fix: qbtoexpr migrated to v5

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

@@ -9,8 +9,8 @@ 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"
@@ -22,8 +22,6 @@ 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"
 )
@@ -58,6 +56,7 @@ 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),
@@ -109,22 +108,7 @@ 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.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/query_range", am.ViewAccess(ah.queryRangeV5)).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/logparsingpipeline/collector_config_test.go

@@ -7,9 +7,9 @@ import (
 
 	"github.com/SigNoz/signoz/pkg/query-service/constants"
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
-	. "github.com/smartystreets/goconvey/convey"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"gopkg.in/yaml.v3"
 )
@@ -96,10 +96,10 @@ var buildProcessorTestData = []struct {
 
 func TestBuildLogParsingProcessors(t *testing.T) {
 	for _, test := range buildProcessorTestData {
-		Convey(test.Name, t, func() {
+		t.Run(test.Name, func(t *testing.T) {
 			err := updateProcessorConfigsInCollectorConf(test.agentConf, test.pipelineProcessor)
-			So(err, ShouldBeNil)
-			So(test.agentConf, ShouldResemble, test.outputConf)
+			assert.NoError(t, err)
+			assert.Equal(t, test.outputConf, test.agentConf)
 		})
 	}
 
@@ -202,11 +202,11 @@ var BuildLogsPipelineTestData = []struct {
 
 func TestBuildLogsPipeline(t *testing.T) {
 	for _, test := range BuildLogsPipelineTestData {
-		Convey(test.Name, t, func() {
+		t.Run(test.Name, func(t *testing.T) {
 			v, err := buildCollectorPipelineProcessorsList(test.currentPipeline, test.logsPipeline)
-			So(err, ShouldBeNil)
+			assert.NoError(t, err)
 			fmt.Println(test.Name, "\n", test.currentPipeline, "\n", v, "\n", test.expectedPipeline)
-			So(v, ShouldResemble, test.expectedPipeline)
+			assert.Equal(t, test.expectedPipeline, v)
 		})
 	}
 }
@@ -239,19 +239,8 @@ func TestPipelineAliasCollisionsDontResultInDuplicateCollectorProcessors(t *test
 				Alias:   alias,
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{
@@ -310,19 +299,8 @@ func TestPipelineRouterWorksEvenIfFirstOpIsDisabled(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{
@@ -383,19 +361,8 @@ func TestPipeCharInAliasDoesntBreakCollectorConfig(t *testing.T) {
 				Alias:   "test|pipeline",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{

pkg/query-service/app/logparsingpipeline/controller.go

@@ -11,13 +11,13 @@ import (
 	"github.com/SigNoz/signoz/pkg/query-service/agentConf"
 	"github.com/SigNoz/signoz/pkg/query-service/constants"
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/query-service/utils"
 	"github.com/SigNoz/signoz/pkg/querybuilder"
 	"github.com/SigNoz/signoz/pkg/sqlstore"
 	"github.com/SigNoz/signoz/pkg/types"
 	"github.com/SigNoz/signoz/pkg/types/opamptypes"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/valuer"
 	"github.com/google/uuid"
 
@@ -140,15 +140,8 @@ func (ic *LogParsingPipelineController) getDefaultPipelines() ([]pipelinetypes.G
 				Alias:   "NormalizeBodyDefault",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key: "body",
-						},
-						Operator: v3.FilterOperatorExists,
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "body EXISTS",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{

pkg/query-service/app/logparsingpipeline/pipelineBuilder_test.go

@@ -9,14 +9,14 @@ import (
 
 	signozstanzahelper "github.com/SigNoz/signoz-otel-collector/processor/signozlogspipelineprocessor/stanza/operator/helper"
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/query-service/utils"
 	"github.com/SigNoz/signoz/pkg/types"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/valuer"
 	"github.com/google/uuid"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/entry"
-	. "github.com/smartystreets/goconvey/convey"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -203,10 +203,10 @@ var prepareProcessorTestData = []struct {
 
 func TestPreparePipelineProcessor(t *testing.T) {
 	for _, test := range prepareProcessorTestData {
-		Convey(test.Name, t, func() {
+		t.Run(test.Name, func(t *testing.T) {
 			res, err := getOperators(test.Operators)
-			So(err, ShouldBeNil)
-			So(res, ShouldResemble, test.Output)
+			assert.NoError(t, err)
+			assert.Equal(t, test.Output, res)
 		})
 	}
 }
@@ -214,19 +214,8 @@ func TestPreparePipelineProcessor(t *testing.T) {
 func TestNoCollectorErrorsFromProcessorsForMismatchedLogs(t *testing.T) {
 	require := require.New(t)
 
-	testPipelineFilter := &v3.FilterSet{
-		Operator: "AND",
-		Items: []v3.FilterItem{
-			{
-				Key: v3.AttributeKey{
-					Key:      "method",
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeTag,
-				},
-				Operator: "=",
-				Value:    "GET",
-			},
-		},
+	testPipelineFilter := &qbtypes.Filter{
+		Expression: "attribute.method = 'GET'",
 	}
 	makeTestPipeline := func(config []pipelinetypes.PipelineOperator) pipelinetypes.GettablePipeline {
 		return pipelinetypes.GettablePipeline{
@@ -470,19 +459,8 @@ func TestResourceFiltersWork(t *testing.T) {
 			Alias:   "pipeline1",
 			Enabled: true,
 		},
-		Filter: &v3.FilterSet{
-			Operator: "AND",
-			Items: []v3.FilterItem{
-				{
-					Key: v3.AttributeKey{
-						Key:      "service",
-						DataType: v3.AttributeKeyDataTypeString,
-						Type:     v3.AttributeKeyTypeResource,
-					},
-					Operator: "=",
-					Value:    "nginx",
-				},
-			},
+		Filter: &qbtypes.Filter{
+			Expression: "resource.service = 'nginx'",
 		},
 		Config: []pipelinetypes.PipelineOperator{
 			{
@@ -524,11 +502,11 @@ func TestResourceFiltersWork(t *testing.T) {
 func TestPipelineFilterWithStringOpsShouldNotSpamWarningsIfAttributeIsMissing(t *testing.T) {
 	require := require.New(t)
 
-	for _, operator := range []v3.FilterOperator{
-		v3.FilterOperatorContains,
-		v3.FilterOperatorNotContains,
-		v3.FilterOperatorRegex,
-		v3.FilterOperatorNotRegex,
+	for _, operator := range []string{
+		"CONTAINS",
+		"NOT CONTAINS",
+		"REGEXP",
+		"NOT REGEXP",
 	} {
 		testPipeline := pipelinetypes.GettablePipeline{
 			StoreablePipeline: pipelinetypes.StoreablePipeline{
@@ -540,19 +518,8 @@ func TestPipelineFilterWithStringOpsShouldNotSpamWarningsIfAttributeIsMissing(t
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "service",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeResource,
-						},
-						Operator: operator,
-						Value:    "nginx",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: fmt.Sprintf("resource.service %s 'nginx'", operator),
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{
@@ -601,19 +568,8 @@ func TestAttributePathsContainingDollarDoNotBreakCollector(t *testing.T) {
 			Alias:   "pipeline1",
 			Enabled: true,
 		},
-		Filter: &v3.FilterSet{
-			Operator: "AND",
-			Items: []v3.FilterItem{
-				{
-					Key: v3.AttributeKey{
-						Key:      "$test",
-						DataType: v3.AttributeKeyDataTypeString,
-						Type:     v3.AttributeKeyTypeTag,
-					},
-					Operator: "=",
-					Value:    "test",
-				},
-			},
+		Filter: &qbtypes.Filter{
+			Expression: "attribute.$test = 'test'",
 		},
 		Config: []pipelinetypes.PipelineOperator{
 			{
@@ -664,19 +620,8 @@ func TestMembershipOpInProcessorFieldExpressions(t *testing.T) {
 			Alias:   "pipeline1",
 			Enabled: true,
 		},
-		Filter: &v3.FilterSet{
-			Operator: "AND",
-			Items: []v3.FilterItem{
-				{
-					Key: v3.AttributeKey{
-						Key:      "http.method",
-						DataType: v3.AttributeKeyDataTypeString,
-						Type:     v3.AttributeKeyTypeTag,
-					},
-					Operator: "=",
-					Value:    "GET",
-				},
-			},
+		Filter: &qbtypes.Filter{
+			Expression: "attribute.http.method = 'GET'",
 		},
 		Config: []pipelinetypes.PipelineOperator{
 			{
@@ -773,18 +718,8 @@ func TestContainsFilterIsCaseInsensitive(t *testing.T) {
 			Alias:   "pipeline1",
 			Enabled: true,
 		},
-		Filter: &v3.FilterSet{
-			Operator: "AND",
-			Items: []v3.FilterItem{{
-				Key: v3.AttributeKey{
-					Key:      "body",
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeUnspecified,
-					IsColumn: true,
-				},
-				Operator: "contains",
-				Value:    "log",
-			}},
+		Filter: &qbtypes.Filter{
+			Expression: "body CONTAINS 'log'",
 		},
 		Config: []pipelinetypes.PipelineOperator{
 			{
@@ -806,18 +741,8 @@ func TestContainsFilterIsCaseInsensitive(t *testing.T) {
 			Alias:   "pipeline2",
 			Enabled: true,
 		},
-		Filter: &v3.FilterSet{
-			Operator: "AND",
-			Items: []v3.FilterItem{{
-				Key: v3.AttributeKey{
-					Key:      "body",
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeUnspecified,
-					IsColumn: true,
-				},
-				Operator: "ncontains",
-				Value:    "ecom",
-			}},
+		Filter: &qbtypes.Filter{
+			Expression: "body NCONTAINS 'ecom'",
 		},
 		Config: []pipelinetypes.PipelineOperator{
 			{

pkg/query-service/app/logparsingpipeline/preview_test.go

@@ -7,8 +7,8 @@ import (
 	"time"
 
