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fix rollupOpen(), rollupHigh(), rollupLow() functions (#328)

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This commit is contained in:
Yaroslav 2020-02-23 18:01:53 +02:00 committed by Aliaksandr Valialkin
parent 7ee7614e90
commit c69d4b01f0
1 changed files with 9 additions and 18 deletions
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23
app/vmselect/promql/rollup.go
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@ -1435,12 +1435,9 @@ func getCandlestickValues(rfa *rollupFuncArg) []float64 {
}
func rollupOpen(rfa *rollupFuncArg) float64 {
if !math.IsNaN(rfa.prevValue) {
return rfa.prevValue
}
values := getCandlestickValues(rfa)
if len(values) == 0 {
return nan
return rfa.prevValue
}
return values[0]
}
@ -1455,14 +1452,11 @@ func rollupClose(rfa *rollupFuncArg) float64 {
func rollupHigh(rfa *rollupFuncArg) float64 {
values := getCandlestickValues(rfa)
max := rfa.prevValue
if math.IsNaN(max) {
if len(values) == 0 {
return nan
return rfa.prevValue
}
max = values[0]
}
for _, v := range values {
max := values[0]
for _, v := range values[1:] {
if v > max {
max = v
}
@ -1472,14 +1466,11 @@ func rollupHigh(rfa *rollupFuncArg) float64 {
func rollupLow(rfa *rollupFuncArg) float64 {
values := getCandlestickValues(rfa)
min := rfa.prevValue
if math.IsNaN(min) {
if len(values) == 0 {
return nan
return rfa.prevValue
}
min = values[0]
}
for _, v := range values {
min := values[0]
for _, v := range values[1:] {
if v < min {
min = v
}