Merge branch 'main' into query-range-v5-openapi-spec

ee/query-service/app/api/api.go

@@ -9,7 +9,9 @@ import (
 	"github.com/SigNoz/signoz/ee/query-service/integrations/gateway"
 	"github.com/SigNoz/signoz/ee/query-service/usage"
 	"github.com/SigNoz/signoz/pkg/alertmanager"
+	"github.com/SigNoz/signoz/pkg/apis/fields"
 	"github.com/SigNoz/signoz/pkg/global"
+	"github.com/SigNoz/signoz/pkg/http/handler"
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	querierAPI "github.com/SigNoz/signoz/pkg/querier"
 	baseapp "github.com/SigNoz/signoz/pkg/query-service/app"
@@ -21,6 +23,8 @@ import (
 	rules "github.com/SigNoz/signoz/pkg/query-service/rules"
 	"github.com/SigNoz/signoz/pkg/queryparser"
 	"github.com/SigNoz/signoz/pkg/signoz"
+	"github.com/SigNoz/signoz/pkg/types/ctxtypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/version"
 	"github.com/gorilla/mux"
 )
@@ -55,6 +59,7 @@ func NewAPIHandler(opts APIHandlerOptions, signoz *signoz.SigNoz) (*APIHandler,
 		FluxInterval:                  opts.FluxInterval,
 		AlertmanagerAPI:               alertmanager.NewAPI(signoz.Alertmanager),
 		LicensingAPI:                  httplicensing.NewLicensingAPI(signoz.Licensing),
+		FieldsAPI:                     fields.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.TelemetryStore),
 		Signoz:                        signoz,
 		QuerierAPI:                    querierAPI.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.Querier, signoz.Analytics),
 		QueryParserAPI:                queryparser.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.QueryParser),
@@ -106,7 +111,22 @@ func (ah *APIHandler) RegisterRoutes(router *mux.Router, am *middleware.AuthZ) {
 	router.HandleFunc("/api/v4/query_range", am.ViewAccess(ah.queryRangeV4)).Methods(http.MethodPost)
 
 	// v5
-	router.HandleFunc("/api/v5/query_range", am.ViewAccess(ah.queryRangeV5)).Methods(http.MethodPost)
+	router.Handle("/api/v5/query_range", handler.New(am.ViewAccess(ah.queryRangeV5), handler.OpenAPIDef{
+		ID:                 "QueryRangeV5",
+		Tags:               []string{"query"},
+		Summary:            "Query range",
+		Description:        "Execute a composite query over a time range. Supports builder queries (traces, logs, metrics), formulas, joins, trace operators, PromQL, and ClickHouse SQL.",
+		Request:            new(qbtypes.QueryRangeRequest),
+		RequestContentType: "application/json",
+		Response:           new(qbtypes.QueryRangeResponse),
+		ResponseContentType: "application/json",
+		SuccessStatusCode:  http.StatusOK,
+		ErrorStatusCodes:   []int{http.StatusBadRequest},
+		SecuritySchemes: []handler.OpenAPISecurityScheme{
+			{Name: ctxtypes.AuthTypeAPIKey.StringValue(), Scopes: []string{"VIEWER"}},
+			{Name: ctxtypes.AuthTypeTokenizer.StringValue(), Scopes: []string{"VIEWER"}},
+		},
+	})).Methods(http.MethodPost)
 
 	router.HandleFunc("/api/v5/substitute_vars", am.ViewAccess(ah.QuerierAPI.ReplaceVariables)).Methods(http.MethodPost)
 

ee/query-service/app/server.go

@@ -237,6 +237,7 @@ func (s *Server) createPublicServer(apiHandler *api.APIHandler, web web.Web) (*h
 	apiHandler.RegisterLogsRoutes(r, am)
 	apiHandler.RegisterIntegrationRoutes(r, am)
 	apiHandler.RegisterCloudIntegrationsRoutes(r, am)
+	apiHandler.RegisterFieldsRoutes(r, am)
 	apiHandler.RegisterQueryRangeV3Routes(r, am)
 	apiHandler.RegisterInfraMetricsRoutes(r, am)
 	apiHandler.RegisterQueryRangeV4Routes(r, am)

pkg/apis/fields/api.go

@@ -0,0 +1,127 @@
+package fields
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+
+	"github.com/SigNoz/signoz/pkg/factory"
+	"github.com/SigNoz/signoz/pkg/http/render"
+	"github.com/SigNoz/signoz/pkg/telemetrylogs"
+	"github.com/SigNoz/signoz/pkg/telemetrymetadata"
+	"github.com/SigNoz/signoz/pkg/telemetrymeter"
+	"github.com/SigNoz/signoz/pkg/telemetrymetrics"
+	"github.com/SigNoz/signoz/pkg/telemetrystore"
+	"github.com/SigNoz/signoz/pkg/telemetrytraces"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+)
+
+type API struct {
+	telemetryStore         telemetrystore.TelemetryStore
+	telemetryMetadataStore telemetrytypes.MetadataStore
+}
+
+// TODO: move this to module and remove metastore init
+func NewAPI(
+	settings factory.ProviderSettings,
+	telemetryStore telemetrystore.TelemetryStore,
+) *API {
+	telemetryMetadataStore := telemetrymetadata.NewTelemetryMetaStore(
+		settings,
+		telemetryStore,
+		telemetrytraces.DBName,
+		telemetrytraces.TagAttributesV2TableName,
+		telemetrytraces.SpanAttributesKeysTblName,
+		telemetrytraces.SpanIndexV3TableName,
+		telemetrymetrics.DBName,
+		telemetrymetrics.AttributesMetadataTableName,
+		telemetrymeter.DBName,
+		telemetrymeter.SamplesAgg1dTableName,
+		telemetrylogs.DBName,
+		telemetrylogs.LogsV2TableName,
+		telemetrylogs.TagAttributesV2TableName,
+		telemetrylogs.LogAttributeKeysTblName,
+		telemetrylogs.LogResourceKeysTblName,
+		telemetrymetadata.DBName,
+		telemetrymetadata.AttributesMetadataLocalTableName,
+	)
+
+	return &API{
+		telemetryStore:         telemetryStore,
+		telemetryMetadataStore: telemetryMetadataStore,
+	}
+}
+
+func (api *API) GetFieldsKeys(w http.ResponseWriter, r *http.Request) {
+
+	type fieldKeysResponse struct {
+		Keys     map[string][]*telemetrytypes.TelemetryFieldKey `json:"keys"`
+		Complete bool                                           `json:"complete"`
+	}
+
+	bodyBytes, _ := io.ReadAll(r.Body)
+	r.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
+	ctx := r.Context()
+
+	fieldKeySelector, err := parseFieldKeyRequest(r)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	keys, complete, err := api.telemetryMetadataStore.GetKeys(ctx, fieldKeySelector)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	response := fieldKeysResponse{
+		Keys:     keys,
+		Complete: complete,
+	}
+
+	render.Success(w, http.StatusOK, response)
+}
+
+func (api *API) GetFieldsValues(w http.ResponseWriter, r *http.Request) {
+
+	type fieldValuesResponse struct {
+		Values   *telemetrytypes.TelemetryFieldValues `json:"values"`
+		Complete bool                                 `json:"complete"`
+	}
+
+	bodyBytes, _ := io.ReadAll(r.Body)
+	r.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
+	ctx := r.Context()
+
+	fieldValueSelector, err := parseFieldValueRequest(r)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	allValues, allComplete, err := api.telemetryMetadataStore.GetAllValues(ctx, fieldValueSelector)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	relatedValues, relatedComplete, err := api.telemetryMetadataStore.GetRelatedValues(ctx, fieldValueSelector)
+	if err != nil {
+		// we don't want to return error if we fail to get related values for some reason
+		relatedValues = []string{}
+	}
+
+	values := &telemetrytypes.TelemetryFieldValues{
+		StringValues:  allValues.StringValues,
+		NumberValues:  allValues.NumberValues,
+		RelatedValues: relatedValues,
+	}
+
+	response := fieldValuesResponse{
+		Values:   values,
+		Complete: allComplete && relatedComplete,
+	}
+
+	render.Success(w, http.StatusOK, response)
+}

