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Check storage.ErrNotFound in labelValuesFromSeries

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I'm not very comfortable with using an equality check on errors, but I'm
copying the same code from Prometheus:

f711d71aa8/tsdb/querier.go (L532-L533)

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
This commit is contained in:
Oleg Zaytsev 2023-09-06 18:48:49 +02:00
parent 002ae0aa1d
commit 88ad42fb38
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4
tsdb/querier.go
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@ -434,6 +434,10 @@ func labelValuesFromSeries(r IndexReader, labelName string, refs []storage.Serie
var builder labels.ScratchBuilder
for _, ref := range refs {
err := r.Series(ref, &builder, nil)
// Postings may be stale. Skip if no underlying series exists.
if errors.Cause(err) == storage.ErrNotFound {
continue
}
if err != nil {
return nil, errors.Wrapf(err, "label values for label %s", labelName)
}