Function createLabelNamesRequest

pkg/querier/blocks_store_queryable.go:1112–1139

(minT, maxT, limit int64, blockIDs []ulid.ULID, matchers []storepb.LabelMatcher)

}

func createLabelNamesRequest(minT, maxT, limit int64, blockIDs []ulid.ULID, matchers []storepb.LabelMatcher) (*storepb.LabelNamesRequest, error) {
	req := &storepb.LabelNamesRequest{
		Start:    minT,
		End:      maxT,
		Limit:    limit,
		Matchers: matchers,
	}

	// Selectively query only specific blocks.
	hints := &hintspb.LabelNamesRequestHints{
		BlockMatchers: []storepb.LabelMatcher{
			{
				Type:  storepb.LabelMatcher_RE,
				Name:  block.BlockIDLabel,
				Value: strings.Join(convertULIDsToString(blockIDs), "|"),
			},
		},
	}

	anyHints, err := types.MarshalAny(hints)
	if err != nil {
		return nil, errors.Wrapf(err, "failed to marshal label names request hints")
	}

	req.Hints = anyHints

	return req, nil
}

func createLabelValuesRequest(minT, maxT, limit int64, label string, blockIDs []ulid.ULID, matchers ...*labels.Matcher) (*storepb.LabelValuesRequest, error) {
	req := &storepb.LabelValuesRequest{