pkg/apis/fields/parse.go

@@ -0,0 +1,162 @@
+package fields
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/SigNoz/signoz/pkg/valuer"
+)
+
+func parseFieldKeyRequest(r *http.Request) (*telemetrytypes.FieldKeySelector, error) {
+	var req telemetrytypes.FieldKeySelector
+	var signal telemetrytypes.Signal
+	var source telemetrytypes.Source
+	var err error
+
+	signalStr := r.URL.Query().Get("signal")
+	if signalStr != "" {
+		signal = telemetrytypes.Signal{String: valuer.NewString(signalStr)}
+	} else {
+		signal = telemetrytypes.SignalUnspecified
+	}
+
+	sourceStr := r.URL.Query().Get("source")
+	if sourceStr != "" {
+		source = telemetrytypes.Source{String: valuer.NewString(sourceStr)}
+	} else {
+		source = telemetrytypes.SourceUnspecified
+	}
+
+	if r.URL.Query().Get("limit") != "" {
+		limit, err := strconv.Atoi(r.URL.Query().Get("limit"))
+		if err != nil {
+			return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse limit")
+		}
+		req.Limit = limit
+	} else {
+		req.Limit = 1000
+	}
+
+	var startUnixMilli, endUnixMilli int64
+
+	if r.URL.Query().Get("startUnixMilli") != "" {
+		startUnixMilli, err = strconv.ParseInt(r.URL.Query().Get("startUnixMilli"), 10, 64)
+		if err != nil {
+			return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse startUnixMilli")
+		}
+		// Round down to the nearest 6 hours (21600000 milliseconds)
+		startUnixMilli -= startUnixMilli % 21600000
+	}
+	if r.URL.Query().Get("endUnixMilli") != "" {
+		endUnixMilli, err = strconv.ParseInt(r.URL.Query().Get("endUnixMilli"), 10, 64)
+		if err != nil {
+			return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse endUnixMilli")
+		}
+	}
+
+	// Parse fieldContext directly instead of using JSON unmarshalling.
+	var fieldContext telemetrytypes.FieldContext
+	fieldContextStr := r.URL.Query().Get("fieldContext")
+	if fieldContextStr != "" {
+		fieldContext = telemetrytypes.FieldContext{String: valuer.NewString(fieldContextStr)}
+	}
+
+	// Parse fieldDataType directly instead of using JSON unmarshalling.
+	var fieldDataType telemetrytypes.FieldDataType
+	fieldDataTypeStr := r.URL.Query().Get("fieldDataType")
+	if fieldDataTypeStr != "" {
+		fieldDataType = telemetrytypes.FieldDataType{String: valuer.NewString(fieldDataTypeStr)}
+	}
+
+	metricName := r.URL.Query().Get("metricName")
+	var metricContext *telemetrytypes.MetricContext
+	if metricName != "" {
+		metricContext = &telemetrytypes.MetricContext{
+			MetricName: metricName,
+		}
+	}
+
+	name := r.URL.Query().Get("searchText")
+
+	if name != "" && fieldContext == telemetrytypes.FieldContextUnspecified {
+		parsedFieldKey := telemetrytypes.GetFieldKeyFromKeyText(name)
+		if parsedFieldKey.FieldContext != telemetrytypes.FieldContextUnspecified {
+			// Only apply inferred context if it is valid for the current signal
+			if isContextValidForSignal(parsedFieldKey.FieldContext, signal) {
+				name = parsedFieldKey.Name
+				fieldContext = parsedFieldKey.FieldContext
+			}
+		}
+	}
+
+	req = telemetrytypes.FieldKeySelector{
+		StartUnixMilli:    startUnixMilli,
+		EndUnixMilli:      endUnixMilli,
+		Signal:            signal,
+		Source:            source,
+		Name:              name,
+		FieldContext:      fieldContext,
+		FieldDataType:     fieldDataType,
+		Limit:             req.Limit,
+		SelectorMatchType: telemetrytypes.FieldSelectorMatchTypeFuzzy,
+		MetricContext:     metricContext,
+	}
+	return &req, nil
+}
+
+func parseFieldValueRequest(r *http.Request) (*telemetrytypes.FieldValueSelector, error) {
+	keySelector, err := parseFieldKeyRequest(r)
+	if err != nil {
+		return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse field key request")
+	}
+
+	name := r.URL.Query().Get("name")
+	if name != "" && keySelector.FieldContext == telemetrytypes.FieldContextUnspecified {
+		parsedFieldKey := telemetrytypes.GetFieldKeyFromKeyText(name)
+		if parsedFieldKey.FieldContext != telemetrytypes.FieldContextUnspecified {
+			// Only apply inferred context if it is valid for the current signal
+			if isContextValidForSignal(parsedFieldKey.FieldContext, keySelector.Signal) {
+				name = parsedFieldKey.Name
+				keySelector.FieldContext = parsedFieldKey.FieldContext
+			}
+		}
+	}
+	keySelector.Name = name
+	existingQuery := r.URL.Query().Get("existingQuery")
+	value := r.URL.Query().Get("searchText")
+
+	// Parse limit for fieldValue request, fallback to default 50 if parsing fails.
+	limit, err := strconv.Atoi(r.URL.Query().Get("limit"))
+	if err != nil {
+		limit = 50
+	}
+
+	req := telemetrytypes.FieldValueSelector{
+		FieldKeySelector: keySelector,
+		ExistingQuery:    existingQuery,
+		Value:            value,
+		Limit:            limit,
+	}
+
+	return &req, nil
+}
+
+func isContextValidForSignal(ctx telemetrytypes.FieldContext, signal telemetrytypes.Signal) bool {
+	if ctx == telemetrytypes.FieldContextResource ||
+		ctx == telemetrytypes.FieldContextAttribute ||
+		ctx == telemetrytypes.FieldContextScope {
+		return true
+	}
+
+	switch signal.StringValue() {
+	case telemetrytypes.SignalLogs.StringValue():
+		return ctx == telemetrytypes.FieldContextLog || ctx == telemetrytypes.FieldContextBody
+	case telemetrytypes.SignalTraces.StringValue():
+		return ctx == telemetrytypes.FieldContextSpan || ctx == telemetrytypes.FieldContextEvent || ctx == telemetrytypes.FieldContextTrace
+	case telemetrytypes.SignalMetrics.StringValue():
+		return ctx == telemetrytypes.FieldContextMetric
+	}
+	return true
+}

