxn(ctx, src) |
| 391 | } |
| 392 | |
| 393 | num := pb.Num{Val: 1, Type: pb.Num_TXN_TS} |
| 394 | assigned, err := s.lease(ctx, &num) |
| 395 | if err != nil { |
| 396 | return err |
| 397 | } |
| 398 | src.CommitTs = assigned.StartId |
no test coverage detected