chore: feature flag for dashboard v2

frontend/src/constants/features.ts

@@ -10,4 +10,5 @@ export enum FeatureKeys {
 	ONBOARDING_V3 = 'onboarding_v3',
 	DOT_METRICS_ENABLED = 'dot_metrics_enabled',
 	USE_JSON_BODY = 'use_json_body',
+	DASHBOARD_V2 = 'dashboard_v2',
 }

pkg/flagger/registry.go

@@ -10,6 +10,7 @@ var (
 	FeaturePutMetersInZeus   = featuretypes.MustNewName("put_meters_in_zeus")
 	FeatureUseMeterReporter  = featuretypes.MustNewName("use_meter_reporter")
 	FeatureUseJSONBody       = featuretypes.MustNewName("use_json_body")
+	FeatureDashboardV2       = featuretypes.MustNewName("dashboard_v2")
 )
 
 func MustNewRegistry() featuretypes.Registry {
@@ -70,6 +71,14 @@ func MustNewRegistry() featuretypes.Registry {
 			DefaultVariant: featuretypes.MustNewName("disabled"),
 			Variants:       featuretypes.NewBooleanVariants(),
 		},
+		&featuretypes.Feature{
+			Name:           FeatureDashboardV2,
+			Kind:           featuretypes.KindBoolean,
+			Stage:          featuretypes.StageExperimental,
+			Description:    "Controls whether dashboard v2 is enabled",
+			DefaultVariant: featuretypes.MustNewName("disabled"),
+			Variants:       featuretypes.NewBooleanVariants(),
+		},
 	)
 	if err != nil {
 		panic(err)

pkg/querier/builder_query.go

@@ -265,15 +265,6 @@ func (q *builderQuery[T]) executeWithContext(ctx context.Context, query string,
 		return nil, err
 	}
 
-	// TODO: This should move to readAsRaw function in consume.go but for now we are keeping it here since it's only relevant for traces
-	if q.spec.Signal == telemetrytypes.SignalTraces {
-		if raw, ok := payload.(*qbtypes.RawData); ok {
-			for _, rr := range raw.Rows {
-				mergeSpanAttributeColumns(rr.Data)
-			}
-		}
-	}
-
 	return &qbtypes.Result{
 		Type:  q.kind,
 		Value: payload,

pkg/querier/consume.go

@@ -13,7 +13,6 @@ import (
 
 	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
-	"github.com/SigNoz/signoz/pkg/types/spantypes"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 )
 
@@ -432,53 +431,6 @@ func readAsRaw(rows driver.Rows, queryName string) (*qbtypes.RawData, error) {
 	}, nil
 }
 
-// mergeSpanAttributeColumns merges (attributes_string, attributes_number, attributes_bool, resources_string) into
-// unified "attributes" and "resource" keys, and parses the stringified `events`
-// and `links` columns into structured slices. Raw DB columns are removed.
-func mergeSpanAttributeColumns(data map[string]any) {
-	attrStr, hasStr := data["attributes_string"]
-	attrNum, hasNum := data["attributes_number"]
-	attrBool, hasBool := data["attributes_bool"]
-	// todo(nitya): move to resource json
-	resStr, hasRes := data["resources_string"]
-	if hasStr || hasNum || hasBool || hasRes {
-		attributes := make(map[string]any)
-		if m, ok := attrStr.(map[string]string); ok {
-			for k, v := range m {
-				attributes[k] = v
-			}
-		}
-		if m, ok := attrNum.(map[string]float64); ok {
-			for k, v := range m {
-				attributes[k] = v
-			}
-		}
-		if m, ok := attrBool.(map[string]bool); ok {
-			for k, v := range m {
-				attributes[k] = v
-			}
-		}
-		delete(data, "attributes_string")
-		delete(data, "attributes_number")
-		delete(data, "attributes_bool")
-		data["attributes"] = attributes
-
-		resource := map[string]string{}
-		if m, ok := resStr.(map[string]string); ok {
-			resource = m
-		}
-		data["resource"] = resource
-		delete(data, "resources_string")
-	}
-
-	if raw, ok := data["events"]; ok {
-		data["events"] = spantypes.ParseEvents(raw)
-	}
-	if raw, ok := data["links"]; ok {
-		data["links"] = spantypes.ParseLinks(raw)
-	}
-}
-
 // numericAsFloat converts numeric types to float64 efficiently.
 func numericAsFloat(v any) float64 {
 	switch x := v.(type) {