pkg/apiserver/signozapiserver/fields.go

@@ -1,50 +0,0 @@
-package signozapiserver
-
-import (
-	"net/http"
-
-	"github.com/SigNoz/signoz/pkg/http/handler"
-	"github.com/SigNoz/signoz/pkg/types"
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
-	"github.com/gorilla/mux"
-)
-
-func (provider *provider) addFieldsRoutes(router *mux.Router) error {
-	if err := router.Handle("/api/v1/fields/keys", handler.New(provider.authZ.ViewAccess(provider.fieldsHandler.GetFieldsKeys), handler.OpenAPIDef{
-		ID:                  "GetFieldsKeys",
-		Tags:                []string{"fields"},
-		Summary:             "Get field keys",
-		Description:         "This endpoint returns field keys",
-		Request:             nil,
-		RequestQuery:        new(telemetrytypes.PostableFieldKeysParams),
-		RequestContentType:  "",
-		Response:            new(telemetrytypes.GettableFieldKeys),
-		ResponseContentType: "application/json",
-		SuccessStatusCode:   http.StatusOK,
-		ErrorStatusCodes:    []int{},
-		Deprecated:          false,
-		SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
-	})).Methods(http.MethodGet).GetError(); err != nil {
-		return err
-	}
-
-	if err := router.Handle("/api/v1/fields/values", handler.New(provider.authZ.ViewAccess(provider.fieldsHandler.GetFieldsValues), handler.OpenAPIDef{
-		ID:                  "GetFieldsValues",
-		Tags:                []string{"fields"},
-		Summary:             "Get field values",
-		Description:         "This endpoint returns field values",
-		Request:             nil,
-		RequestQuery:        new(telemetrytypes.PostableFieldValueParams),
-		RequestContentType:  "",
-		Response:            new(telemetrytypes.GettableFieldValues),
-		ResponseContentType: "application/json",
-		SuccessStatusCode:   http.StatusOK,
-		ErrorStatusCodes:    []int{},
-		Deprecated:          false,
-		SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
-	})).Methods(http.MethodGet).GetError(); err != nil {
-		return err
-	}
-
-	return nil
-}

pkg/apiserver/signozapiserver/provider.go

@@ -13,7 +13,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	"github.com/SigNoz/signoz/pkg/modules/authdomain"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/organization"
 	"github.com/SigNoz/signoz/pkg/modules/preference"
@@ -45,7 +44,6 @@ type provider struct {
 	gatewayHandler         gateway.Handler
 	roleGetter             role.Getter
 	roleHandler            role.Handler
-	fieldsHandler          fields.Handler
 }
 
 func NewFactory(
@@ -65,31 +63,9 @@ func NewFactory(
 	gatewayHandler gateway.Handler,
 	roleGetter role.Getter,
 	roleHandler role.Handler,
-	fieldsHandler fields.Handler,
 ) factory.ProviderFactory[apiserver.APIServer, apiserver.Config] {
 	return factory.NewProviderFactory(factory.MustNewName("signoz"), func(ctx context.Context, providerSettings factory.ProviderSettings, config apiserver.Config) (apiserver.APIServer, error) {
-		return newProvider(
-			ctx,
-			providerSettings,
-			config,
-			orgGetter,
-			authz,
-			orgHandler,
-			userHandler,
-			sessionHandler,
-			authDomainHandler,
-			preferenceHandler,
-			globalHandler,
-			promoteHandler,
-			flaggerHandler,
-			dashboardModule,
-			dashboardHandler,
-			metricsExplorerHandler,
-			gatewayHandler,
-			roleGetter,
-			roleHandler,
-			fieldsHandler,
-		)
+		return newProvider(ctx, providerSettings, config, orgGetter, authz, orgHandler, userHandler, sessionHandler, authDomainHandler, preferenceHandler, globalHandler, promoteHandler, flaggerHandler, dashboardModule, dashboardHandler, metricsExplorerHandler, gatewayHandler, roleGetter, roleHandler)
 	})
 }
 
@@ -113,7 +89,6 @@ func newProvider(
 	gatewayHandler gateway.Handler,
 	roleGetter role.Getter,
 	roleHandler role.Handler,
-	fieldsHandler fields.Handler,
 ) (apiserver.APIServer, error) {
 	settings := factory.NewScopedProviderSettings(providerSettings, "github.com/SigNoz/signoz/pkg/apiserver/signozapiserver")
 	router := mux.NewRouter().UseEncodedPath()
@@ -136,7 +111,6 @@ func newProvider(
 		gatewayHandler:         gatewayHandler,
 		roleGetter:             roleGetter,
 		roleHandler:            roleHandler,
-		fieldsHandler:          fieldsHandler,
 	}
 
 	provider.authZ = middleware.NewAuthZ(settings.Logger(), orgGetter, authz, roleGetter)
@@ -201,10 +175,6 @@ func (provider *provider) AddToRouter(router *mux.Router) error {
 		return err
 	}
 
-	if err := provider.addFieldsRoutes(router); err != nil {
-		return err
-	}
-
 	return nil
 }
 

pkg/modules/fields/handler.go

@@ -1,11 +0,0 @@
-package fields
-
-import "net/http"
-
-type Handler interface {
-	// Gets the fields keys for the given field key selector
-	GetFieldsKeys(http.ResponseWriter, *http.Request)
-
-	// Gets the fields values for the given field value selector
-	GetFieldsValues(http.ResponseWriter, *http.Request)
-}

pkg/modules/fields/implfields/handler.go

@@ -1,79 +0,0 @@
-package implfields
-
-import (
-	"net/http"
-
-	"github.com/SigNoz/signoz/pkg/factory"
-	"github.com/SigNoz/signoz/pkg/http/binding"
-	"github.com/SigNoz/signoz/pkg/http/render"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
-)
-
-type handler struct {
-	telemetryMetadataStore telemetrytypes.MetadataStore
-}
-
-func NewHandler(settings factory.ProviderSettings, telemetryMetadataStore telemetrytypes.MetadataStore) fields.Handler {
-	return &handler{
-		telemetryMetadataStore: telemetryMetadataStore,
-	}
-}
-
-func (handler *handler) GetFieldsKeys(rw http.ResponseWriter, req *http.Request) {
-	ctx := req.Context()
-
-	var params telemetrytypes.PostableFieldKeysParams
-	if err := binding.Query.BindQuery(req.URL.Query(), &params); err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	fieldKeySelector := telemetrytypes.NewFieldKeySelectorFromPostableFieldKeysParams(params)
-
-	keys, complete, err := handler.telemetryMetadataStore.GetKeys(ctx, fieldKeySelector)
-	if err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	render.Success(rw, http.StatusOK, &telemetrytypes.GettableFieldKeys{
-		Keys:     keys,
-		Complete: complete,
-	})
-}
-
-func (handler *handler) GetFieldsValues(rw http.ResponseWriter, req *http.Request) {
-	ctx := req.Context()
-
-	var params telemetrytypes.PostableFieldValueParams
-	if err := binding.Query.BindQuery(req.URL.Query(), &params); err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	fieldValueSelector := telemetrytypes.NewFieldValueSelectorFromPostableFieldValueParams(params)
-
-	allValues, allComplete, err := handler.telemetryMetadataStore.GetAllValues(ctx, fieldValueSelector)
-	if err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	relatedValues, relatedComplete, err := handler.telemetryMetadataStore.GetRelatedValues(ctx, fieldValueSelector)
-	if err != nil {
-		// we don't want to return error if we fail to get related values for some reason
-		relatedValues = []string{}
-	}
-
-	values := &telemetrytypes.TelemetryFieldValues{
-		StringValues:  allValues.StringValues,
-		NumberValues:  allValues.NumberValues,
-		RelatedValues: relatedValues,
-	}
-
-	render.Success(rw, http.StatusOK, &telemetrytypes.GettableFieldValues{
-		Values:   values,
-		Complete: allComplete && relatedComplete,
-	})
-}

pkg/query-service/app/http_handler.go

@@ -25,6 +25,7 @@ import (
 	"time"
 