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/google/uuid"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/entry"
 	"github.com/stretchr/testify/require"
@@ -25,19 +25,8 @@ func TestPipelinePreview(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{
@@ -58,19 +47,8 @@ func TestPipelinePreview(t *testing.T) {
 				Alias:   "pipeline2",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{
@@ -159,19 +137,8 @@ func TestGrokParsingProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{
 				{

pkg/query-service/app/logparsingpipeline/processors_test.go

@@ -10,8 +10,8 @@ import (
 	"time"
 
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/query-service/utils"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
 	"github.com/stretchr/testify/require"
 )
@@ -30,19 +30,8 @@ func TestRegexProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -97,19 +86,8 @@ func TestGrokProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -164,19 +142,8 @@ func TestJSONProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -230,20 +197,9 @@ func TestTraceParsingProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
-			},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
+			},	
 			Config: []pipelinetypes.PipelineOperator{},
 		},
 	}
@@ -339,19 +295,8 @@ func TestAddProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -404,19 +349,8 @@ func TestRemoveProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -469,19 +403,8 @@ func TestCopyProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -535,19 +458,8 @@ func TestMoveProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},

pkg/query-service/app/logparsingpipeline/severity_parser_test.go

@@ -7,8 +7,8 @@ import (
 	"testing"
 
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/stretchr/testify/require"
 )
 
@@ -23,19 +23,8 @@ func TestSeverityParsingProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},
@@ -141,19 +130,8 @@ func TestSeverityParsingProcessor(t *testing.T) {
 func TestNoCollectorErrorsFromSeverityParserForMismatchedLogs(t *testing.T) {
 	require := require.New(t)
 
-	testPipelineFilter := &v3.FilterSet{
-		Operator: "AND",
-		Items: []v3.FilterItem{
-			{
-				Key: v3.AttributeKey{
-					Key:      "method",
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeTag,
-				},
-				Operator: "=",
-				Value:    "GET",
-			},
-		},
+	testPipelineFilter := &qbtypes.Filter{
+		Expression: "attribute.method = 'GET'",
 	}
 	makeTestPipeline := func(config []pipelinetypes.PipelineOperator) pipelinetypes.GettablePipeline {
 		return pipelinetypes.GettablePipeline{

pkg/query-service/app/logparsingpipeline/time_parser_test.go

@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"github.com/SigNoz/signoz/pkg/query-service/model"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/types/pipelinetypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/stretchr/testify/require"
 )
 
@@ -24,19 +24,8 @@ func TestTimestampParsingProcessor(t *testing.T) {
 				Alias:   "pipeline1",
 				Enabled: true,
 			},
-			Filter: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      "method",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: "=",
-						Value:    "GET",
-					},
-				},
+			Filter: &qbtypes.Filter{
+				Expression: "attribute.method = 'GET'",
 			},
 			Config: []pipelinetypes.PipelineOperator{},
 		},

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/query-service/queryBuilderToExpr/queryBuilderToExpr.go

@@ -2,11 +2,16 @@ package queryBuilderToExpr
 
 import (
 	"fmt"
+	"maps"
 	"reflect"
+	"regexp"
 	"strings"
 
 	"github.com/SigNoz/signoz/pkg/errors"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
+	"github.com/SigNoz/signoz/pkg/querybuilder"
+	"github.com/SigNoz/signoz/pkg/telemetrylogs"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	expr "github.com/antonmedv/expr"
 	"go.uber.org/zap"
 )
@@ -15,119 +20,220 @@ var (
 	CodeExprCompilationFailed = errors.MustNewCode("expr_compilation_failed")
 )
 
-var logOperatorsToExpr = map[v3.FilterOperator]string{
-	v3.FilterOperatorEqual:           "==",
-	v3.FilterOperatorNotEqual:        "!=",
-	v3.FilterOperatorLessThan:        "<",
-	v3.FilterOperatorLessThanOrEq:    "<=",
-	v3.FilterOperatorGreaterThan:     ">",
-	v3.FilterOperatorGreaterThanOrEq: ">=",
-	v3.FilterOperatorContains:        "contains",
-	v3.FilterOperatorNotContains:     "not contains",
-	v3.FilterOperatorRegex:           "matches",
-	v3.FilterOperatorNotRegex:        "not matches",
-	v3.FilterOperatorIn:              "in",
-	v3.FilterOperatorNotIn:           "not in",
-	v3.FilterOperatorExists:          "in",
-	v3.FilterOperatorNotExists:       "not in",
-	// we dont support like and nlike as of now.
+var logOperatorsToExpr = map[qbtypes.FilterOperator]string{
+	qbtypes.FilterOperatorEqual:           "==",
+	qbtypes.FilterOperatorNotEqual:        "!=",
+	qbtypes.FilterOperatorLessThan:        "<",
+	qbtypes.FilterOperatorLessThanOrEq:    "<=",
+	qbtypes.FilterOperatorGreaterThan:     ">",
+	qbtypes.FilterOperatorGreaterThanOrEq: ">=",
+	qbtypes.FilterOperatorContains:        "contains",
+	qbtypes.FilterOperatorNotContains:     "not contains",
+	qbtypes.FilterOperatorRegexp:          "matches",
+	qbtypes.FilterOperatorNotRegexp:       "not matches",
+	qbtypes.FilterOperatorIn:              "in",
+	qbtypes.FilterOperatorNotIn:           "not in",
+	qbtypes.FilterOperatorExists:          "in",
+	qbtypes.FilterOperatorNotExists:       "not in",
+	// nlike and like are not supported yet
 }
 
-func getName(v v3.AttributeKey) string {
-	if v.Type == v3.AttributeKeyTypeTag {
-		return fmt.Sprintf(`attributes["%s"]`, v.Key)
-	} else if v.Type == v3.AttributeKeyTypeResource {
-		return fmt.Sprintf(`resource["%s"]`, v.Key)
+func getName(key *telemetrytypes.TelemetryFieldKey) string {
+	if key == nil {
+		return ""
 	}
-	return v.Key
-}
-
-func getTypeName(v v3.AttributeKeyType) string {
-	if v == v3.AttributeKeyTypeTag {
-		return "attributes"
-	} else if v == v3.AttributeKeyTypeResource {
-		return "resource"
+	switch key.FieldContext {
+	case telemetrytypes.FieldContextAttribute:
+		return fmt.Sprintf(`attributes["%s"]`, key.Name)
+	case telemetrytypes.FieldContextResource:
+		return fmt.Sprintf(`resource["%s"]`, key.Name)
+	case telemetrytypes.FieldContextBody:
+		return fmt.Sprintf("%s.%s", key.FieldContext.StringValue(), key.Name)
+	default:
+		return key.Name
 	}
-	return ""
 }
 
-func Parse(filters *v3.FilterSet) (string, error) {
-	var res []string
-	for _, v := range filters.Items {
-		if _, ok := logOperatorsToExpr[v.Operator]; !ok {
-			return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "operator not supported: %s", v.Operator)
-		}
+func parseCondition(c qbtypes.FilterCondition) (string, error) {
+	if len(c.Keys) == 0 {
+		return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "condition has no keys")
+	}
+	key := c.Keys[0]
+	if _, ok := logOperatorsToExpr[c.Op]; !ok {
+		return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "operator not supported: %d", c.Op)
+	}
 
-		name := getName(v.Key)
+	value := exprFormattedValue(c.Value)
+	var filter string
 
-		var filter string
+	switch c.Op {
+	case qbtypes.FilterOperatorExists, qbtypes.FilterOperatorNotExists:
+		// EXISTS/NOT EXISTS checks are special:
+		//   - For body fields, we check membership in fromJSON(body) using the JSON field name.
+		//   - For attribute/resource fields, we check membership in the appropriate map
+		//     ("attributes" or "resource") using the logical field name.
+		//   - For intrinsic / top‑level fields (no explicit context), we fall back to
+		//     equality against nil (see default case below).
+		switch key.FieldContext {
+		case telemetrytypes.FieldContextBody:
+			// if body is a string and is a valid JSON, then check if the key exists in the JSON
+			quoted := exprFormattedValue(key.Name)
+			jsonMembership := fmt.Sprintf(
+				`((type(body) == "string" && isJSON(body)) && %s %s %s)`,
+				quoted, logOperatorsToExpr[c.Op], "fromJSON(body)",
+			)
 
