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Merge pull request #13831 from prometheus/cherry-pick-13803

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Release 2.51: Cherry-pick #13803 bugfix for label_join
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Bartlomiej Plotka 2024-03-26 12:17:10 +01:00 committed by GitHub
commit d771cabc95
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3
promql/functions.go
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@ -1386,6 +1386,9 @@ func (ev *evaluator) evalLabelJoin(args parser.Expressions) (parser.Value, annot
} }
srcLabels[i-3] = src srcLabels[i-3] = src
} }
if !model.LabelName(dst).IsValid() {
panic(fmt.Errorf("invalid destination label name in label_join(): %s", dst))
}
val, ws := ev.eval(args[0]) val, ws := ev.eval(args[0])
matrix := val.(Matrix) matrix := val.(Matrix)