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Address PR feedback: clarify comment

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Signed-off-by: Charles Korn <charles.korn@grafana.com>
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Charles Korn 2023-08-01 13:17:49 +10:00
parent fb3935e8f9
commit 6087c555ed
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1 changed files with 3 additions and 2 deletions
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5
promql/engine.go
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@ -1839,8 +1839,9 @@ func (ev *evaluator) rangeEvalTimestampFunctionOverVectorSelector(vs *parser.Vec
return ev.rangeEval(nil, func(v []parser.Value, _ [][]EvalSeriesHelper, enh *EvalNodeHelper) (Vector, storage.Warnings) {
if vs.Timestamp != nil {
// This is a special case only for "timestamp" since the offset
// needs to be adjusted for every point.
// This is a special case for "timestamp()" when the @ modifier is used, to ensure that
// we return a point for each time step in this case.
// See https://github.com/prometheus/prometheus/issues/8433.
vs.Offset = time.Duration(enh.Ts-*vs.Timestamp) * time.Millisecond
}