-		switch v.Operator {
-		// uncomment following lines when new version of expr is used
-		// case v3.FilterOperatorIn, v3.FilterOperatorNotIn:
-		// 	filter = fmt.Sprintf("%s %s list%s", name, logOperatorsToExpr[v.Operator], exprFormattedValue(v.Value))
-
-		case v3.FilterOperatorExists, v3.FilterOperatorNotExists:
-			// accustom log filters like `body.log.message EXISTS` into EXPR language
-			// where User is attempting to check for keys present in JSON log body
-			if strings.HasPrefix(v.Key.Key, "body.") {
-				// if body is a string and is a valid JSON, then check if the key exists in the JSON
-				filter = fmt.Sprintf(`((type(body) == "string" && isJSON(body)) && %s %s %s)`, exprFormattedValue(strings.TrimPrefix(v.Key.Key, "body.")), logOperatorsToExpr[v.Operator], "fromJSON(body)")
-
-				// if body is a map, then check if the key exists in the map
-				operator := v3.FilterOperatorNotEqual
-				if v.Operator == v3.FilterOperatorNotExists {
-					operator = v3.FilterOperatorEqual
-				}
-				nilCheckFilter := fmt.Sprintf("%s %s nil", v.Key.Key, logOperatorsToExpr[operator])
-
-				// join the two filters with OR
-				filter = fmt.Sprintf(`(%s or (type(body) == "map" && (%s)))`, filter, nilCheckFilter)
-			} else if typ := getTypeName(v.Key.Type); typ != "" {
-				filter = fmt.Sprintf("%s %s %s", exprFormattedValue(v.Key.Key), logOperatorsToExpr[v.Operator], typ)
-			} else {
-				// if type of key is not available; is considered as TOP LEVEL key in OTEL Log Data model hence
-				// switch Exist and Not Exists operators with NOT EQUAL and EQUAL respectively
-				operator := v3.FilterOperatorNotEqual
-				if v.Operator == v3.FilterOperatorNotExists {
-					operator = v3.FilterOperatorEqual
-				}
-
-				filter = fmt.Sprintf("%s %s nil", v.Key.Key, logOperatorsToExpr[operator])
+			// if body is a map, then check if the key exists in the map
+			operator := qbtypes.FilterOperatorNotEqual
+			if c.Op == qbtypes.FilterOperatorNotExists {
+				operator = qbtypes.FilterOperatorEqual
 			}
+			nilCheckFilter := fmt.Sprintf("%s.%s %s nil", key.FieldContext.StringValue(), key.Name, logOperatorsToExpr[operator])
+
+			// join the two filters with OR
+			filter = fmt.Sprintf(`(%s or (type(body) == "map" && (%s)))`, jsonMembership, nilCheckFilter)
+		case telemetrytypes.FieldContextAttribute, telemetrytypes.FieldContextResource:
+			// Example: "http.method" in attributes
+			target := "resource"
+			if key.FieldContext == telemetrytypes.FieldContextAttribute {
+				target = "attributes"
+			}
+			filter = fmt.Sprintf("%q %s %s", key.Name, logOperatorsToExpr[c.Op], target)
 		default:
-			filter = fmt.Sprintf("%s %s %s", name, logOperatorsToExpr[v.Operator], exprFormattedValue(v.Value))
-
-			if v.Operator == v3.FilterOperatorContains || v.Operator == v3.FilterOperatorNotContains {
-				// `contains` and `ncontains` should be case insensitive to match how they work when querying logs.
-				filter = fmt.Sprintf(
-					"lower(%s) %s lower(%s)",
-					name, logOperatorsToExpr[v.Operator], exprFormattedValue(v.Value),
-				)
-			}
-
-			// Avoid running operators on nil values
-			if v.Operator != v3.FilterOperatorEqual && v.Operator != v3.FilterOperatorNotEqual {
-				filter = fmt.Sprintf("%s != nil && %s", name, filter)
+			// if type of key is not available; is considered as TOP LEVEL key in OTEL Log Data model hence
+			// switch Exist and Not Exists operators with NOT EQUAL and EQUAL respectively
+			operator := qbtypes.FilterOperatorNotEqual
+			if c.Op == qbtypes.FilterOperatorNotExists {
+				operator = qbtypes.FilterOperatorEqual
 			}
+			filter = fmt.Sprintf("%s %s nil", key.Name, logOperatorsToExpr[operator])
+		}
+	default:
+		filter = fmt.Sprintf("%s %s %s", getName(key), logOperatorsToExpr[c.Op], value)
+		if c.Op == qbtypes.FilterOperatorContains || c.Op == qbtypes.FilterOperatorNotContains {
+			// `contains` and `ncontains` should be case insensitive to match how they work when querying logs.
+			filter = fmt.Sprintf(
+				"lower(%s) %s lower(%s)",
+				getName(key), logOperatorsToExpr[c.Op], value,
+			)
 		}
 
-		// check if the filter is a correct expression language
-		_, err := expr.Compile(filter)
-		if err != nil {
-			return "", err
+		// Avoid running operators on nil values
+		if c.Op != qbtypes.FilterOperatorEqual && c.Op != qbtypes.FilterOperatorNotEqual {
+			filter = fmt.Sprintf("%s != nil && %s", getName(key), filter)
 		}
-		res = append(res, filter)
 	}
 
-	// check the final filter
-	q := strings.Join(res, " "+strings.ToLower(filters.Operator)+" ")
-	_, err := expr.Compile(q)
+	_, err := expr.Compile(filter)
 	if err != nil {
-		return "", errors.WrapInternalf(err, CodeExprCompilationFailed, "failed to compile expression: %s", q)
+		return "", err
+	}
+	return filter, nil
+}
+
+// Parse converts the QB filter Expression (query builder expression string) into
+// the Expr expression string used by the collector. It parses the QB expression
+// into a FilterExprNode tree, then serializes that tree to the Expr dialect.
+func Parse(filter *qbtypes.Filter) (string, error) {
+	if filter == nil || strings.TrimSpace(filter.Expression) == "" {
+		return "", nil
+	}
+	node, err := querybuilder.ExtractFilterExprTree(filter.Expression)
+	if err != nil {
+		return "", err
+	}
+	if node == nil {
+		return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "invalid filter expression; node found nil")
 	}
 
-	return q, nil
+	for _, condition := range node.Flatten() {
+		for _, key := range condition.Keys {
+			_, found := telemetrylogs.IntrinsicFields[key.Name]
+			if key.FieldContext == telemetrytypes.FieldContextUnspecified && !found {
+				return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "field %q in filter expression must include a context prefix (attribute., resource., body.) OR can be one of the following fields: %v", key.Name, maps.Keys(telemetrylogs.IntrinsicFields))
+			}
+		}
+		if condition.Op == qbtypes.FilterOperatorRegexp || condition.Op == qbtypes.FilterOperatorNotRegexp {
+			switch condition.Value.(type) {
+			case string:
+				if _, err := regexp.Compile(condition.Value.(string)); err != nil {
+					return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "value for regex operator must be a valid regex")
+				}
+			default:
+				return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "value for regex operator must be a string or a slice of strings")
+			}
+		}
+	}
+
+	return nodeToExpr(node)
+}
+
+func nodeToExpr(node *qbtypes.FilterExprNode) (string, error) {
+	if node == nil {
+		return "", nil
+	}
+
+	switch node.Op {
+	case qbtypes.LogicalOpLeaf:
+		var parts []string
+		for _, c := range node.Conditions {
+			s, err := parseCondition(c)
+			if err != nil {
+				return "", err
+			}
+			parts = append(parts, s)
+		}
+		if len(parts) == 0 {
+			return "", nil
+		}
+		// For a simple leaf, just join conditions with AND without wrapping
+		// the whole clause in parentheses
+		return strings.Join(parts, " and "), nil
+	case qbtypes.LogicalOpAnd:
+		var parts []string
+		for _, child := range node.Children {
+			if child == nil {
+				continue
+			}
+			s, err := nodeToExpr(child)
+			if err != nil {
+				return "", err
+			}
+			// When mixing AND/OR, we need parentheses around any OR child to
+			// preserve the intended precedence: (a and (b or c)).
+			if child.Op == qbtypes.LogicalOpOr {
+				s = fmt.Sprintf("(%s)", s)
+			}
+			parts = append(parts, s)
+		}
+		if len(parts) == 0 {
+			return "", nil
+		}
+		return strings.Join(parts, " and "), nil
+	case qbtypes.LogicalOpOr:
+		var parts []string
+		for _, child := range node.Children {
+			if child == nil {
+				continue
+			}
+			s, err := nodeToExpr(child)
+			if err != nil {
+				return "", err
+			}
+			// When mixing AND/OR, we need parentheses around any AND child to
+			// preserve the intended precedence: ((a and b) or c).
+			if child.Op == qbtypes.LogicalOpAnd {
+				s = fmt.Sprintf("(%s)", s)
+			}
+			parts = append(parts, s)
+		}
+		if len(parts) == 0 {
+			return "", nil
+		}
+		return strings.Join(parts, " or "), nil
+	default:
+		return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "unsupported logical op: %s", node.Op)
+	}
 }
 