 	"github.com/SigNoz/signoz/pkg/alertmanager"
+	"github.com/SigNoz/signoz/pkg/apis/fields"
 	errorsV2 "github.com/SigNoz/signoz/pkg/errors"
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	"github.com/SigNoz/signoz/pkg/http/render"
@@ -144,6 +145,8 @@ type APIHandler struct {
 
 	LicensingAPI licensing.API
 
+	FieldsAPI *fields.API
+
 	QuerierAPI *querierAPI.API
 
 	QueryParserAPI *queryparser.API
@@ -174,6 +177,8 @@ type APIHandlerOpts struct {
 
 	LicensingAPI licensing.API
 
+	FieldsAPI *fields.API
+
 	QuerierAPI *querierAPI.API
 
 	QueryParserAPI *queryparser.API
@@ -238,6 +243,7 @@ func NewAPIHandler(opts APIHandlerOpts) (*APIHandler, error) {
 		AlertmanagerAPI:               opts.AlertmanagerAPI,
 		LicensingAPI:                  opts.LicensingAPI,
 		Signoz:                        opts.Signoz,
+		FieldsAPI:                     opts.FieldsAPI,
 		QuerierAPI:                    opts.QuerierAPI,
 		QueryParserAPI:                opts.QueryParserAPI,
 	}
@@ -393,6 +399,13 @@ func (aH *APIHandler) RegisterQueryRangeV3Routes(router *mux.Router, am *middlew
 	subRouter.HandleFunc("/logs/livetail", am.ViewAccess(aH.QuerierAPI.QueryRawStream)).Methods(http.MethodGet)
 }
 
+func (aH *APIHandler) RegisterFieldsRoutes(router *mux.Router, am *middleware.AuthZ) {
+	subRouter := router.PathPrefix("/api/v1").Subrouter()
+
+	subRouter.HandleFunc("/fields/keys", am.ViewAccess(aH.FieldsAPI.GetFieldsKeys)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/fields/values", am.ViewAccess(aH.FieldsAPI.GetFieldsValues)).Methods(http.MethodGet)
+}
+
 func (aH *APIHandler) RegisterInfraMetricsRoutes(router *mux.Router, am *middleware.AuthZ) {
 	hostsSubRouter := router.PathPrefix("/api/v1/hosts").Subrouter()
 	hostsSubRouter.HandleFunc("/attribute_keys", am.ViewAccess(aH.getHostAttributeKeys)).Methods(http.MethodGet)

pkg/query-service/app/server.go

@@ -17,6 +17,7 @@ import (
 	"github.com/gorilla/handlers"
 
 	"github.com/SigNoz/signoz/pkg/alertmanager"
+	"github.com/SigNoz/signoz/pkg/apis/fields"
 	"github.com/SigNoz/signoz/pkg/cache"
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	"github.com/SigNoz/signoz/pkg/licensing/nooplicensing"
@@ -132,6 +133,7 @@ func NewServer(config signoz.Config, signoz *signoz.SigNoz) (*Server, error) {
 		FluxInterval:                  config.Querier.FluxInterval,
 		AlertmanagerAPI:               alertmanager.NewAPI(signoz.Alertmanager),
 		LicensingAPI:                  nooplicensing.NewLicenseAPI(),
+		FieldsAPI:                     fields.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.TelemetryStore),
 		Signoz:                        signoz,
 		QuerierAPI:                    querierAPI.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.Querier, signoz.Analytics),
 		QueryParserAPI:                queryparser.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.QueryParser),
@@ -213,6 +215,7 @@ func (s *Server) createPublicServer(api *APIHandler, web web.Web) (*http.Server,
 	api.RegisterLogsRoutes(r, am)
 	api.RegisterIntegrationRoutes(r, am)
 	api.RegisterCloudIntegrationsRoutes(r, am)
+	api.RegisterFieldsRoutes(r, am)
 	api.RegisterQueryRangeV3Routes(r, am)
 	api.RegisterInfraMetricsRoutes(r, am)
 	api.RegisterWebSocketPaths(r, am)

pkg/signoz/handler.go

@@ -11,8 +11,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/modules/apdex/implapdex"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard/impldashboard"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
-	"github.com/SigNoz/signoz/pkg/modules/fields/implfields"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer/implmetricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/quickfilter"
@@ -30,7 +28,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/modules/tracefunnel"
 	"github.com/SigNoz/signoz/pkg/modules/tracefunnel/impltracefunnel"
 	"github.com/SigNoz/signoz/pkg/querier"
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 )
 
 type Handlers struct {
@@ -47,19 +44,9 @@ type Handlers struct {
 	FlaggerHandler  flagger.Handler
 	GatewayHandler  gateway.Handler
 	Role            role.Handler
-	Fields          fields.Handler
 }
 
-func NewHandlers(
-	modules Modules,
-	providerSettings factory.ProviderSettings,
-	querier querier.Querier,
-	licensing licensing.Licensing,
-	global global.Global,
-	flaggerService flagger.Flagger,
-	gatewayService gateway.Gateway,
-	telemetryMetadataStore telemetrytypes.MetadataStore,
-) Handlers {
+func NewHandlers(modules Modules, providerSettings factory.ProviderSettings, querier querier.Querier, licensing licensing.Licensing, global global.Global, flaggerService flagger.Flagger, gatewayService gateway.Gateway) Handlers {
 	return Handlers{
 		SavedView:       implsavedview.NewHandler(modules.SavedView),
 		Apdex:           implapdex.NewHandler(modules.Apdex),
@@ -74,6 +61,5 @@ func NewHandlers(
 		FlaggerHandler:  flagger.NewHandler(flaggerService),
 		GatewayHandler:  gateway.NewHandler(gatewayService),
 		Role:            implrole.NewHandler(modules.RoleSetter, modules.RoleGetter),
-		Fields:          implfields.NewHandler(providerSettings, telemetryMetadataStore),
 	}
 }

pkg/signoz/handler_test.go

@@ -46,7 +46,7 @@ func TestNewHandlers(t *testing.T) {
 	grantModule := implrole.NewGranter(implrole.NewStore(sqlstore), nil)
 	modules := NewModules(sqlstore, tokenizer, emailing, providerSettings, orgGetter, alertmanager, nil, nil, nil, nil, nil, nil, nil, queryParser, Config{}, dashboardModule, roleSetter, roleGetter, grantModule)
 
