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Document that NewMergeSeriesSet expects individual sets to be sorted. (#6718)

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Signed-off-by: Peter Štibraný <peter.stibrany@grafana.com>
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Peter Štibraný 2020-01-30 15:00:32 +01:00 committed by GitHub
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storage/fanout.go
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@ -388,6 +388,8 @@ type mergeSeriesSet struct {
// NewMergeSeriesSet returns a new series set that merges (deduplicates)
// series returned by the input series sets when iterating.
// Each input series set must return its series in labels order, otherwise
// merged series set will be incorrect.
func NewMergeSeriesSet(sets []SeriesSet, querier *mergeQuerier) SeriesSet {
if len(sets) == 1 {
return sets[0]