| 343 | } |
| 344 | |
| 345 | func (q *blocksStoreQuerier) LabelNames(ctx context.Context, hints *storage.LabelHints, matchers ...*labels.Matcher) ([]string, annotations.Annotations, error) { |
| 346 | userID, err := users.TenantID(ctx) |
| 347 | if err != nil { |
| 348 | return nil, nil, err |
| 349 | } |
| 350 | |
| 351 | spanLog, spanCtx := spanlogger.New(ctx, "blocksStoreQuerier.LabelNames") |
| 352 | defer spanLog.Finish() |
| 353 | |
| 354 | minT, maxT, limit := q.minT, q.maxT, int64(0) |
| 355 | |
| 356 | if hints != nil { |
| 357 | limit = int64(hints.Limit) |
| 358 | } |
| 359 | |
| 360 | var ( |
| 361 | resMtx sync.Mutex |
| 362 | resNameSets = [][]string{} |
| 363 | resWarnings = annotations.Annotations(nil) |
| 364 | convertedMatchers = convertMatchersToLabelMatcher(matchers) |
| 365 | ) |
| 366 | |
| 367 | queryFunc := func(clients map[BlocksStoreClient][]ulid.ULID, minT, maxT int64) ([]ulid.ULID, error, error) { |
| 368 | nameSets, warnings, queriedBlocks, err, retryableError := q.fetchLabelNamesFromStore(spanCtx, userID, clients, minT, maxT, limit, convertedMatchers) |
| 369 | if err != nil { |
| 370 | return nil, err, retryableError |
| 371 | } |
| 372 | |
| 373 | resMtx.Lock() |
| 374 | resNameSets = append(resNameSets, nameSets...) |
| 375 | resWarnings.Merge(warnings) |
| 376 | resMtx.Unlock() |
| 377 | |
| 378 | return queriedBlocks, nil, retryableError |
| 379 | } |
| 380 | |
| 381 | if err := q.queryWithConsistencyCheck(spanCtx, spanLog, minT, maxT, matchers, userID, queryFunc); err != nil { |
| 382 | return nil, nil, err |
| 383 | } |
| 384 | |
| 385 | return strutil.MergeSlices(int(limit), resNameSets...), resWarnings, nil |
| 386 | } |
| 387 | |
| 388 | func (q *blocksStoreQuerier) LabelValues(ctx context.Context, name string, hints *storage.LabelHints, matchers ...*labels.Matcher) ([]string, annotations.Annotations, error) { |
| 389 | userID, err := users.TenantID(ctx) |