-	handlers := NewHandlers(modules, providerSettings, nil, nil, nil, nil, nil, nil)
+	handlers := NewHandlers(modules, providerSettings, nil, nil, nil, nil, nil)
 
 	reflectVal := reflect.ValueOf(handlers)
 	for i := 0; i < reflectVal.NumField(); i++ {

pkg/signoz/openapi.go

@@ -2,6 +2,7 @@ package signoz
 
 import (
 	"context"
+	"net/http"
 	"os"
 	"reflect"
 
@@ -15,7 +16,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/instrumentation"
 	"github.com/SigNoz/signoz/pkg/modules/authdomain"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/organization"
 	"github.com/SigNoz/signoz/pkg/modules/preference"
@@ -24,6 +24,8 @@ import (
 	"github.com/SigNoz/signoz/pkg/modules/session"
 	"github.com/SigNoz/signoz/pkg/modules/user"
 	"github.com/SigNoz/signoz/pkg/types/ctxtypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/gorilla/mux"
 	"github.com/swaggest/jsonschema-go"
 	"github.com/swaggest/openapi-go"
 	"github.com/swaggest/openapi-go/openapi3"
@@ -53,12 +55,15 @@ func NewOpenAPI(ctx context.Context, instrumentation instrumentation.Instrumenta
 		struct{ gateway.Handler }{},
 		struct{ role.Getter }{},
 		struct{ role.Handler }{},
-		struct{ fields.Handler }{},
 	).New(ctx, instrumentation.ToProviderSettings(), apiserver.Config{})
 	if err != nil {
 		return nil, err
 	}
 
+	// Register routes that live outside the APIServer modules
+	// so they are discovered by the OpenAPI walker.
+	registerQueryRoutes(apiserver.Router())
+
 	reflector := openapi3.NewReflector()
 	reflector.JSONSchemaReflector().DefaultOptions = append(reflector.JSONSchemaReflector().DefaultOptions, jsonschema.InterceptDefName(func(t reflect.Type, defaultDefName string) string {
 		if defaultDefName == "RenderSuccessResponse" {
@@ -99,3 +104,25 @@ func (openapi *OpenAPI) CreateAndWrite(path string) error {
 
 	return os.WriteFile(path, spec, 0o600)
 }
+
+func registerQueryRoutes(router *mux.Router) {
+	router.Handle("/api/v5/query_range", handler.New(
+		func(http.ResponseWriter, *http.Request) {},
+		handler.OpenAPIDef{
+			ID:                  "QueryRangeV5",
+			Tags:                []string{"query"},
+			Summary:             "Query range",
+			Description:         "Execute a composite query over a time range. Supports builder queries (traces, logs, metrics), formulas, trace operators, PromQL, and ClickHouse SQL.",
+			Request:             new(qbtypes.QueryRangeRequest),
+			RequestContentType:  "application/json",
+			Response:            new(qbtypes.QueryRangeResponse),
+			ResponseContentType: "application/json",
+			SuccessStatusCode:   http.StatusOK,
+			ErrorStatusCodes:    []int{http.StatusBadRequest},
+			SecuritySchemes: []handler.OpenAPISecurityScheme{
+				{Name: ctxtypes.AuthTypeAPIKey.StringValue(), Scopes: []string{"VIEWER"}},
+				{Name: ctxtypes.AuthTypeTokenizer.StringValue(), Scopes: []string{"VIEWER"}},
+			},
+		},
+	)).Methods(http.MethodPost)
+}

pkg/signoz/provider.go

@@ -249,7 +249,6 @@ func NewAPIServerProviderFactories(orgGetter organization.Getter, authz authz.Au
 			handlers.GatewayHandler,
 			modules.RoleGetter,
 			handlers.Role,
-			handlers.Fields,
 		),
 	)
 }

pkg/signoz/signoz.go

@@ -396,7 +396,7 @@ func New(
 	modules := NewModules(sqlstore, tokenizer, emailing, providerSettings, orgGetter, alertmanager, analytics, querier, telemetrystore, telemetryMetadataStore, authNs, authz, cache, queryParser, config, dashboard, roleSetter, roleGetter, granter)
 
 	// Initialize all handlers for the modules
-	handlers := NewHandlers(modules, providerSettings, querier, licensing, global, flagger, gateway, telemetryMetadataStore)
+	handlers := NewHandlers(modules, providerSettings, querier, licensing, global, flagger, gateway)
 
 	// Initialize the API server
 	apiserver, err := factory.NewProviderFromNamedMap(

