From 8f4790625def4a738189a809c267900ecbf2ee70 Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@gmail.com>
Date: Thu, 6 Jun 2019 17:07:28 +0300
Subject: [PATCH] app/vmselect/promql: return the correct time series from
`quantile`
Previously arbitrary time series could be returned from `quantile`
depending on sort order for the last data point in the selected range.
Fix this by returning the calculated time series.
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/55
---
app/vmselect/promql/aggr.go | 1 +
1 file changed, 1 insertion(+)
diff --git a/app/vmselect/promql/aggr.go b/app/vmselect/promql/aggr.go
index 2ccbbbc47c..6950e26153 100644
--- a/app/vmselect/promql/aggr.go
+++ b/app/vmselect/promql/aggr.go
@@ -457,6 +457,7 @@ func newAggrQuantileFunc(phis []float64) func(tss []*timeseries) []*timeseries {
idx := int(math.Round(float64(len(tss)-1) * phi))
dst.Values[n] = tss[idx].Values[n]
}
+ tss[0] = dst
return tss[:1]
}
}