 func exprFormattedValue(v interface{}) string {
@@ -135,13 +241,12 @@ func exprFormattedValue(v interface{}) string {
 	case uint8, uint16, uint32, uint64, int, int8, int16, int32, int64:
 		return fmt.Sprintf("%d", x)
 	case float32, float64:
-		return fmt.Sprintf("%f", x)
+		return fmt.Sprintf("%v", x)
 	case string:
 		return fmt.Sprintf("\"%s\"", quoteEscapedString(x))
 	case bool:
 		return fmt.Sprintf("%v", x)
-
-	case []interface{}:
+	case []any:
 		if len(x) == 0 {
 			return ""
 		}

pkg/query-service/queryBuilderToExpr/queryBuilderToExpr_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 
 	signozstanzahelper "github.com/SigNoz/signoz-otel-collector/processor/signozlogspipelineprocessor/stanza/operator/helper"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/expr-lang/expr/vm"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/entry"
 	"github.com/stretchr/testify/assert"
@@ -13,183 +13,177 @@ import (
 func TestParseExpression(t *testing.T) {
 	var testCases = []struct {
 		Name        string
-		Query       *v3.FilterSet
+		Query       *qbtypes.Filter
 		Expr        string
 		ExpectError bool
 	}{
 		{
 			Name: "equal",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "checkbody", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key = 'checkbody'",
+			},
 			Expr: `attributes["key"] == "checkbody"`,
 		},
 		{
 			Name: "not equal",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "checkbody", Operator: "!="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key != 'checkbody'",
+			},
 			Expr: `attributes["key"] != "checkbody"`,
 		},
 		{
 			Name: "less than",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key < 10",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] < 10`,
 		},
 		{
 			Name: "greater than",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: ">"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key > 10",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] > 10`,
 		},
 		{
 			Name: "less than equal",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key <= 10",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] <= 10`,
 		},
 		{
 			Name: "greater than equal",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: ">="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key >= 10",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] >= 10`,
 		},
 		// case sensitive
 		{
 			Name: "body contains",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body contains 'checkbody'",
+			},
 			Expr: `body != nil && lower(body) contains lower("checkbody")`,
 		},
 		{
 			Name: "body.log.message exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body.log.message", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body.log.message exists",
+			},
 			Expr: `(((type(body) == "string" && isJSON(body)) && "log.message" in fromJSON(body)) or (type(body) == "map" && (body.log.message != nil)))`,
 		},
 		{
 			Name: "body.log.message not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body.log.message", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body.log.message not exists",
+			},
 			Expr: `(((type(body) == "string" && isJSON(body)) && "log.message" not in fromJSON(body)) or (type(body) == "map" && (body.log.message == nil)))`,
 		},
 		{
-			Name: "body ncontains",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "ncontains"},
-			}},
+			Name: "body NOT CONTAINS",
+			Query: &qbtypes.Filter{
+				Expression: "body NOT CONTAINS 'checkbody'",
+			},
 			Expr: `body != nil && lower(body) not contains lower("checkbody")`,
 		},
 		{
-			Name: "body regex",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "regex"},
-			}},
+			Name: "body REGEXP",
+			Query: &qbtypes.Filter{
+				Expression: "body REGEXP '[0-1]+regex$'",
+			},
 			Expr: `body != nil && body matches "[0-1]+regex$"`,
 		},
 		{
-			Name: "body not regex",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "nregex"},
-			}},
+			Name: "body NOT REGEXP",
+			Query: &qbtypes.Filter{
+				Expression: "body NOT REGEXP '[0-1]+regex$'",
+			},
 			Expr: `body != nil && body not matches "[0-1]+regex$"`,
 		},
 		{
 			Name: "regex with escape characters",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: `^Executing \[\S+@\S+:[0-9]+\] \S+".*`, Operator: "regex"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body REGEXP '^Executing \\[\\S+@\\S+:[0-9]+\\] \\S+\".*'",
+			},
 			Expr: `body != nil && body matches "^Executing \\[\\S+@\\S+:[0-9]+\\] \\S+\".*"`,
 		},
 		{
 			Name: "invalid regex",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-9]++", Operator: "nregex"},
-			}},
-			Expr:        `body != nil && lower(body) not matches "[0-9]++"`,
+			Query: &qbtypes.Filter{
+				Expression: "body not REGEXP '[0-9]++'",
+			},
 			ExpectError: true,
 		},
 		{
 			Name: "in",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{1, 2, 3, 4}, Operator: "in"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key in [1,2,3,4]",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] in [1,2,3,4]`,
 		},
 		{
 			Name: "not in",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{"1", "2"}, Operator: "nin"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key not in ['1','2']",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] not in ['1','2']`,
 		},
 		{
 			Name: "exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key exists",
+			},
 			Expr: `"key" in attributes`,
 		},
 		{
 			Name: "not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key not exists",
+			},
 			Expr: `"key" not in attributes`,
 		},
 		{
 			Name: "trace_id not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "trace_id not exists",
+			},
 			Expr: `trace_id == nil`,
 		},
 		{
 			Name: "trace_id exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "trace_id exists",
+			},
 			Expr: `trace_id != nil`,
 		},
 		{
 			Name: "span_id not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "span_id not exists",
+			},
 			Expr: `span_id == nil`,
 		},
 		{
 			Name: "span_id exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "span_id exists",
+			},
 			Expr: `span_id != nil`,
 		},
 		{
 			Name: "Multi filter",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "nregex"},
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key <= 10 and body not regexp '[0-1]+regex$' and attribute.key not exists",
+			},
 			Expr: `attributes["key"] != nil && attributes["key"] <= 10 and body != nil && body not matches "[0-1]+regex$" and "key" not in attributes`,
 		},
 		{
 			Name: "incorrect multi filter",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-9]++", Operator: "nregex"},
-				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-			}},
-			Expr:        `attributes["key"] != nil && attributes["key"] <= 10 and body not matches "[0-9]++" and "key" not in attributes`,
+			Query: &qbtypes.Filter{
+				Expression: "attribute.key <= 10 and body not regexp '[0-9]++' and attribute.key not exists",
+			},
 			ExpectError: true,
 		},
 	}
@@ -267,248 +261,234 @@ func TestExpressionVSEntry(t *testing.T) {
 