pkg/types/querybuildertypes/querybuildertypesv5/openapi.go

@@ -0,0 +1,707 @@
+package querybuildertypesv5
+
+import (
+	"github.com/swaggest/jsonschema-go"
+)
+
+// Enum returns the acceptable values for QueryType.
+func (QueryType) Enum() []any {
+	return []any{
+		QueryTypeBuilder,
+		QueryTypeFormula,
+		// Not yet supported.
+		// QueryTypeSubQuery,
+		// QueryTypeJoin,
+		QueryTypeTraceOperator,
+		QueryTypeClickHouseSQL,
+		QueryTypePromQL,
+	}
+}
+
+// Enum returns the acceptable values for RequestType.
+func (RequestType) Enum() []any {
+	return []any{
+		RequestTypeScalar,
+		RequestTypeTimeSeries,
+		RequestTypeRaw,
+		RequestTypeRawStream,
+		RequestTypeTrace,
+		// RequestTypeDistribution,
+	}
+}
+
+// Enum returns the acceptable values for FunctionName.
+func (FunctionName) Enum() []any {
+	return []any{
+		FunctionNameCutOffMin,
+		FunctionNameCutOffMax,
+		FunctionNameClampMin,
+		FunctionNameClampMax,
+		FunctionNameAbsolute,
+		FunctionNameRunningDiff,
+		FunctionNameLog2,
+		FunctionNameLog10,
+		FunctionNameCumulativeSum,
+		FunctionNameEWMA3,
+		FunctionNameEWMA5,
+		FunctionNameEWMA7,
+		FunctionNameMedian3,
+		FunctionNameMedian5,
+		FunctionNameMedian7,
+		FunctionNameTimeShift,
+		FunctionNameAnomaly,
+		FunctionNameFillZero,
+	}
+}
+
+// Enum returns the acceptable values for OrderDirection.
+func (OrderDirection) Enum() []any {
+	return []any{
+		OrderDirectionAsc,
+		OrderDirectionDesc,
+	}
+}
+
+// Enum returns the acceptable values for ReduceTo.
+func (ReduceTo) Enum() []any {
+	return []any{
+		ReduceToSum,
+		ReduceToCount,
+		ReduceToAvg,
+		ReduceToMin,
+		ReduceToMax,
+		ReduceToLast,
+		ReduceToMedian,
+	}
+}
+
+// Enum returns the acceptable values for VariableType.
+func (VariableType) Enum() []any {
+	return []any{
+		QueryVariableType,
+		DynamicVariableType,
+		CustomVariableType,
+		TextBoxVariableType,
+	}
+}
+
+// Enum returns the acceptable values for JoinType.
+func (JoinType) Enum() []any {
+	return []any{
+		JoinTypeInner,
+		JoinTypeLeft,
+		JoinTypeRight,
+		JoinTypeFull,
+		JoinTypeCross,
+	}
+}
+
+// Enum returns the acceptable values for ColumnType.
+func (ColumnType) Enum() []any {
+	return []any{
+		ColumnTypeGroup,
+		ColumnTypeAggregation,
+	}
+}
+
+// queryEnvelopeBuilderTrace is the OpenAPI schema for a QueryEnvelope with type=builder_query and signal=traces.
+type queryEnvelopeBuilderTrace struct {
+	Type QueryType                           `json:"type" description:"The type of the query."`
+	Spec QueryBuilderQuery[TraceAggregation] `json:"spec" description:"The trace builder query specification."`
+}
+
+// queryEnvelopeBuilderLog is the OpenAPI schema for a QueryEnvelope with type=builder_query and signal=logs.
+type queryEnvelopeBuilderLog struct {
+	Type QueryType                         `json:"type" description:"The type of the query."`
+	Spec QueryBuilderQuery[LogAggregation] `json:"spec" description:"The log builder query specification."`
+}
+
+// queryEnvelopeBuilderMetric is the OpenAPI schema for a QueryEnvelope with type=builder_query and signal=metrics.
+type queryEnvelopeBuilderMetric struct {
+	Type QueryType                            `json:"type" description:"The type of the query."`
+	Spec QueryBuilderQuery[MetricAggregation] `json:"spec" description:"The metric builder query specification."`
+}
+
+// queryEnvelopeFormula is the OpenAPI schema for a QueryEnvelope with type=builder_formula.
+type queryEnvelopeFormula struct {
+	Type QueryType           `json:"type" description:"The type of the query."`
+	Spec QueryBuilderFormula `json:"spec" description:"The formula specification."`
+}
+
+// queryEnvelopeJoin is the OpenAPI schema for a QueryEnvelope with type=builder_join.
+// type queryEnvelopeJoin struct {
+// 	Type QueryType        `json:"type" description:"The type of the query."`
+// 	Spec QueryBuilderJoin `json:"spec" description:"The join specification."`
+// }
+
+// queryEnvelopeTraceOperator is the OpenAPI schema for a QueryEnvelope with type=builder_trace_operator.
+type queryEnvelopeTraceOperator struct {
+	Type QueryType                 `json:"type" description:"The type of the query."`
+	Spec QueryBuilderTraceOperator `json:"spec" description:"The trace operator specification."`
+}
+
+// queryEnvelopePromQL is the OpenAPI schema for a QueryEnvelope with type=promql.
+type queryEnvelopePromQL struct {
+	Type QueryType `json:"type" description:"The type of the query."`
+	Spec PromQuery `json:"spec" description:"The PromQL query specification."`
+}
+
+// queryEnvelopeClickHouseSQL is the OpenAPI schema for a QueryEnvelope with type=clickhouse_sql.
+type queryEnvelopeClickHouseSQL struct {
+	Type QueryType       `json:"type" description:"The type of the query."`
+	Spec ClickHouseQuery `json:"spec" description:"The ClickHouse SQL query specification."`
+}
+
+var _ jsonschema.OneOfExposer = QueryEnvelope{}
+
+// JSONSchemaOneOf returns the oneOf variants for the QueryEnvelope discriminated union.
+// Each variant represents a different query type with its corresponding spec schema.
+func (QueryEnvelope) JSONSchemaOneOf() []any {
+	return []any{
+		queryEnvelopeBuilderTrace{},
+		queryEnvelopeBuilderLog{},
+		queryEnvelopeBuilderMetric{},
+		queryEnvelopeFormula{},
+		// queryEnvelopeJoin{},
+		queryEnvelopeTraceOperator{},
+		queryEnvelopePromQL{},
+		queryEnvelopeClickHouseSQL{},
+	}
+}
+
+var _ jsonschema.Exposer = Step{}
+
+// JSONSchema returns a custom schema for Step that accepts either a duration string or a number (seconds).
+func (Step) JSONSchema() (jsonschema.Schema, error) {
+	s := jsonschema.Schema{}
+	s.WithDescription("Step interval. Accepts a Go duration string (e.g., \"60s\", \"1m\", \"1h\") or a number representing seconds (e.g., 60).")
+
+	strSchema := jsonschema.Schema{}
+	strSchema.WithType(jsonschema.String.Type())
+	strSchema.WithExamples("60s", "5m", "1h")
+	strSchema.WithDescription("Duration string (e.g., \"60s\", \"5m\", \"1h\").")
+
+	numSchema := jsonschema.Schema{}
+	numSchema.WithType(jsonschema.Number.Type())
+	numSchema.WithExamples(60, 300, 3600)
+	numSchema.WithDescription("Duration in seconds.")
+
+	s.OneOf = []jsonschema.SchemaOrBool{
+		strSchema.ToSchemaOrBool(),
+		numSchema.ToSchemaOrBool(),
+	}
+	return s, nil
+}
+
+var _ jsonschema.OneOfExposer = QueryData{}
+
+// JSONSchemaOneOf documents the polymorphic result types in QueryData.Results.
+func (QueryData) JSONSchemaOneOf() []any {
+	return []any{
+		TimeSeriesData{},
+		ScalarData{},
+		RawData{},
+	}
+}
+
+var _ jsonschema.Preparer = &QueryRangeRequest{}
+
+// PrepareJSONSchema adds examples and description to the QueryRangeRequest schema.
+func (q *QueryRangeRequest) PrepareJSONSchema(schema *jsonschema.Schema) error {
+	schema.WithDescription("Request body for the v5 query range endpoint. Supports builder queries (traces, logs, metrics), formulas, joins, trace operators, PromQL, and ClickHouse SQL queries.")
+	schema.WithExamples(
+		// 1. time_series + traces builder: count spans grouped by service, ordered by count
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "traces",
+							"aggregations": []any{
+								map[string]any{
+									"expression": "count()",
+									"alias":      "span_count",
+								},
+							},
+							"stepInterval": "60s",
+							"filter": map[string]any{
+								"expression": "service.name = 'frontend'",
+							},
+							"groupBy": []any{
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+							"order": []any{
+								map[string]any{
+									"key":       map[string]any{"name": "span_count"},
+									"direction": "desc",
+								},
+							},
+							"limit": 10,
+						},
+					},
+				},
+			},
+		},
+		// 2. time_series + logs builder: count logs grouped by service
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "logs",
+							"aggregations": []any{
+								map[string]any{
+									"expression": "count()",
+									"alias":      "log_count",
+								},
+							},
+							"stepInterval": "60s",
+							"filter": map[string]any{
+								"expression": "severity_text = 'ERROR'",
+							},
+							"groupBy": []any{
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+							"order": []any{
+								map[string]any{
+									"key":       map[string]any{"name": "log_count"},
+									"direction": "desc",
+								},
+							},
+							"limit": 10,
+						},
+					},
+				},
+			},
+		},
+		// 3. time_series + metrics builder (Gauge): latest value averaged across series
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "metrics",