pkg/querier/consume_test.go

@@ -1,91 +0,0 @@
-package querier
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/SigNoz/signoz/pkg/types/spantypes"
-)
-
-func TestMergeSpanAttributeColumns_ParsesEventsAndLinks(t *testing.T) {
-	data := map[string]any{
-		"attributes_string": map[string]string{"http.method": "GET"},
-		"attributes_number": map[string]float64{"http.status_code": 200},
-		"attributes_bool":   map[string]bool{"is_root": true},
-		"resources_string":  map[string]string{"service.name": "api"},
-		"events": []string{
-			`{"name":"request_received","timeUnixNano":1778489782759245000,"attributeMap":{"http.method":"GET","http.route":"/api/chat"}}`,
-			`{"name":"cache_lookup","timeUnixNano":1778489782811697000,"attributeMap":{"cache.hit":"true","cache.key":"user:123:prompt"}}`,
-		},
-		"links": `[{"traceId":"abc","spanId":"123","refType":"CHILD_OF"},{"traceId":"def","spanId":"456","refType":"FOLLOWS_FROM"}]`,
-	}
-
-	mergeSpanAttributeColumns(data)
-
-	attrs, ok := data["attributes"].(map[string]any)
-	if !ok {
-		t.Fatalf("expected attributes to be map[string]any, got %T", data["attributes"])
-	}
-	if attrs["http.method"] != "GET" || attrs["http.status_code"] != float64(200) || attrs["is_root"] != true {
-		t.Fatalf("attributes not merged correctly: %#v", attrs)
-	}
-
-	res, ok := data["resource"].(map[string]string)
-	if !ok || res["service.name"] != "api" {
-		t.Fatalf("resource not set correctly: %#v", data["resource"])
-	}
-
-	for _, removed := range []string{"attributes_string", "attributes_number", "attributes_bool", "resources_string"} {
-		if _, present := data[removed]; present {
-			t.Fatalf("expected %s to be removed", removed)
-		}
-	}
-
-	events, ok := data["events"].([]spantypes.Event)
-	if !ok {
-		t.Fatalf("expected events to be []spantypes.Event, got %T", data["events"])
-	}
-	wantEvents := []spantypes.Event{
-		{
-			Name:         "request_received",
-			TimeUnixNano: 1778489782759245000,
-			Attributes:   map[string]any{"http.method": "GET", "http.route": "/api/chat"},
-		},
-		{
-			Name:         "cache_lookup",
-			TimeUnixNano: 1778489782811697000,
-			Attributes:   map[string]any{"cache.hit": "true", "cache.key": "user:123:prompt"},
-		},
-	}
-	if !reflect.DeepEqual(events, wantEvents) {
-		t.Fatalf("events parsed incorrectly:\n got:  %#v\nwant: %#v", events, wantEvents)
-	}
-
-	links, ok := data["links"].([]spantypes.Link)
-	if !ok {
-		t.Fatalf("expected links to be []spantypes.Link, got %T", data["links"])
-	}
-	wantLinks := []spantypes.Link{
-		{TraceID: "abc", SpanID: "123"},
-		{TraceID: "def", SpanID: "456"},
-	}
-	if !reflect.DeepEqual(links, wantLinks) {
-		t.Fatalf("links parsed incorrectly:\n got:  %#v\nwant: %#v", links, wantLinks)
-	}
-}
-
-func TestMergeSpanAttributeColumns_EmptyEventsAndLinks(t *testing.T) {
-	data := map[string]any{
-		"events": []string{},
-		"links":  "[]",
-	}
-
-	mergeSpanAttributeColumns(data)
-
-	if events, ok := data["events"].([]spantypes.Event); !ok || len(events) != 0 {
-		t.Fatalf("expected empty []spantypes.Event, got %#v", data["events"])
-	}
-	if links, ok := data["links"].([]spantypes.Link); !ok || len(links) != 0 {
-		t.Fatalf("expected empty []spantypes.Link, got %#v", data["links"])
-	}
-}

pkg/querier/trace_operator_query.go

@@ -85,13 +85,6 @@ func (q *traceOperatorQuery) executeWithContext(ctx context.Context, query strin
 		return nil, err
 	}
 