 	var testCases = []struct {
 		Name            string
-		Query           *v3.FilterSet
+		Query           *qbtypes.Filter
 		ExpectedMatches []int
 	}{
 		{
 			Name: "resource equal (env)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "resource.env = 'prod'",
+			},
 			ExpectedMatches: []int{0, 1, 4, 5, 9, 11, 13, 14, 17, 18},
 		},
 		{
 			Name: "resource not equal (env)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "!="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "resource.env != 'prod'",
+			},
 			ExpectedMatches: []int{2, 3, 6, 7, 8, 10, 12, 15, 16, 19, 20},
 		},
 		{
 			Name: "attribute less than (numeric)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "count", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 8, Operator: "<"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.count < 8",
+			},
 			ExpectedMatches: []int{4},
 		},
 		{
 			Name: "attribute greater than (numeric)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "count", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 8, Operator: ">"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.count > 8",
+			},
 			ExpectedMatches: []int{5},
 		},
 		{
 			Name: "body contains (case insensitive)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body contains 'checkbody'",
+			},
 			ExpectedMatches: []int{2, 9, 10, 16},
 		},
 		{
-			Name: "body ncontains",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "ncontains"},
-			}},
+			Name: "body NOT CONTAINS",
+			Query: &qbtypes.Filter{
+				Expression: "body NOT CONTAINS 'checkbody'",
+			},
 			ExpectedMatches: []int{0, 1, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 17},
 		},
 		{
 			Name: "body.msg (case insensitive)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body.msg", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: false}, Value: "checkbody", Operator: "contains"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body.msg contains 'checkbody'",
+			},
 			ExpectedMatches: []int{2, 9, 10, 18},
 		},
 		{
-			Name: "body regex",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex", Operator: "regex"},
-			}},
+			Name: "body REGEXP",
+			Query: &qbtypes.Filter{
+				Expression: "body REGEXP '[0-1]+regex'",
+			},
 			ExpectedMatches: []int{4},
 		},
 		{
-			Name: "body not regex",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex", Operator: "nregex"},
-			}},
+			Name: "body NOT REGEXP",
+			Query: &qbtypes.Filter{
+				Expression: "body NOT REGEXP '[0-1]+regex'",
+			},
 			ExpectedMatches: []int{0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17},
 		},
 		// body.log.message exists/nexists: expr checks "log.message" in fromJSON(body); nested key
 		// semantics depend on signoz stanza helper. Omitted here to avoid coupling to env shape.
 		{
 			Name: "body top-level key exists (body.msg)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body.msg", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body.msg exists",
+			},
 			ExpectedMatches: []int{0, 1, 2, 3, 4, 5, 9, 10, 11, 12, 18},
 		},
 		{
 			Name: "body top-level key not exists (body.missing)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body.missing", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body.missing not exists",
+			},
 			ExpectedMatches: []int{0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 18, 20},
 		},
 		{
 			Name: "attribute exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.service exists",
+			},
 			ExpectedMatches: []int{6, 7, 8, 15},
 		},
 		{
 			Name: "attribute not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.service not exists",
+			},
 			ExpectedMatches: []int{0, 1, 2, 3, 4, 5, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20},
 		},
 		{
 			Name: "trace_id exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "trace_id exists",
+			},
 			ExpectedMatches: []int{1, 2, 5, 7, 12, 15, 19},
 		},
 		{
 			Name: "trace_id not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "trace_id not exists",
+			},
 			ExpectedMatches: []int{0, 3, 4, 6, 8, 9, 10, 11, 13, 14, 16, 17, 18, 20},
 		},
 		{
 			Name: "span_id exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "span_id exists",
+			},
 			ExpectedMatches: []int{1, 3, 5, 12, 17, 20},
 		},
 		{
 			Name: "span_id not exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "span_id not exists",
+			},
 			ExpectedMatches: []int{0, 2, 4, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18, 19},
 		},
 		{
 			Name: "in (attribute in list)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{"info", "error"}, Operator: "in"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.level in ['info', 'error']",
+			},
 			ExpectedMatches: []int{0, 1, 2, 14, 16, 20},
 		},
 		{
 			Name: "not in (attribute not in list)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{"error", "warn"}, Operator: "nin"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.level not in ['error', 'warn']",
+			},
 			ExpectedMatches: []int{0, 2, 3, 16, 20},
 		},
 		{
 			Name: "multi filter AND",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "staging", Operator: "="},
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "info", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "resource.env = 'staging' and attribute.level = 'info'",
+			},
 			ExpectedMatches: []int{2, 16},
 		},
 		{
 			Name: "multi filter AND (two attributes)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "auth", Operator: "="},
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.service = 'auth' and attribute.level not exists",
+			},
 			ExpectedMatches: []int{6, 7},
 		},
 		// Multi-filter variations: body + attribute, three conditions, trace/span + attribute
 		{
 			Name: "multi filter AND body contains + attribute",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "Connection", Operator: "contains"},
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body contains 'Connection' and resource.env = 'prod'",
+			},
 			ExpectedMatches: []int{14},
 		},
 		{
 			Name: "multi filter AND body contains + service",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "login", Operator: "contains"},
-				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "auth", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body contains 'login' and attribute.service = 'auth'",
+			},
 			ExpectedMatches: []int{6, 15},
 		},
 		{
 			Name: "multi filter AND env + level (prod error)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "error", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "resource.env = 'prod' and attribute.level = 'error'",
+			},
 			ExpectedMatches: []int{1, 14},
 		},
 		{
 			Name: "multi filter AND three conditions (staging + checkbody + info)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "staging", Operator: "="},
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "info", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "resource.env = 'staging' and body contains 'checkbody' and attribute.level = 'info'",
+			},
 			ExpectedMatches: []int{2, 16},
 		},
 		{
 			Name: "multi filter AND trace_id exists + body contains",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "trace_id exists and body contains 'checkbody'",
+			},
 			ExpectedMatches: []int{2},
 		},
 		{
 			Name: "multi filter AND span_id nexists + service auth",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "auth", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "span_id not exists and attribute.service = 'auth'",
+			},
 			ExpectedMatches: []int{6, 7, 15},
 		},
 		{
 			Name: "multi filter AND body regex + attribute",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex", Operator: "regex"},
-				{Key: v3.AttributeKey{Key: "code", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "200", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "body regexp '[0-1]+regex' and attribute.code = '200'",
+			},
 			ExpectedMatches: []int{4},
 		},
 		{
 			Name: "multi filter AND no trace_id + no span_id + env prod",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "trace_id not exists and span_id not exists and resource.env = 'prod'",
+			},
 			ExpectedMatches: []int{0, 4, 9, 11, 13, 14, 18},
 		},
 		{
 			Name: "multi filter AND level warn + body contains",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "warn", Operator: "="},
-				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "disk", Operator: "contains"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.level = 'warn' and body contains 'disk'",
+			},
 			ExpectedMatches: []int{17},
 		},
 		{
-			Name: "no matches (attribute value not present)",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "never", Operator: "="},
-			}},
+			Name: "no matches (resource value not present)",
+			Query: &qbtypes.Filter{
+				Expression: "resource.env = 'never'",
+			},
 			ExpectedMatches: []int{},
 		},
 		{
 			Name: "attribute equal and trace_id exists",
-			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-				{Key: v3.AttributeKey{Key: "code", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "404", Operator: "="},
-				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-			}},
+			Query: &qbtypes.Filter{
+				Expression: "attribute.code = '404' and trace_id exists",
+			},
 			ExpectedMatches: []int{5},
 		},
 	}