+							"aggregations": []any{
+								map[string]any{
+									"metricName":       "system.cpu.utilization",
+									"timeAggregation":  "latest",
+									"spaceAggregation": "avg",
+								},
+							},
+							"stepInterval": "60s",
+							"groupBy": []any{
+								map[string]any{
+									"name":         "host.name",
+									"fieldContext": "resource",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		// 4. time_series + metrics builder (Sum): rate of cumulative counter
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "metrics",
+							"aggregations": []any{
+								map[string]any{
+									"metricName":       "http.server.duration.count",
+									"timeAggregation":  "rate",
+									"spaceAggregation": "sum",
+								},
+							},
+							"stepInterval": 120,
+							"groupBy": []any{
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		// 5. time_series + metrics builder (Histogram): p99 latency
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "metrics",
+							"aggregations": []any{
+								map[string]any{
+									"metricName":       "http.server.duration.bucket",
+									"spaceAggregation": "p99",
+								},
+							},
+							"stepInterval": "60s",
+							"groupBy": []any{
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		// 6. raw + logs builder: fetch raw log records
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "raw",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "logs",
+							"filter": map[string]any{
+								"expression": "severity_text = 'ERROR'",
+							},
+							"selectFields": []any{
+								map[string]any{
+									"name":         "body",
+									"fieldContext": "log",
+								},
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+							"order": []any{
+								map[string]any{
+									"key":       map[string]any{"name": "timestamp", "fieldContext": "log"},
+									"direction": "desc",
+								},
+								map[string]any{
+									"key":       map[string]any{"name": "id"},
+									"direction": "desc",
+								},
+							},
+							"limit":  50,
+							"offset": 0,
+						},
+					},
+				},
+			},
+		},
+		// 7. raw + traces builder: fetch raw span records
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "raw",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "traces",
+							"filter": map[string]any{
+								"expression": "service.name = 'frontend' AND has_error = true",
+							},
+							"selectFields": []any{
+								map[string]any{
+									"name":         "name",
+									"fieldContext": "span",
+								},
+								map[string]any{
+									"name":         "duration_nano",
+									"fieldContext": "span",
+								},
+							},
+							"order": []any{
+								map[string]any{
+									"key":       map[string]any{"name": "timestamp", "fieldContext": "span"},
+									"direction": "desc",
+								},
+							},
+							"limit": 100,
+						},
+					},
+				},
+			},
+		},
+		// 8. scalar + traces builder: total span count as a single value
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "scalar",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "traces",
+							"aggregations": []any{
+								map[string]any{
+									"expression": "count()",
+									"alias":      "span_count",
+								},
+							},
+							"filter": map[string]any{
+								"expression": "service.name = 'frontend'",
+							},
+						},
+					},
+				},
+			},
+		},
+		// 9. scalar + logs builder: total error log count as a single value
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "scalar",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "logs",
+							"aggregations": []any{
+								map[string]any{
+									"expression": "count()",
+									"alias":      "error_count",
+								},
+							},
+							"filter": map[string]any{
+								"expression": "severity_text = 'ERROR'",
+							},
+						},
+					},
+				},
+			},
+		},
+		// 10. scalar + metrics builder: single reduced value with reduceTo
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "scalar",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "metrics",
+							"aggregations": []any{
+								map[string]any{
+									"metricName":       "http.server.duration.count",
+									"timeAggregation":  "rate",
+									"spaceAggregation": "sum",
+									"reduceTo":         "sum",
+								},
+							},
+							"stepInterval": "60s",
+						},
+					},
+				},
+			},
+		},
+		// 11. builder formula: error rate from two trace queries
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "A",
+							"signal": "traces",
+							"aggregations": []any{
+								map[string]any{
+									"expression": "countIf(has_error = true)",
+								},
+							},
+							"stepInterval": "60s",
+							"groupBy": []any{
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+						},
+					},
+					map[string]any{
+						"type": "builder_query",
+						"spec": map[string]any{
+							"name":   "B",
+							"signal": "traces",
+							"aggregations": []any{
+								map[string]any{
+									"expression": "count()",
+								},
+							},
+							"stepInterval": "60s",
+							"groupBy": []any{
+								map[string]any{
+									"name":         "service.name",
+									"fieldContext": "resource",
+								},
+							},
+						},
+					},
+					map[string]any{
+						"type": "builder_formula",
+						"spec": map[string]any{
+							"name":       "error_rate",
+							"expression": "A / B * 100",
+						},
+					},
+				},
+			},
+		},
+		// 12. PromQL query with UTF-8 dot metric name
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "promql",
+						"spec": map[string]any{
+							"name":  "request_rate",
+							"query": "sum(rate({\"http.server.duration.count\"}[5m])) by (\"service.name\")",
+							"step":  60,
+						},
+					},
+				},
+			},
+		},
+		// 13. ClickHouse SQL — time_series
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "time_series",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "clickhouse_sql",
+						"spec": map[string]any{
+							"name":  "span_rate",
+							"query": "SELECT toStartOfInterval(timestamp, INTERVAL 60 SECOND) AS ts, count() AS value FROM signoz_traces.distributed_signoz_index_v3 WHERE timestamp >= $start_datetime AND timestamp <= $end_datetime GROUP BY ts ORDER BY ts",
+						},
+					},
+				},
+			},
+		},
+		// 14. ClickHouse SQL — raw
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "raw",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "clickhouse_sql",
+						"spec": map[string]any{
+							"name":  "recent_errors",
+							"query": "SELECT timestamp, body FROM signoz_logs.distributed_logs_v2 WHERE timestamp >= $start_timestamp_nano AND timestamp <= $end_timestamp_nano AND severity_text = 'ERROR' ORDER BY timestamp DESC LIMIT 100",
+						},
+					},
+				},
+			},
+		},
+		// 15. ClickHouse SQL — scalar
+		map[string]any{
+			"schemaVersion": "v1",
+			"start":         1640995200000,
+			"end":           1640998800000,
+			"requestType":   "scalar",
+			"compositeQuery": map[string]any{
+				"queries": []any{
+					map[string]any{
+						"type": "clickhouse_sql",
+						"spec": map[string]any{
+							"name":  "total_spans",
+							"query": "SELECT count() AS value FROM signoz_traces.distributed_signoz_index_v3 WHERE timestamp >= $start_datetime AND timestamp <= $end_datetime",
+						},
+					},
+				},
+			},
+		},
+	)
+	return nil
+}
+
+var _ jsonschema.Preparer = &QueryRangeResponse{}
+
+// PrepareJSONSchema adds description to the QueryRangeResponse schema.
+func (q *QueryRangeResponse) PrepareJSONSchema(schema *jsonschema.Schema) error {
+	schema.WithDescription("Response from the v5 query range endpoint. The data.results array contains typed results depending on the requestType: TimeSeriesData for time_series, ScalarData for scalar, or RawData for raw requests.")
+	return nil
+}
+
+var _ jsonschema.Preparer = &CompositeQuery{}
+
+// PrepareJSONSchema adds description to the CompositeQuery schema.
+func (c *CompositeQuery) PrepareJSONSchema(schema *jsonschema.Schema) error {
+	schema.WithDescription("Composite query containing one or more query envelopes. Each query envelope specifies its type and corresponding spec.")
+	return nil
+}
+
+var _ jsonschema.Preparer = &ExecStats{}
+
+// PrepareJSONSchema adds description to the ExecStats schema.
+func (e *ExecStats) PrepareJSONSchema(schema *jsonschema.Schema) error {
+	schema.WithDescription("Execution statistics for the query, including rows scanned, bytes scanned, and duration.")
+	return nil
+}