-	// TODO: This should move to readAsRaw function in consume.go but for now we can keep it here since it's only relevant for traces
-	if raw, ok := payload.(*qbtypes.RawData); ok {
-		for _, rr := range raw.Rows {
-			mergeSpanAttributeColumns(rr.Data)
-		}
-	}
-
 	return &qbtypes.Result{
 		Type:  q.kind,
 		Value: payload,

pkg/telemetrytraces/const.go

@@ -1,50 +1,6 @@
 package telemetrytraces
 
-import (
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
-)
-
-const (
-
-	// Internal Columns.
-	SpanTimestampBucketStartColumn = "ts_bucket_start"
-	SpanResourceFingerPrintColumn  = "resource_fingerprint"
-
-	// Intrinsic Columns.
-	SpanTimestampColumn        = "timestamp"
-	SpanTraceIDColumn          = "trace_id"
-	SpanSpanIDColumn           = "span_id"
-	SpanTraceStateColumn       = "trace_state"
-	SpanParentSpanIDColumn     = "parent_span_id"
-	SpanFlagsColumn            = "flags"
-	SpanNameColumn             = "name"
-	SpanKindColumn             = "kind"
-	SpanKindStringColumn       = "kind_string"
-	SpanDurationNanoColumn     = "duration_nano"
-	SpanStatusCodeColumn       = "status_code"
-	SpanStatusMessageColumn    = "status_message"
-	SpanStatusCodeStringColumn = "status_code_string"
-	SpanEventsColumn           = "events"
-	SpanLinksColumn            = "links"
-
-	// Calculated Columns.
-	SpanResponseStatusCodeColumn = "response_status_code"
-	SpanExternalHTTPURLColumn    = "external_http_url"
-	SpanHTTPURLColumn            = "http_url"
-	SpanExternalHTTPMethodColumn = "external_http_method"
-	SpanHTTPMethodColumn         = "http_method"
-	SpanHTTPHostColumn           = "http_host"
-	SpanDBNameColumn             = "db_name"
-	SpanDBOperationColumn        = "db_operation"
-	SpanHasErrorColumn           = "has_error"
-	SpanIsRemoteColumn           = "is_remote"
-
-	// Contextual Columns.
-	SpanAttributesStringColumn = "attributes_string"
-	SpanAttributesNumberColumn = "attributes_number"
-	SpanAttributesBoolColumn   = "attributes_bool"
-	SpanResourcesStringColumn  = "resources_string"
-)
+import "github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 
 var (
 	IntrinsicFields = map[string]telemetrytypes.TelemetryFieldKey{
@@ -378,51 +334,6 @@ var (
 	SpanSearchScopeRoot       = "isroot"
 	SpanSearchScopeEntryPoint = "isentrypoint"
 
-	// IntrinsicSpanFields lists the intrinsic span columns, in the order they
-	// should appear when a raw query expands its SelectFields.
-	IntrinsicSpanFields = []telemetrytypes.TelemetryFieldKey{
-		{Name: SpanTimestampColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanTraceIDColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanSpanIDColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanTraceStateColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanParentSpanIDColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanFlagsColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanNameColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanKindColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanKindStringColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanDurationNanoColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanStatusCodeColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanStatusMessageColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanStatusCodeStringColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanEventsColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanLinksColumn, FieldContext: telemetrytypes.FieldContextSpan},
-	}
-
-	// CalculatedSpanFields lists the calculated/derived span columns, in the
-	// order they should appear when a raw query expands its SelectFields.
-	CalculatedSpanFields = []telemetrytypes.TelemetryFieldKey{
-		{Name: SpanResponseStatusCodeColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanExternalHTTPURLColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanHTTPURLColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanExternalHTTPMethodColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanHTTPMethodColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanHTTPHostColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanDBNameColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanDBOperationColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanHasErrorColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanIsRemoteColumn, FieldContext: telemetrytypes.FieldContextSpan},
-	}
-
-	// ContextualSpanColumns lists the typed attribute and resource columns
-	// selected raw (rather than via ColumnExpressionFor) so that consume.go
-	// can merge them into unified "attributes" and "resource" maps.
-	ContextualSpanColumns = []string{
-		SpanAttributesStringColumn,
-		SpanAttributesNumberColumn,
-		SpanAttributesBoolColumn,
-		SpanResourcesStringColumn,
-	}
-
 	DefaultFields = map[string]telemetrytypes.TelemetryFieldKey{
 		"timestamp": {
 			Name:          "timestamp",

