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Implement unary negation for native histograms

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Signed-off-by: Charles Korn <charles.korn@grafana.com>
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Charles Korn 2024-09-04 16:20:47 +10:00
parent 113de6301c
commit 9852855084
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1 changed files with 3 additions and 0 deletions
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3
promql/engine.go
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@ -1799,6 +1799,9 @@ func (ev *evaluator) eval(expr parser.Expr) (parser.Value, annotations.Annotatio
for j := range mat[i].Floats { for j := range mat[i].Floats {
mat[i].Floats[j].F = -mat[i].Floats[j].F mat[i].Floats[j].F = -mat[i].Floats[j].F
} }
for j := range mat[i].Histograms {
mat[i].Histograms[j].H = mat[i].Histograms[j].H.Copy().Mul(-1)
}
} }
if !ev.enableDelayedNameRemoval && mat.ContainsSameLabelset() { if !ev.enableDelayedNameRemoval && mat.ContainsSameLabelset() {
ev.errorf("vector cannot contain metrics with the same labelset") ev.errorf("vector cannot contain metrics with the same labelset")