pkg/querybuilder/filter_introspect.go

@@ -0,0 +1,392 @@
+package querybuilder
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	grammar "github.com/SigNoz/signoz/pkg/parser/grammar"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/antlr4-go/antlr/v4"
+)
+
+// ExtractFilterExprTree parses a v5 filter expression and returns a logical
+// tree that preserves full boolean structure (AND/OR, parentheses, NOT) as
+// well as the individual conditions (keys, operator, values).
+//
+// This can be reused by callers that need deeper introspection into the logic
+// of the filter expression without constructing any SQL or query-engine
+// specific structures.
+func ExtractFilterExprTree(expr string) (*qbtypes.FilterExprNode, error) {
+	if strings.TrimSpace(expr) == "" {
+		return nil, nil
+	}
+
+	// Setup the ANTLR parsing pipeline (same grammar as PrepareWhereClause).
+	input := antlr.NewInputStream(expr)
+	lexer := grammar.NewFilterQueryLexer(input)
+
+	lexerErrorListener := NewErrorListener()
+	lexer.RemoveErrorListeners()
+	lexer.AddErrorListener(lexerErrorListener)
+
+	tokens := antlr.NewCommonTokenStream(lexer, 0)
+	parserErrorListener := NewErrorListener()
+	parser := grammar.NewFilterQueryParser(tokens)
+	parser.RemoveErrorListeners()
+	parser.AddErrorListener(parserErrorListener)
+
+	tree := parser.Query()
+
+	// Handle syntax errors
+	if len(parserErrorListener.SyntaxErrors) > 0 {
+		combinedErrors := errors.Newf(
+			errors.TypeInvalidInput,
+			errors.CodeInvalidInput,
+			"Found %d syntax errors while parsing the search expression.",
+			len(parserErrorListener.SyntaxErrors),
+		)
+		additionals := make([]string, 0, len(parserErrorListener.SyntaxErrors))
+		for _, err := range parserErrorListener.SyntaxErrors {
+			if err.Error() != "" {
+				additionals = append(additionals, err.Error())
+			}
+		}
+
+		return nil, combinedErrors.WithAdditional(additionals...)
+	}
+
+	visitor := &filterTreeVisitor{}
+	rootAny := visitor.Visit(tree)
+	if len(visitor.errors) > 0 {
+		combinedErrors := errors.Newf(
+			errors.TypeInvalidInput,
+			errors.CodeInvalidInput,
+			"Found %d errors while parsing the search expression.",
+			len(visitor.errors),
+		)
+		return nil, combinedErrors.WithAdditional(visitor.errors...)
+	}
+
+	root, _ := rootAny.(*qbtypes.FilterExprNode)
+	return root, nil
+}
+
+// filterTreeVisitor builds a FilterExprNode tree from the parse tree.
+type filterTreeVisitor struct {
+	errors []string
+}
+
+// Visit dispatches based on node type.
+func (v *filterTreeVisitor) Visit(tree antlr.ParseTree) any {
+	if tree == nil {
+		return nil
+	}
+
+	switch t := tree.(type) {
+	case *grammar.QueryContext:
+		return v.VisitQuery(t)
+	case *grammar.ExpressionContext:
+		return v.VisitExpression(t)
+	case *grammar.OrExpressionContext:
+		return v.VisitOrExpression(t)
+	case *grammar.AndExpressionContext:
+		return v.VisitAndExpression(t)
+	case *grammar.UnaryExpressionContext:
+		return v.VisitUnaryExpression(t)
+	case *grammar.PrimaryContext:
+		return v.VisitPrimary(t)
+	case *grammar.ComparisonContext:
+		return v.VisitComparison(t)
+	default:
+		return nil
+	}
+}
+
+func (v *filterTreeVisitor) VisitQuery(ctx *grammar.QueryContext) any {
+	return v.Visit(ctx.Expression())
+}
+
+func (v *filterTreeVisitor) VisitExpression(ctx *grammar.ExpressionContext) any {
+	return v.Visit(ctx.OrExpression())
+}
+
+func (v *filterTreeVisitor) VisitOrExpression(ctx *grammar.OrExpressionContext) any {
+	andExprs := ctx.AllAndExpression()
+	children := make([]*qbtypes.FilterExprNode, 0, len(andExprs))
+
+	for _, andExpr := range andExprs {
+		if node, ok := v.Visit(andExpr).(*qbtypes.FilterExprNode); ok && node != nil {
+			children = append(children, node)
+		}
+	}
+
+	if len(children) == 0 {
+		return nil
+	}
+	if len(children) == 1 {
+		return children[0]
+	}
+
+	return &qbtypes.FilterExprNode{
+		Op:       qbtypes.LogicalOpOr,
+		Children: children,
+	}
+}
+
+func (v *filterTreeVisitor) VisitAndExpression(ctx *grammar.AndExpressionContext) any {
+	unaryExprs := ctx.AllUnaryExpression()
+	children := make([]*qbtypes.FilterExprNode, 0, len(unaryExprs))
+
+	for _, unary := range unaryExprs {
+		if node, ok := v.Visit(unary).(*qbtypes.FilterExprNode); ok && node != nil {
+			children = append(children, node)
+		}
+	}
+
+	if len(children) == 0 {
+		return nil
+	}
+	if len(children) == 1 {
+		return children[0]
+	}
+
+	return &qbtypes.FilterExprNode{
+		Op:       qbtypes.LogicalOpAnd,
+		Children: children,
+	}
+}
+
+func (v *filterTreeVisitor) VisitUnaryExpression(ctx *grammar.UnaryExpressionContext) any {
+	node, _ := v.Visit(ctx.Primary()).(*qbtypes.FilterExprNode)
+	if node == nil {
+		return nil
+	}
+
+	if ctx.NOT() != nil {
+		node.Negated = !node.Negated
+	}
+
+	return node
+}
+
+func (v *filterTreeVisitor) VisitPrimary(ctx *grammar.PrimaryContext) any {
+	switch {
+	case ctx.OrExpression() != nil:
+		return v.Visit(ctx.OrExpression())
+	case ctx.Comparison() != nil:
+		return v.Visit(ctx.Comparison())
+	default:
+		// We intentionally ignore FullText/FunctionCall here for the tree
+		// representation. They can be added later if needed.
+		return nil
+	}
+}
+
+// VisitComparison builds a leaf node with a single ParsedFilterCondition.
+func (v *filterTreeVisitor) VisitComparison(ctx *grammar.ComparisonContext) any {
+	keys := v.buildKeys(ctx.Key())
+	if len(keys) == 0 {
+		return nil
+	}
+
+	// Handle EXISTS specially
+	if ctx.EXISTS() != nil {
+		op := qbtypes.FilterOperatorExists
+		if ctx.NOT() != nil {
+			op = qbtypes.FilterOperatorNotExists
+		}
+
+		return &qbtypes.FilterExprNode{
+			Op: qbtypes.LogicalOpLeaf,
+			Conditions: []qbtypes.FilterCondition{{
+				Keys:   keys,
+				Op:     op,
+				Value:  nil,
+			}},
+		}
+	}
+
+	// Handle IN / NOT IN
+	if ctx.InClause() != nil || ctx.NotInClause() != nil {
+		values := v.buildValuesFromInClause(ctx.InClause(), ctx.NotInClause())
+
+		op := qbtypes.FilterOperatorIn
+		if ctx.NotInClause() != nil {
+			op = qbtypes.FilterOperatorNotIn
+		}
+
+		return &qbtypes.FilterExprNode{
+			Op: qbtypes.LogicalOpLeaf,
+			Conditions: []qbtypes.FilterCondition{{
+				Keys:   keys,
+				Op:     op,
+				Value:  values,
+			}},
+		}
+	}
+
+	// Handle BETWEEN / NOT BETWEEN
+	if ctx.BETWEEN() != nil {
+		valuesCtx := ctx.AllValue()
+		if len(valuesCtx) != 2 {
+			v.errors = append(v.errors, "BETWEEN operator requires exactly two values")
+			return nil
+		}
+
+		value1 := v.buildValue(valuesCtx[0])
+		value2 := v.buildValue(valuesCtx[1])
+
+		op := qbtypes.FilterOperatorBetween
+		if ctx.NOT() != nil {
+			op = qbtypes.FilterOperatorNotBetween
+		}
+
+		return &qbtypes.FilterExprNode{
+			Op: qbtypes.LogicalOpLeaf,
+			Conditions: []qbtypes.FilterCondition{{
+				Keys:   keys,
+				Op:     op,
+				Value:  []any{value1, value2},
+			}},
+		}
+	}
+
+	// All remaining operators have exactly one value.
+	valuesCtx := ctx.AllValue()
+	if len(valuesCtx) == 0 {
+		v.errors = append(v.errors, "comparison operator requires a value")
+		return nil
+	}
+
+	value := v.buildValue(valuesCtx[0])
+
+	var op qbtypes.FilterOperator
+	switch {
+	case ctx.EQUALS() != nil:
+		op = qbtypes.FilterOperatorEqual
+	case ctx.NOT_EQUALS() != nil || ctx.NEQ() != nil:
+		op = qbtypes.FilterOperatorNotEqual
+	case ctx.LT() != nil:
+		op = qbtypes.FilterOperatorLessThan
+	case ctx.LE() != nil:
+		op = qbtypes.FilterOperatorLessThanOrEq
+	case ctx.GT() != nil:
+		op = qbtypes.FilterOperatorGreaterThan
+	case ctx.GE() != nil:
+		op = qbtypes.FilterOperatorGreaterThanOrEq
+	case ctx.LIKE() != nil:
+		op = qbtypes.FilterOperatorLike
+		if ctx.NOT() != nil {
+			op = qbtypes.FilterOperatorNotLike
+		}
+	case ctx.ILIKE() != nil:
+		op = qbtypes.FilterOperatorILike
+		if ctx.NOT() != nil {
+			op = qbtypes.FilterOperatorNotILike
+		}
+	case ctx.REGEXP() != nil:
+		op = qbtypes.FilterOperatorRegexp
+		if ctx.NOT() != nil {
+			op = qbtypes.FilterOperatorNotRegexp
+		}
+	case ctx.CONTAINS() != nil:
+		op = qbtypes.FilterOperatorContains
+		if ctx.NOT() != nil {
+			op = qbtypes.FilterOperatorNotContains
+		}
+	default:
+		v.errors = append(v.errors, fmt.Sprintf("unsupported comparison operator in expression: %s", ctx.GetText()))
+		return nil
+	}
+
+	return &qbtypes.FilterExprNode{
+		Op: qbtypes.LogicalOpLeaf,
+		Conditions: []qbtypes.FilterCondition{{
+			Keys:   keys,
+			Op:     op,
+			Value:  value,
+		}},
+	}
+}
+
+// buildKeys turns a key context into a slice of TelemetryFieldKey.
+func (v *filterTreeVisitor) buildKeys(ctx grammar.IKeyContext) []*telemetrytypes.TelemetryFieldKey {
+	if ctx == nil {
+		return nil
+	}
+	text := ctx.GetText()
+	key := telemetrytypes.GetFieldKeyFromKeyText(text)
+	return []*telemetrytypes.TelemetryFieldKey{&key}
+}
+
+// buildValuesFromInClause handles the IN/NOT IN value side.
+func (v *filterTreeVisitor) buildValuesFromInClause(in grammar.IInClauseContext, notIn grammar.INotInClauseContext) []any {
+	var ctxVal any
+	if in != nil {
+		ctxVal = v.visitInClause(in)
+	} else if notIn != nil {
+		ctxVal = v.visitNotInClause(notIn)
+	}
+
+	switch ret := ctxVal.(type) {
+	case []any:
+		return ret
+	case any:
+		if ret != nil {
+			return []any{ret}
+		}
+	}
+	return nil
+}
+
+func (v *filterTreeVisitor) visitInClause(ctx grammar.IInClauseContext) any {
+	if ctx.ValueList() != nil {
+		return v.visitValueList(ctx.ValueList())
+	}
+	return v.buildValue(ctx.Value())
+}
+
+func (v *filterTreeVisitor) visitNotInClause(ctx grammar.INotInClauseContext) any {
+	if ctx.ValueList() != nil {
+		return v.visitValueList(ctx.ValueList())
+	}
+	return v.buildValue(ctx.Value())
+}
+
+func (v *filterTreeVisitor) visitValueList(ctx grammar.IValueListContext) any {
+	values := ctx.AllValue()
+	parts := make([]any, 0, len(values))
+	for _, val := range values {
+		parts = append(parts, v.buildValue(val))
+	}
+	return parts
+}
+
+// buildValue converts literal values into Go types (string, float64, bool).
+func (v *filterTreeVisitor) buildValue(ctx grammar.IValueContext) any {
+	switch {
+	case ctx == nil:
+		return nil
+	case ctx.QUOTED_TEXT() != nil:
+		txt := ctx.QUOTED_TEXT().GetText()
+		return trimQuotes(txt)
+	case ctx.NUMBER() != nil:
+		number, err := strconv.ParseFloat(ctx.NUMBER().GetText(), 64)
+		if err != nil {
+			v.errors = append(v.errors, fmt.Sprintf("failed to parse number %s", ctx.NUMBER().GetText()))
+			return nil
+		}
+		return number
+	case ctx.BOOL() != nil:
+		boolText := strings.ToLower(ctx.BOOL().GetText())
+		return boolText == "true"
+	case ctx.KEY() != nil:
+		return ctx.KEY().GetText()
+	default:
+		return nil
+	}
+}
+