pkg/telemetrytraces/field_mapper_test.go

@@ -78,17 +78,6 @@ func TestGetFieldKeyName(t *testing.T) {
 			expectedResult: "multiIf(resource.`deployment.environment` IS NOT NULL, resource.`deployment.environment`::String, `resource_string_deployment$$environment_exists`==true, `resource_string_deployment$$environment`, NULL)",
 			expectedError:  nil,
 		},
-		{
-			// Query like `attribute.attribute_string:string` should resolve to `attributes_string['attribute_string']`.
-			name: "Attribute key whose name collides with contextual map column resolves as a map lookup",
-			key: telemetrytypes.TelemetryFieldKey{
-				Name:          SpanAttributesStringColumn,
-				FieldContext:  telemetrytypes.FieldContextAttribute,
-				FieldDataType: telemetrytypes.FieldDataTypeString,
-			},
-			expectedResult: "attributes_string['attributes_string']",
-			expectedError:  nil,
-		},
 		{
 			name: "Non-existent column",
 			key: telemetrytypes.TelemetryFieldKey{

pkg/telemetrytraces/statement_builder.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"slices"
 	"strings"
 
 	"github.com/SigNoz/signoz/pkg/errors"
@@ -15,6 +16,7 @@ import (
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/huandu/go-sqlbuilder"
+	"golang.org/x/exp/maps"
 )
 
 var (
@@ -87,13 +89,40 @@ func (b *traceQueryStatementBuilder) Build(
 		return nil, err
 	}
 
-	isSelectFieldsEmpty := false
+	/*
+		Adding a tech debt note here:
+		This piece of code is a hot fix and should be removed once we close issue: engineering-pod/issues/3622
+	*/
+	/*
+		-------------------------------- Start of tech debt ----------------------------
+	*/
 	if requestType == qbtypes.RequestTypeRaw {
-		isSelectFieldsEmpty = len(query.SelectFields) == 0
-		// we are expanding here to ensure that all the conflicts are taken care in adjustKeys
-		// i.e if there is a conflict we strip away context of the key in adjustKeys
-		query = b.expandRawSelectFields(query)
+
+		selectedFields := query.SelectFields
+
+		if len(selectedFields) == 0 {
+			sortedKeys := maps.Keys(DefaultFields)
+			slices.Sort(sortedKeys)
+			for _, key := range sortedKeys {
+				selectedFields = append(selectedFields, DefaultFields[key])
+			}
+			query.SelectFields = selectedFields
+		}
+
+		selectFieldKeys := []string{}
+		for _, field := range selectedFields {
+			selectFieldKeys = append(selectFieldKeys, field.Name)
+		}
+
+		for _, x := range []string{"timestamp", "span_id", "trace_id"} {
+			if !slices.Contains(selectFieldKeys, x) {
+				query.SelectFields = append(query.SelectFields, DefaultFields[x])
+			}
+		}
 	}
+	/*
+		-------------------------------- End of tech debt ----------------------------
+	*/
 
 	query = b.adjustKeys(ctx, keys, query, requestType)
 
