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https://git.mirrors.martin98.com/https://github.com/SigNoz/signoz
synced 2025-07-30 04:42:01 +08:00
118 lines
4.1 KiB
Go
118 lines
4.1 KiB
Go
package queues
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import (
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"fmt"
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"strings"
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v3 "go.signoz.io/signoz/pkg/query-service/model/v3"
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format "go.signoz.io/signoz/pkg/query-service/utils"
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)
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// generateOverviewSQL builds the ClickHouse SQL query with optional filters.
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// If a filter slice is empty, the query does not constrain on that field.
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func generateOverviewSQL(start, end int64, item []v3.FilterItem) string {
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// Convert from nanoseconds to float seconds in Go to avoid decimal overflow in ClickHouse
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startSeconds := float64(start) / 1e9
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endSeconds := float64(end) / 1e9
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timeRangeSecs := endSeconds - startSeconds
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tsBucketStart := startSeconds - 1800
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tsBucketEnd := endSeconds
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var whereClauses []string
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whereClauses = append(whereClauses, fmt.Sprintf("timestamp >= toDateTime64(%f, 9)", startSeconds))
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whereClauses = append(whereClauses, fmt.Sprintf("timestamp <= toDateTime64(%f, 9)", endSeconds))
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for _, filter := range item {
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switch filter.Key.Key {
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case "service.name":
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whereClauses = append(whereClauses, fmt.Sprintf("%s IN (%s)", "service_name", format.ClickHouseFormattedValue(filter.Value)))
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case "name":
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whereClauses = append(whereClauses, fmt.Sprintf("%s IN (%s)", "span_name", format.ClickHouseFormattedValue(filter.Value)))
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case "destination":
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whereClauses = append(whereClauses, fmt.Sprintf("%s IN (%s)", "destination", format.ClickHouseFormattedValue(filter.Value)))
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case "queue":
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whereClauses = append(whereClauses, fmt.Sprintf("%s IN (%s)", "messaging_system", format.ClickHouseFormattedValue(filter.Value)))
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case "kind_string":
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whereClauses = append(whereClauses, fmt.Sprintf("%s IN (%s)", "kind_string", format.ClickHouseFormattedValue(filter.Value)))
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}
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}
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// Combine all WHERE clauses with AND
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whereSQL := strings.Join(whereClauses, "\n AND ")
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if len(whereSQL) > 0 {
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whereSQL = fmt.Sprintf("AND %s", whereSQL)
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}
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query := fmt.Sprintf(`
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WITH
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processed_traces AS (
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SELECT
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resource_string_service$$name AS service_name,
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name AS span_name,
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CASE
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WHEN attribute_string_messaging$$system != '' THEN attribute_string_messaging$$system
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WHEN (has(attributes_string, 'celery.action') OR has(attributes_string, 'celery.task_name')) THEN 'celery'
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ELSE 'undefined'
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END AS messaging_system,
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kind_string,
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COALESCE(
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NULLIF(attributes_string['messaging.destination.name'], ''),
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NULLIF(attributes_string['messaging.destination'], '')
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) AS destination,
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durationNano,
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status_code
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FROM signoz_traces.distributed_signoz_index_v3
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WHERE
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ts_bucket_start >= toDateTime64(%f, 9)
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AND ts_bucket_start <= toDateTime64(%f, 9)
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AND (
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attribute_string_messaging$$system = 'kafka'
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OR has(attributes_string, 'celery.action')
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OR has(attributes_string, 'celery.task_name')
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)
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%s
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),
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aggregated_metrics AS (
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SELECT
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service_name,
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span_name,
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messaging_system,
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destination,
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kind_string,
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count(*) AS total_count,
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sumIf(1, status_code = 2) AS error_count,
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quantile(0.95)(durationNano) / 1000000 AS p95_latency -- Convert to ms
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FROM
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processed_traces
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GROUP BY
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service_name,
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span_name,
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messaging_system,
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destination,
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kind_string
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)
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SELECT
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aggregated_metrics.service_name,
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aggregated_metrics.span_name,
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aggregated_metrics.messaging_system,
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aggregated_metrics.destination,
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aggregated_metrics.kind_string,
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COALESCE(aggregated_metrics.total_count / %f, 0) AS throughput,
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COALESCE((aggregated_metrics.error_count * 100.0) / aggregated_metrics.total_count, 0) AS error_percentage,
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aggregated_metrics.p95_latency
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FROM
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aggregated_metrics
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ORDER BY
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aggregated_metrics.service_name,
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aggregated_metrics.span_name;
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`, tsBucketStart, tsBucketEnd,
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whereSQL, timeRangeSecs,
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)
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return query
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}
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