logs-analyzer/signoz/pkg/query-service/app/metrics/v4/cumulative/table.go

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2024-09-02 22:47:30 +03:00
package cumulative
import (
"fmt"
"go.signoz.io/signoz/pkg/query-service/app/metrics/v4/helpers"
v3 "go.signoz.io/signoz/pkg/query-service/model/v3"
)
// PrepareMetricQueryCumulativeTable prepares the query to be used for fetching metrics
func PrepareMetricQueryCumulativeTable(start, end, step int64, mq *v3.BuilderQuery) (string, error) {
var query string
temporalAggSubQuery, err := prepareTimeAggregationSubQuery(start, end, step, mq)
if err != nil {
return "", err
}
groupBy := helpers.GroupingSetsByAttributeKeyTags(mq.GroupBy...)
orderBy := helpers.OrderByAttributeKeyTags(mq.OrderBy, mq.GroupBy)
selectLabels := helpers.GroupByAttributeKeyTags(mq.GroupBy...)
queryTmpl :=
"SELECT %s," +
" %s as value" +
" FROM (%s)" +
" WHERE isNaN(per_series_value) = 0" +
" GROUP BY %s" +
" ORDER BY %s"
switch mq.SpaceAggregation {
case v3.SpaceAggregationAvg:
op := "avg(per_series_value)"
query = fmt.Sprintf(queryTmpl, selectLabels, op, temporalAggSubQuery, groupBy, orderBy)
case v3.SpaceAggregationSum:
op := "sum(per_series_value)"
query = fmt.Sprintf(queryTmpl, selectLabels, op, temporalAggSubQuery, groupBy, orderBy)
case v3.SpaceAggregationMin:
op := "min(per_series_value)"
query = fmt.Sprintf(queryTmpl, selectLabels, op, temporalAggSubQuery, groupBy, orderBy)
case v3.SpaceAggregationMax:
op := "max(per_series_value)"
query = fmt.Sprintf(queryTmpl, selectLabels, op, temporalAggSubQuery, groupBy, orderBy)
case v3.SpaceAggregationCount:
op := "count(per_series_value)"
query = fmt.Sprintf(queryTmpl, selectLabels, op, temporalAggSubQuery, groupBy, orderBy)
}
return query, nil
}