@@ -102,7 +131,7 @@ func (b *traceQueryStatementBuilder) Build(
 
 	switch requestType {
 	case qbtypes.RequestTypeRaw:
-		return b.buildListQuery(ctx, q, query, start, end, keys, variables, isSelectFieldsEmpty)
+		return b.buildListQuery(ctx, q, query, start, end, keys, variables)
 	case qbtypes.RequestTypeTimeSeries:
 		return b.buildTimeSeriesQuery(ctx, q, query, start, end, keys, variables)
 	case qbtypes.RequestTypeScalar:
@@ -266,7 +295,6 @@ func (b *traceQueryStatementBuilder) buildListQuery(
 	start, end uint64,
 	keys map[string][]*telemetrytypes.TelemetryFieldKey,
 	variables map[string]qbtypes.VariableItem,
-	isSelectFieldsEmpty bool,
 ) (*qbtypes.Statement, error) {
 
 	var (
@@ -281,6 +309,7 @@ func (b *traceQueryStatementBuilder) buildListQuery(
 		cteArgs = append(cteArgs, args)
 	}
 
+	// TODO: should we deprecate `SelectFields` and return everything from a span like we do for logs?
 	for _, field := range query.SelectFields {
 		colExpr, err := b.fm.ColumnExpressionFor(ctx, start, end, &field, keys)
 		if err != nil {
@@ -289,12 +318,6 @@ func (b *traceQueryStatementBuilder) buildListQuery(
 		sb.SelectMore(colExpr)
 	}
 
-	if isSelectFieldsEmpty {
-		for _, col := range ContextualSpanColumns {
-			sb.SelectMore(col)
-		}
-	}
-
 	// From table
 	sb.From(fmt.Sprintf("%s.%s", DBName, SpanIndexV3TableName))
 
@@ -821,30 +844,3 @@ func (b *traceQueryStatementBuilder) buildResourceFilterCTE(
 		variables,
 	)
 }
-
-// expandRawSelectFields populates SelectFields for raw (list view) queries.
-// It must be called before adjustKeys so that normalization runs over the full set.
-func (b *traceQueryStatementBuilder) expandRawSelectFields(query qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]) qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation] {
-	if len(query.SelectFields) == 0 {
-		selectFields := make([]telemetrytypes.TelemetryFieldKey, 0, len(IntrinsicSpanFields)+len(CalculatedSpanFields))
-		selectFields = append(selectFields, IntrinsicSpanFields...)
-		selectFields = append(selectFields, CalculatedSpanFields...)
-		query.SelectFields = selectFields
-		return query
-	}
-
-	selectFields := []telemetrytypes.TelemetryFieldKey{
-		{Name: SpanTimestampColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanTraceIDColumn, FieldContext: telemetrytypes.FieldContextSpan},
-		{Name: SpanSpanIDColumn, FieldContext: telemetrytypes.FieldContextSpan},
-	}
-	for _, field := range query.SelectFields {
-		// TODO(tvats): If a user specifies attribute.timestamp in the select fields, this loop will basically ignore it, as we already added a field by default. This can be fixed once we close https://github.com/SigNoz/engineering-pod/issues/3693
-		if field.Name == SpanTimestampColumn || field.Name == SpanTraceIDColumn || field.Name == SpanSpanIDColumn {
-			continue
-		}
-		selectFields = append(selectFields, field)
-	}
-	query.SelectFields = selectFields
-	return query
-}