pkg/querybuilder/filter_introspect_test.go

@@ -0,0 +1,351 @@
+package querybuilder
+
+import (
+	"reflect"
+	"testing"
+
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+)
+
+// helper to build a simple key with unspecified context/datatype.
+func fk(_ *testing.T, name string) *telemetrytypes.TelemetryFieldKey {
+	key := telemetrytypes.GetFieldKeyFromKeyText(name)
+	return &key
+}
+
+func TestExtractFilterExprTree_NestedConditions(t *testing.T) {
+	tests := []struct {
+		name    string
+		expr    string
+		want    *qbtypes.FilterExprNode
+		wantErr bool
+	}{
+		{
+			name: "empty expression returns nil",
+			expr: "   ",
+			want: nil,
+		},
+		{
+			name:    "invalid expression returns error",
+			expr:    "attributes.key =",
+			wantErr: true,
+		},
+		{
+			name: "single simple equality leaf",
+			expr: "attributes.host.name = 'frontend'",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpLeaf,
+				Conditions: []qbtypes.FilterCondition{
+					{
+						Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.host.name")},
+						Op:    qbtypes.FilterOperatorEqual,
+						Value: "frontend",
+					},
+				},
+			},
+		},
+		{
+			name: "AND with BETWEEN numeric range and NOT boolean comparison",
+			expr: "attributes.status_code BETWEEN 500 AND 599 AND NOT attributes.is_error = true",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpAnd,
+				Children: []*qbtypes.FilterExprNode{
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys: []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.status_code")},
+								Op:   qbtypes.FilterOperatorBetween,
+								Value: []any{
+									float64(500),
+									float64(599),
+								},
+							},
+						},
+					},
+					{
+						Negated: true,
+						Op:      qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.is_error")},
+								Op:    qbtypes.FilterOperatorEqual,
+								Value: true,
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "OR with IN list and NOT IN list using different syntaxes",
+			expr: "attributes.service.name IN ('api','worker') OR resource.region NOT IN [\"us-east-1\",\"us-west-2\"]",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpOr,
+				Children: []*qbtypes.FilterExprNode{
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys: []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.service.name")},
+								Op:   qbtypes.FilterOperatorIn,
+								Value: []any{
+									"api",
+									"worker",
+								},
+							},
+						},
+					},
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys: []*telemetrytypes.TelemetryFieldKey{fk(t, "resource.region")},
+								Op:   qbtypes.FilterOperatorNotIn,
+								Value: []any{
+									"us-east-1",
+									"us-west-2",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "AND chain of string pattern operators with NOT variants",
+			expr: "attributes.message LIKE 'error%' AND attributes.message NOT ILIKE '%debug%' AND attributes.message REGEXP 'err[0-9]+' AND attributes.message NOT CONTAINS 'trace'",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpAnd,
+				Children: []*qbtypes.FilterExprNode{
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.message")},
+								Op:    qbtypes.FilterOperatorLike,
+								Value: "error%",
+							},
+						},
+					},
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.message")},
+								Op:    qbtypes.FilterOperatorNotILike,
+								Value: "%debug%",
+							},
+						},
+					},
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.message")},
+								Op:    qbtypes.FilterOperatorRegexp,
+								Value: "err[0-9]+",
+							},
+						},
+					},
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.message")},
+								Op:    qbtypes.FilterOperatorNotContains,
+								Value: "trace",
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "EXISTS and NOT EXISTS in OR expression",
+			expr: "attributes.host EXISTS OR attributes.cluster NOT EXISTS",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpOr,
+				Children: []*qbtypes.FilterExprNode{
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.host")},
+								Op:    qbtypes.FilterOperatorExists,
+								Value: nil,
+							},
+						},
+					},
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.cluster")},
+								Op:    qbtypes.FilterOperatorNotExists,
+								Value: nil,
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "KEY used as value in equality",
+			expr: "attributes.left = other_key",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpLeaf,
+				Conditions: []qbtypes.FilterCondition{
+					{
+						Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.left")},
+						Op:    qbtypes.FilterOperatorEqual,
+						Value: "other_key",
+					},
+				},
+			},
+		},
+		{
+			name: "nested OR inside AND with NOT on inner group",
+			// NOT applies to the whole parenthesized OR group.
+			expr: "attributes.env = 'prod' AND NOT (attributes.team = 'core' OR attributes.team = 'platform')",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpAnd,
+				Children: []*qbtypes.FilterExprNode{
+					{
+						Op: qbtypes.LogicalOpLeaf,
+						Conditions: []qbtypes.FilterCondition{
+							{
+								Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.env")},
+								Op:    qbtypes.FilterOperatorEqual,
+								Value: "prod",
+							},
+						},
+					},
+					{
+						Negated: true,
+						Op:      qbtypes.LogicalOpOr,
+						Children: []*qbtypes.FilterExprNode{
+							{
+								Op: qbtypes.LogicalOpLeaf,
+								Conditions: []qbtypes.FilterCondition{
+									{
+										Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.team")},
+										Op:    qbtypes.FilterOperatorEqual,
+										Value: "core",
+									},
+								},
+							},
+							{
+								Op: qbtypes.LogicalOpLeaf,
+								Conditions: []qbtypes.FilterCondition{
+									{
+										Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.team")},
+										Op:    qbtypes.FilterOperatorEqual,
+										Value: "platform",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "multiple nesting levels mixing AND/OR",
+			expr: "(attributes.status = 'critical' OR attributes.status = 'warning') AND (resource.region = 'us-east-1' OR (resource.region = 'us-west-2' AND attributes.tier = 'backend'))",
+			want: &qbtypes.FilterExprNode{
+				Op: qbtypes.LogicalOpAnd,
+				Children: []*qbtypes.FilterExprNode{
+					{
+						Op: qbtypes.LogicalOpOr,
+						Children: []*qbtypes.FilterExprNode{
+							{
+								Op: qbtypes.LogicalOpLeaf,
+								Conditions: []qbtypes.FilterCondition{
+									{
+										Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.status")},
+										Op:    qbtypes.FilterOperatorEqual,
+										Value: "critical",
+									},
+								},
+							},
+							{
+								Op: qbtypes.LogicalOpLeaf,
+								Conditions: []qbtypes.FilterCondition{
+									{
+										Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.status")},
+										Op:    qbtypes.FilterOperatorEqual,
+										Value: "warning",
+									},
+								},
+							},
+						},
+					},
+					{
+						Op: qbtypes.LogicalOpOr,
+						Children: []*qbtypes.FilterExprNode{
+							{
+								Op: qbtypes.LogicalOpLeaf,
+								Conditions: []qbtypes.FilterCondition{
+									{
+										Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "resource.region")},
+										Op:    qbtypes.FilterOperatorEqual,
+										Value: "us-east-1",
+									},
+								},
+							},
+							{
+								Op: qbtypes.LogicalOpAnd,
+								Children: []*qbtypes.FilterExprNode{
+									{
+										Op: qbtypes.LogicalOpLeaf,
+										Conditions: []qbtypes.FilterCondition{
+											{
+												Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "resource.region")},
+												Op:    qbtypes.FilterOperatorEqual,
+												Value: "us-west-2",
+											},
+										},
+									},
+									{
+										Op: qbtypes.LogicalOpLeaf,
+										Conditions: []qbtypes.FilterCondition{
+											{
+												Keys:  []*telemetrytypes.TelemetryFieldKey{fk(t, "attributes.tier")},
+												Op:    qbtypes.FilterOperatorEqual,
+												Value: "backend",
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := ExtractFilterExprTree(tt.expr)
+
+			if tt.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got nil")
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Fatalf("unexpected tree for expr %q\n got:  %#v\n want: %#v", tt.expr, got, tt.want)
+			}
+		})
+	}
+}

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

@@ -2,7 +2,6 @@ package signoz
 
 import (
 	"context"
-	"net/http"
 	"os"
 	"reflect"
 
@@ -16,7 +15,6 @@ 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"
@@ -25,8 +23,6 @@ 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"
@@ -56,16 +52,11 @@ 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" {
@@ -106,25 +97,3 @@ 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/pipelinetypes/pipeline.go

@@ -7,9 +7,9 @@ import (
 	"strings"
 
 	"github.com/SigNoz/signoz/pkg/errors"
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/query-service/queryBuilderToExpr"
 	"github.com/SigNoz/signoz/pkg/types"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/uptrace/bun"
 )
 
@@ -57,7 +57,7 @@ type StoreablePipeline struct {
 
 type GettablePipeline struct {
 	StoreablePipeline
-	Filter *v3.FilterSet      `json:"filter"`
+	Filter *qbtypes.Filter    `json:"filter"`
 	Config []PipelineOperator `json:"config"`
 }
 
