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