pkg/telemetrytraces/stmt_builder_test.go

@@ -439,7 +439,7 @@ func TestStatementBuilderListQuery(t *testing.T) {
 				},
 			},
 			expected: qbtypes.Statement{
-				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, name AS `name`, multiIf(resource.`service.name` IS NOT NULL, resource.`service.name`::String, mapContains(resources_string, 'service.name'), resources_string['service.name'], NULL) AS `service.name`, duration_nano AS `duration_nano`, `attribute_number_cart$$items_count` AS `cart.items_count` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
+				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT name AS `name`, multiIf(resource.`service.name` IS NOT NULL, resource.`service.name`::String, mapContains(resources_string, 'service.name'), resources_string['service.name'], NULL) AS `service.name`, duration_nano AS `duration_nano`, `attribute_number_cart$$items_count` AS `cart.items_count`, timestamp AS `timestamp`, span_id AS `span_id`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
 				Args:  []any{"redis-manual", "%service.name%", "%service.name\":\"redis-manual%", uint64(1747945619), uint64(1747983448), "1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,
@@ -468,7 +468,7 @@ func TestStatementBuilderListQuery(t *testing.T) {
 				Limit: 10,
 			},
 			expected: qbtypes.Statement{
-				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, trace_state AS `trace_state`, parent_span_id AS `parent_span_id`, flags AS `flags`, name AS `name`, kind AS `kind`, kind_string AS `kind_string`, duration_nano AS `duration_nano`, status_code AS `status_code`, status_message AS `status_message`, status_code_string AS `status_code_string`, events AS `events`, links AS `links`, response_status_code AS `response_status_code`, external_http_url AS `external_http_url`, http_url AS `http_url`, external_http_method AS `external_http_method`, http_method AS `http_method`, http_host AS `http_host`, db_name AS `db_name`, db_operation AS `db_operation`, has_error AS `has_error`, is_remote AS `is_remote`, attributes_string, attributes_number, attributes_bool, resources_string FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? ORDER BY attributes_string['user.id'] AS `user.id` desc LIMIT ?",
+				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT duration_nano AS `duration_nano`, name AS `name`, response_status_code AS `response_status_code`, multiIf(resource.`service.name` IS NOT NULL, resource.`service.name`::String, mapContains(resources_string, 'service.name'), resources_string['service.name'], NULL) AS `service.name`, span_id AS `span_id`, timestamp AS `timestamp`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? ORDER BY attributes_string['user.id'] AS `user.id` desc LIMIT ?",
 				Args:  []any{"redis-manual", "%service.name%", "%service.name\":\"redis-manual%", uint64(1747945619), uint64(1747983448), "1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,
@@ -512,7 +512,7 @@ func TestStatementBuilderListQuery(t *testing.T) {
 				Limit: 10,
 			},
 			expected: qbtypes.Statement{
-				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, name AS `name`, resource_string_service$$name AS `serviceName`, duration_nano AS `durationNano`, http_method AS `httpMethod`, response_status_code AS `responseStatusCode` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
+				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT name AS `name`, resource_string_service$$name AS `serviceName`, duration_nano AS `durationNano`, http_method AS `httpMethod`, response_status_code AS `responseStatusCode`, timestamp AS `timestamp`, span_id AS `span_id`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
 				Args:  []any{"redis-manual", "%service.name%", "%service.name\":\"redis-manual%", uint64(1747945619), uint64(1747983448), "1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,
@@ -556,7 +556,7 @@ func TestStatementBuilderListQuery(t *testing.T) {
 				Limit: 10,
 			},
 			expected: qbtypes.Statement{
-				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, name AS `name`, resource_string_service$$name AS `serviceName`, duration_nano AS `durationNano`, http_method AS `httpMethod`, multiIf(toString(`attribute_string_mixed$$materialization$$key`) != '', toString(`attribute_string_mixed$$materialization$$key`), toString(multiIf(resource.`mixed.materialization.key` IS NOT NULL, resource.`mixed.materialization.key`::String, mapContains(resources_string, 'mixed.materialization.key'), resources_string['mixed.materialization.key'], NULL)) != '', toString(multiIf(resource.`mixed.materialization.key` IS NOT NULL, resource.`mixed.materialization.key`::String, mapContains(resources_string, 'mixed.materialization.key'), resources_string['mixed.materialization.key'], NULL)), NULL) AS `mixed.materialization.key` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
