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Implement sumSeries

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This commit is contained in:
Alexander Zobnin
2021-05-26 17:35:01 +03:00
parent 5d3433aef5
commit b07a226574
2 changed files with 147 additions and 22 deletions
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37
pkg/datasource/functions.go
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@@ -35,6 +35,7 @@ func init() {
aggFuncMap = map[string]AggDataProcessingFunc{
"aggregateBy": applyAggregateBy,
"sumSeries": applySumSeries,
}
// Functions processing on the frontend
@@ -84,21 +85,6 @@ func applyGroupBy(series timeseries.TimeSeries, params ...string) (timeseries.Ti
return s, nil
}
func applyAggregateBy(series []*timeseries.TimeSeriesData, params ...string) ([]*timeseries.TimeSeriesData, error) {
pInterval := params[0]
pAgg := params[1]
interval, err := gtime.ParseInterval(pInterval)
if err != nil {
return nil, errParsingFunctionParam(err)
}
aggFunc := getAggFunc(pAgg)
aggregatedSeries := timeseries.AggregateBy(series, interval, aggFunc)
aggregatedSeries.Meta.Name = fmt.Sprintf("aggregateBy(%s, %s)", pInterval, pAgg)
return []*timeseries.TimeSeriesData{aggregatedSeries}, nil
}
func applyScale(series timeseries.TimeSeries, params ...string) (timeseries.TimeSeries, error) {
pFactor := params[0]
factor, err := strconv.ParseFloat(pFactor, 64)
@@ -121,6 +107,27 @@ func applyOffset(series timeseries.TimeSeries, params ...string) (timeseries.Tim
return series.Transform(transformFunc), nil
}
func applyAggregateBy(series []*timeseries.TimeSeriesData, params ...string) ([]*timeseries.TimeSeriesData, error) {
pInterval := params[0]
pAgg := params[1]
interval, err := gtime.ParseInterval(pInterval)
if err != nil {
return nil, errParsingFunctionParam(err)
}
aggFunc := getAggFunc(pAgg)
aggregatedSeries := timeseries.AggregateBy(series, interval, aggFunc)
aggregatedSeries.Meta.Name = fmt.Sprintf("aggregateBy(%s, %s)", pInterval, pAgg)
return []*timeseries.TimeSeriesData{aggregatedSeries}, nil
}
func applySumSeries(series []*timeseries.TimeSeriesData, params ...string) ([]*timeseries.TimeSeriesData, error) {
sum := timeseries.SumSeries(series)
sum.Meta.Name = "sumSeries()"
return []*timeseries.TimeSeriesData{sum}, nil
}
func getAggFunc(agg string) timeseries.AggFunc {
switch agg {
case "avg":