signoz/pkg/querier/querier.go
2025-05-27 20:54:48 +05:30

97 lines
3.6 KiB
Go

package querier
import (
"context"
"github.com/SigNoz/signoz/pkg/errors"
"github.com/SigNoz/signoz/pkg/prometheus"
"github.com/SigNoz/signoz/pkg/telemetrystore"
"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
)
type querier struct {
telemetryStore telemetrystore.TelemetryStore
metadataStore telemetrytypes.MetadataStore
promEngine prometheus.Prometheus
traceStmtBuilder qbtypes.StatementBuilder[qbtypes.TraceAggregation]
logStmtBuilder qbtypes.StatementBuilder[qbtypes.LogAggregation]
metricStmtBuilder qbtypes.StatementBuilder[qbtypes.MetricAggregation]
}
func NewQuerier(
telemetryStore telemetrystore.TelemetryStore,
metadataStore telemetrytypes.MetadataStore,
promEngine prometheus.Prometheus,
traceStmtBuilder qbtypes.StatementBuilder[qbtypes.TraceAggregation],
logStmtBuilder qbtypes.StatementBuilder[qbtypes.LogAggregation],
metricStmtBuilder qbtypes.StatementBuilder[qbtypes.MetricAggregation],
) *querier {
return &querier{
telemetryStore: telemetryStore,
metadataStore: metadataStore,
promEngine: promEngine,
traceStmtBuilder: traceStmtBuilder,
logStmtBuilder: logStmtBuilder,
metricStmtBuilder: metricStmtBuilder,
}
}
func (q *querier) QueryRange(ctx context.Context, orgID string, req *qbtypes.QueryRangeRequest) (*qbtypes.QueryRangeResponse, error) {
queries := make(map[string]qbtypes.Query)
for _, query := range req.CompositeQuery.Queries {
switch query.Type {
case qbtypes.QueryTypePromQL:
promQuery, ok := query.Spec.(qbtypes.PromQuery)
if !ok {
return nil, errors.NewInvalidInputf(errors.CodeInvalidInput, "invalid promql query spec %T", query.Spec)
}
promqlQuery := newPromqlQuery(q.promEngine, promQuery, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)
queries[query.Name] = promqlQuery
case qbtypes.QueryTypeClickHouseSQL:
chQuery, ok := query.Spec.(qbtypes.ClickHouseQuery)
if !ok {
return nil, errors.NewInvalidInputf(errors.CodeInvalidInput, "invalid clickhouse query spec %T", query.Spec)
}
chSQLQuery := newchSQLQuery(q.telemetryStore, chQuery, nil, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)
queries[query.Name] = chSQLQuery
case qbtypes.QueryTypeBuilder:
switch spec := query.Spec.(type) {
case qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]:
bq := newBuilderQuery(q.telemetryStore, q.traceStmtBuilder, spec, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)
queries[query.Name] = bq
case qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]:
bq := newBuilderQuery(q.telemetryStore, q.logStmtBuilder, spec, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)
queries[query.Name] = bq
case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
bq := newBuilderQuery(q.telemetryStore, q.metricStmtBuilder, spec, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)
queries[query.Name] = bq
default:
return nil, errors.NewInvalidInputf(errors.CodeInvalidInput, "unsupported builder spec type %T", query.Spec)
}
}
}
return q.run(ctx, orgID, queries, req.RequestType)
}
func (q *querier) run(ctx context.Context, _ string, qs map[string]qbtypes.Query, kind qbtypes.RequestType) (*qbtypes.QueryRangeResponse, error) {
results := make([]*qbtypes.Result, 0, len(qs))
for _, query := range qs {
// TODO: run in controlled batches
result, err := query.Execute(ctx)
if err != nil {
return nil, err
}
results = append(results, result)
}
return &qbtypes.QueryRangeResponse{
Type: kind,
Data: results,
}, nil
}