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app/vmselect/promql: remove metric name after applying clamp_min and clamp_max functions in order to be consistent with Prometheus

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This improves VictoriaMetrics score at https://promlabs.com/promql-compliance-test-results-victoriametrics/
This commit is contained in:
Aliaksandr Valialkin 2020-08-06 23:42:14 +03:00
parent 01000505a0
commit 7f93d61a56
2 changed files with 1 additions and 12 deletions
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2
app/vmselect/promql/exec_test.go
View File

@ -645,7 +645,6 @@ func TestExecSuccess(t *testing.T) {
Values: []float64{1000, 1200, 1400, 1400, 1400, 1400},
Timestamps: timestampsExpected,
}
r.MetricName.MetricGroup = []byte("foobar")
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})
@ -657,7 +656,6 @@ func TestExecSuccess(t *testing.T) {
Values: []float64{1000, 1200, 1400, 1400, 1400, 1400},
Timestamps: timestampsExpected,
}
r.MetricName.MetricGroup = []byte("foobar")
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})

11
app/vmselect/promql/transform.go
View File

@ -17,11 +17,6 @@ import (
"github.com/valyala/histogram"
)
var transformFuncsKeepMetricGroup = map[string]bool{
"clamp_max": true,
"clamp_min": true,
}
var transformFuncs = map[string]transformFunc{
// Standard promql funcs
// See funcs accepting instant-vector on https://prometheus.io/docs/prometheus/latest/querying/functions/ .
@ -130,12 +125,8 @@ func newTransformFuncOneArg(tf func(v float64) float64) transformFunc {
}
func doTransformValues(arg []*timeseries, tf func(values []float64), fe *metricsql.FuncExpr) ([]*timeseries, error) {
name := strings.ToLower(fe.Name)
keepMetricGroup := transformFuncsKeepMetricGroup[name]
for _, ts := range arg {
if !keepMetricGroup {
ts.MetricName.ResetMetricGroup()
}
ts.MetricName.ResetMetricGroup()
tf(ts.Values)
}
return arg, nil