@@ -72,7 +72,7 @@ func (i *GettablePipeline) ParseRawConfig() error {
 }
 
 func (i *GettablePipeline) ParseFilter() error {
-	f := v3.FilterSet{}
+	f := qbtypes.Filter{}
 	err := json.Unmarshal([]byte(i.FilterString), &f)
 	if err != nil {
 		return errors.WrapInvalidInputf(err, errors.CodeInvalidInput, "failed to parse filter")
@@ -200,7 +200,7 @@ type PostablePipeline struct {
 	Alias       string             `json:"alias"`
 	Description string             `json:"description"`
 	Enabled     bool               `json:"enabled"`
-	Filter      *v3.FilterSet      `json:"filter"`
+	Filter      *qbtypes.Filter    `json:"filter"`
 	Config      []PipelineOperator `json:"config"`
 }
 
@@ -218,6 +218,14 @@ func (p *PostablePipeline) IsValid() error {
 	}
 
 	// check the filter
+	if p.Filter == nil || strings.TrimSpace(p.Filter.Expression) == "" {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "filter.expression is required")
+	}
+
+	// Validate that every field in the expression has an explicit context
+	// (attribute., resource., body., etc) so later pipeline processing does not
+	// need to guess. We intentionally do not validate that the field actually
+	// exists – only that the context is specified.
 	_, err := queryBuilderToExpr.Parse(p.Filter)
 	if err != nil {
 		return err

pkg/types/pipelinetypes/postable_pipeline_test.go

@@ -3,24 +3,13 @@ package pipelinetypes
 import (
 	"testing"
 
-	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
-	. "github.com/smartystreets/goconvey/convey"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestIsValidPostablePipeline(t *testing.T) {
-	validPipelineFilterSet := &v3.FilterSet{
-		Operator: "AND",
-		Items: []v3.FilterItem{
-			{
-				Key: v3.AttributeKey{
-					Key:      "method",
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeTag,
-				},
-				Operator: "=",
-				Value:    "GET",
-			},
-		},
+	validPipelineFilter := &qbtypes.Filter{
+		Expression: `attributes.method = "GET"`,
 	}
 
 	var correctQueriesTest = []struct {
@@ -34,7 +23,7 @@ func TestIsValidPostablePipeline(t *testing.T) {
 				Name:    "pipeline 1",
 				Alias:   "pipeline1",
 				Enabled: true,
-				Filter:  validPipelineFilterSet,
+				Filter:  validPipelineFilter,
 				Config:  []PipelineOperator{},
 			},
 			IsValid: false,
@@ -46,7 +35,7 @@ func TestIsValidPostablePipeline(t *testing.T) {
 				Name:    "pipeline 1",
 				Alias:   "pipeline1",
 				Enabled: true,
-				Filter:  validPipelineFilterSet,
+				Filter:  validPipelineFilter,
 				Config:  []PipelineOperator{},
 			},
 			IsValid: false,
@@ -58,7 +47,7 @@ func TestIsValidPostablePipeline(t *testing.T) {
 				Name:    "pipeline 1",
 				Alias:   "pipeline1",
 				Enabled: true,
-				Filter:  validPipelineFilterSet,
+				Filter:  validPipelineFilter,
 				Config:  []PipelineOperator{},
 			},
 			IsValid: true,
@@ -70,19 +59,21 @@ func TestIsValidPostablePipeline(t *testing.T) {
 				Name:    "pipeline 1",
 				Alias:   "pipeline1",
 				Enabled: true,
-				Filter: &v3.FilterSet{
-					Operator: "AND",
-					Items: []v3.FilterItem{
-						{
-							Key: v3.AttributeKey{
-								Key:      "method",
-								DataType: v3.AttributeKeyDataTypeString,
-								Type:     v3.AttributeKeyTypeUnspecified,
-							},
-							Operator: "regex",
-							Value:    "[0-9A-Z*",
-						},
-					},
+				Filter: &qbtypes.Filter{
+					Expression: "",
+				},
+			},
+			IsValid: false,
+		},
+		{
+			Name: "Filter without context prefix on field",
+			Pipeline: PostablePipeline{
+				OrderID: 1,
+				Name:    "pipeline 1",
+				Alias:   "pipeline1",
+				Enabled: true,
+				Filter: &qbtypes.Filter{
+					Expression: `method = "GET"`,
 				},
 			},
 			IsValid: false,
@@ -94,19 +85,19 @@ func TestIsValidPostablePipeline(t *testing.T) {
 				Name:    "pipeline 1",
 				Alias:   "pipeline1",
 				Enabled: true,
-				Filter:  validPipelineFilterSet,
+				Filter:  validPipelineFilter,
 			},
 			IsValid: true,
 		},
 	}
 
 	for _, test := range correctQueriesTest {
-		Convey(test.Name, t, func() {
+		t.Run(test.Name, func(t *testing.T) {
 			err := test.Pipeline.IsValid()
 			if test.IsValid {
-				So(err, ShouldBeNil)
+				assert.NoError(t, err)
 			} else {
-				So(err, ShouldBeError)
+				assert.Error(t, err)
 			}
 		})
 	}
@@ -365,12 +356,12 @@ var operatorTest = []struct {
 
 func TestValidOperator(t *testing.T) {
 	for _, test := range operatorTest {
-		Convey(test.Name, t, func() {
+		t.Run(test.Name, func(t *testing.T) {
 			err := isValidOperator(test.Operator)
 			if test.IsValid {
-				So(err, ShouldBeNil)
+				assert.NoError(t, err)
 			} else {
-				So(err, ShouldBeError)
+				assert.Error(t, err)
 			}
 		})
 	}

pkg/types/querybuildertypes/querybuildertypesv5/filter_inspect.go

@@ -0,0 +1,60 @@
+package querybuildertypesv5
+
+import "github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+
+// LogicalOp represents how child expressions are combined.
+type LogicalOp string
+
+const (
+	// LogicalOpLeaf represents a leaf node containing one or more simple conditions.
+	LogicalOpLeaf LogicalOp = "LEAF"
+	// LogicalOpAnd represents an AND combination of children.
+	LogicalOpAnd LogicalOp = "AND"
+	// LogicalOpOr represents an OR combination of children.
+	LogicalOpOr LogicalOp = "OR"
+)
+
+// FilterExprNode is a reusable logical representation of a filter expression.
+//
+// - Leaf nodes (Op == LogicalOpLeaf) contain one or more ParsedFilterCondition.
+// - Non-leaf nodes (Op == LogicalOpAnd/LogicalOpOr) contain Children.
+// - Negated indicates a leading NOT applied to this subtree.
+type FilterExprNode struct {
+	Op         LogicalOp
+	Negated    bool
+	Conditions []FilterCondition
+	Children   []*FilterExprNode
+}
+
+func (f *FilterExprNode) Flatten() []FilterCondition {
+	var conditions []FilterCondition
+	var walk func(node *FilterExprNode)
+
+	walk = func(node *FilterExprNode) {
+		if node == nil {
+			return
+		}
+		if node.Op == LogicalOpLeaf {
+			conditions = append(conditions, node.Conditions...)
+		}
+		for _, child := range node.Children {
+			walk(child)
+		}
+	}
+
+	walk(f)
+	return conditions
+}
+
+// FilterCondition represents a single comparison or existence check
+// extracted from a filter expression.
+//
+//   - Keys:   one or more logical field keys on the left-hand side (see where_clause_visitor.VisitKey
+//     for why one expression key can resolve to multiple TelemetryFieldKeys).
+//   - Op:     filter operator (e.g. =, !=, in, exists, between).
+//   - Value:  right-hand side literal (any type: single value, slice for IN/NOT IN, nil for EXISTS, etc.).
+type FilterCondition struct {
+	Keys   []*telemetrytypes.TelemetryFieldKey
+	Op     FilterOperator
+	Value  any
+}

pkg/types/querybuildertypes/querybuildertypesv5/openapi.go

@@ -1,707 +0,0 @@
-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

@@ -1,48 +0,0 @@
-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/email.go

@@ -107,13 +107,3 @@ func (enum *Email) UnmarshalText(text []byte) error {
 func (enum Email) MarshalText() (text []byte, err error) {
 	return []byte(enum.StringValue()), nil
 }
-
-func (enum *Email) UnmarshalParam(param string) error {
-	email, err := NewEmail(param)
-	if err != nil {
-		return err
-	}
-
-	*enum = email
-	return nil
-}

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
-}

pkg/valuer/uuid.go

@@ -140,13 +140,3 @@ func (enum *UUID) UnmarshalText(text []byte) error {
 func (enum UUID) MarshalText() (text []byte, err error) {
 	return []byte(enum.StringValue()), nil
 }
-
-func (enum *UUID) UnmarshalParam(param string) error {
-	uuid, err := NewUUID(param)
-	if err != nil {
-		return err
-	}
-
-	*enum = uuid
-	return nil
-}

pkg/valuer/valuer.go

@@ -8,7 +8,6 @@ import (
 	"fmt"
 
 	"github.com/SigNoz/signoz/pkg/errors"
-	ginbinding "github.com/gin-gonic/gin/binding"
 )
 
 var (
@@ -43,7 +42,4 @@ type Valuer interface {
 
 	// Implement encoding.TextUnmarshaler to allow the value to be marshalled unto a string
 	encoding.TextMarshaler
-
-	// Implement Gin's BindUnmarshaler interface
-	ginbinding.BindUnmarshaler
 }