pkg/types/telemetrytypes/field.go

@@ -266,110 +266,3 @@ type FieldValueSelector struct {
 	Value         string `json:"value"`
 	Limit         int    `json:"limit"`
 }
-
-type GettableFieldKeys struct {
-	Keys     map[string][]*TelemetryFieldKey `json:"keys"`
-	Complete bool                            `json:"complete"`
-}
-
-type PostableFieldKeysParams struct {
-	Signal         Signal        `query:"signal"`
-	Source         Source        `query:"source"`
-	Limit          int           `query:"limit"`
-	StartUnixMilli int64         `query:"startUnixMilli"`
-	EndUnixMilli   int64         `query:"endUnixMilli"`
-	FieldContext   FieldContext  `query:"fieldContext"`
-	FieldDataType  FieldDataType `query:"fieldDataType"`
-	MetricName     string        `query:"metricName"`
-	SearchText     string        `query:"searchText"`
-}
-
-type GettableFieldValues struct {
-	Values   *TelemetryFieldValues `json:"values"`
-	Complete bool                  `json:"complete"`
-}
-
-type PostableFieldValueParams struct {
-	PostableFieldKeysParams
-	Name          string `query:"name"`
-	ExistingQuery string `query:"existingQuery"`
-}
-
-func NewFieldKeySelectorFromPostableFieldKeysParams(params PostableFieldKeysParams) *FieldKeySelector {
-	var req FieldKeySelector
-
-	if params.StartUnixMilli != 0 {
-		req.StartUnixMilli = params.StartUnixMilli
-		// Round down to the nearest 6 hours (21600000 milliseconds)
-		req.StartUnixMilli -= req.StartUnixMilli % 21600000
-	}
-
-	if params.EndUnixMilli != 0 {
-		req.EndUnixMilli = params.EndUnixMilli
-	}
-
-	req.Signal = params.Signal
-	req.Source = params.Source
-	req.FieldContext = params.FieldContext
-	req.FieldDataType = params.FieldDataType
-	req.SelectorMatchType = FieldSelectorMatchTypeFuzzy
-
-	if params.Limit != 0 {
-		req.Limit = params.Limit
-	} else {
-		req.Limit = 1000
-	}
-
-	if params.MetricName != "" {
-		req.MetricContext = &MetricContext{
-			MetricName: params.MetricName,
-		}
-	}
-
-	req.Name = params.SearchText
-	if params.SearchText != "" && params.FieldContext == FieldContextUnspecified {
-		parsedFieldKey := GetFieldKeyFromKeyText(params.SearchText)
-		if parsedFieldKey.FieldContext != FieldContextUnspecified {
-			// Only apply inferred context if it is valid for the current signal
-			if isContextValidForSignal(parsedFieldKey.FieldContext, req.Signal) {
-				req.Name = parsedFieldKey.Name
-				req.FieldContext = parsedFieldKey.FieldContext
-			}
-		}
-	}
-
-	return &req
-}
-
-func NewFieldValueSelectorFromPostableFieldValueParams(params PostableFieldValueParams) *FieldValueSelector {
-
-	keySelector := NewFieldKeySelectorFromPostableFieldKeysParams(params.PostableFieldKeysParams)
-
-	fieldValueSelector := &FieldValueSelector{
-		FieldKeySelector: keySelector,
-	}
-
-	fieldValueSelector.Name = params.Name
-
-	if params.Name != "" && fieldValueSelector.FieldContext == FieldContextUnspecified {
-		parsedFieldKey := GetFieldKeyFromKeyText(params.Name)
-		if parsedFieldKey.FieldContext != FieldContextUnspecified {
-			// Only apply inferred context if it is valid for the current signal
-			if isContextValidForSignal(parsedFieldKey.FieldContext, fieldValueSelector.Signal) {
-				fieldValueSelector.Name = parsedFieldKey.Name
-				fieldValueSelector.FieldContext = parsedFieldKey.FieldContext
-			}
-		}
-	}
-
-	fieldValueSelector.ExistingQuery = params.ExistingQuery
-	fieldValueSelector.Value = params.SearchText
-
-	if params.Limit != 0 {
-		fieldValueSelector.Limit = params.Limit
-	} else {
-		fieldValueSelector.Limit = 50
-	}
-
-	return fieldValueSelector
-}

pkg/types/telemetrytypes/field_context.go

@@ -154,21 +154,3 @@ func (f FieldContext) TagType() string {
 	}
 	return ""
 }
-
-func isContextValidForSignal(ctx FieldContext, signal Signal) bool {
-	if ctx == FieldContextResource ||
-		ctx == FieldContextAttribute ||
-		ctx == FieldContextScope {
-		return true
-	}
-
-	switch signal.StringValue() {
-	case SignalLogs.StringValue():
-		return ctx == FieldContextLog || ctx == FieldContextBody
-	case SignalTraces.StringValue():
-		return ctx == FieldContextSpan || ctx == FieldContextEvent || ctx == FieldContextTrace
-	case SignalMetrics.StringValue():
-		return ctx == FieldContextMetric
-	}
-	return true
-}

pkg/types/telemetrytypes/openapi.go

@@ -0,0 +1,48 @@
+package telemetrytypes
+
+// Enum returns the acceptable values for Signal.
+func (Signal) Enum() []any {
+	return []any{
+		SignalTraces,
+		SignalLogs,
+		SignalMetrics,
+	}
+}
+
+// Enum returns the acceptable values for FieldContext.
+func (FieldContext) Enum() []any {
+	return []any{
+		FieldContextMetric,
+		FieldContextLog,
+		FieldContextSpan,
+		// FieldContextTrace,
+		FieldContextResource,
+		// FieldContextScope,
+		FieldContextAttribute,
+		// FieldContextEvent,
+		FieldContextBody,
+	}
+}
+
+// Enum returns the acceptable values for Source.
+func (Source) Enum() []any {
+	return []any{
+		SourceMeter,
+	}
+}
+
+// Enum returns the acceptable values for FieldDataType.
+func (FieldDataType) Enum() []any {
+	return []any{
+		FieldDataTypeString,
+		FieldDataTypeBool,
+		FieldDataTypeFloat64,
+		FieldDataTypeInt64,
+		FieldDataTypeNumber,
+		// FieldDataTypeArrayString,
+		// FieldDataTypeArrayFloat64,
+		// FieldDataTypeArrayBool,
+		// FieldDataTypeArrayInt64,
+		// FieldDataTypeArrayNumber,
+	}
+}

pkg/valuer/string.go

@@ -77,10 +77,3 @@ func (enum *String) UnmarshalText(text []byte) error {
 func (enum String) MarshalText() (text []byte, err error) {
 	return []byte(enum.StringValue()), nil
 }
-
-// Implement Gin's BindUnmarshaler interface
-// See https://github.com/SigNoz/signoz/pull/10219 description for additional details
-func (enum *String) UnmarshalParam(param string) error {
-	*enum = NewString(param)
-	return nil
-}