+				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT name AS `name`, resource_string_service$$name AS `serviceName`, duration_nano AS `durationNano`, http_method AS `httpMethod`, multiIf(toString(`attribute_string_mixed$$materialization$$key`) != '', toString(`attribute_string_mixed$$materialization$$key`), toString(multiIf(resource.`mixed.materialization.key` IS NOT NULL, resource.`mixed.materialization.key`::String, mapContains(resources_string, 'mixed.materialization.key'), resources_string['mixed.materialization.key'], NULL)) != '', toString(multiIf(resource.`mixed.materialization.key` IS NOT NULL, resource.`mixed.materialization.key`::String, mapContains(resources_string, 'mixed.materialization.key'), resources_string['mixed.materialization.key'], NULL)), NULL) AS `mixed.materialization.key`, timestamp AS `timestamp`, span_id AS `span_id`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
 				Args:  []any{"redis-manual", "%service.name%", "%service.name\":\"redis-manual%", uint64(1747945619), uint64(1747983448), "1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,
@@ -601,7 +601,7 @@ func TestStatementBuilderListQuery(t *testing.T) {
 				Limit: 10,
 			},
 			expected: qbtypes.Statement{
-				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, name AS `name`, resource_string_service$$name AS `serviceName`, duration_nano AS `durationNano`, http_method AS `httpMethod`, `attribute_string_mixed$$materialization$$key` AS `mixed.materialization.key` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
+				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_traces.distributed_traces_v3_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?) SELECT name AS `name`, resource_string_service$$name AS `serviceName`, duration_nano AS `durationNano`, http_method AS `httpMethod`, `attribute_string_mixed$$materialization$$key` AS `mixed.materialization.key`, timestamp AS `timestamp`, span_id AS `span_id`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
 				Args:  []any{"redis-manual", "%service.name%", "%service.name\":\"redis-manual%", uint64(1747945619), uint64(1747983448), "1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,
@@ -711,7 +711,7 @@ func TestStatementBuilderListQueryWithCorruptData(t *testing.T) {
 				Limit:        10,
 			},
 			expected: qbtypes.Statement{
-				Query: "SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, trace_state AS `trace_state`, parent_span_id AS `parent_span_id`, flags AS `flags`, name AS `name`, kind AS `kind`, kind_string AS `kind_string`, duration_nano AS `duration_nano`, status_code AS `status_code`, status_message AS `status_message`, status_code_string AS `status_code_string`, events AS `events`, links AS `links`, response_status_code AS `response_status_code`, external_http_url AS `external_http_url`, http_url AS `http_url`, external_http_method AS `external_http_method`, http_method AS `http_method`, http_host AS `http_host`, db_name AS `db_name`, db_operation AS `db_operation`, has_error AS `has_error`, is_remote AS `is_remote`, attributes_string, attributes_number, attributes_bool, resources_string FROM signoz_traces.distributed_signoz_index_v3 WHERE timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
+				Query: "SELECT duration_nano AS `duration_nano`, name AS `name`, response_status_code AS `response_status_code`, multiIf(resource.`service.name` IS NOT NULL, resource.`service.name`::String, mapContains(resources_string, 'service.name'), resources_string['service.name'], NULL) AS `service.name`, span_id AS `span_id`, timestamp AS `timestamp`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? LIMIT ?",
 				Args:  []any{"1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,
@@ -744,7 +744,7 @@ func TestStatementBuilderListQueryWithCorruptData(t *testing.T) {
 				}},
 			},
 			expected: qbtypes.Statement{
-				Query: "SELECT timestamp AS `timestamp`, trace_id AS `trace_id`, span_id AS `span_id`, trace_state AS `trace_state`, parent_span_id AS `parent_span_id`, flags AS `flags`, name AS `name`, kind AS `kind`, kind_string AS `kind_string`, duration_nano AS `duration_nano`, status_code AS `status_code`, status_message AS `status_message`, status_code_string AS `status_code_string`, events AS `events`, links AS `links`, response_status_code AS `response_status_code`, external_http_url AS `external_http_url`, http_url AS `http_url`, external_http_method AS `external_http_method`, http_method AS `http_method`, http_host AS `http_host`, db_name AS `db_name`, db_operation AS `db_operation`, has_error AS `has_error`, is_remote AS `is_remote`, attributes_string, attributes_number, attributes_bool, resources_string FROM signoz_traces.distributed_signoz_index_v3 WHERE timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? ORDER BY timestamp AS `timestamp` asc LIMIT ?",
+				Query: "SELECT duration_nano AS `duration_nano`, name AS `name`, response_status_code AS `response_status_code`, multiIf(resource.`service.name` IS NOT NULL, resource.`service.name`::String, mapContains(resources_string, 'service.name'), resources_string['service.name'], NULL) AS `service.name`, span_id AS `span_id`, timestamp AS `timestamp`, trace_id AS `trace_id` FROM signoz_traces.distributed_signoz_index_v3 WHERE timestamp >= ? AND timestamp < ? AND ts_bucket_start >= ? AND ts_bucket_start <= ? ORDER BY timestamp AS `timestamp` asc LIMIT ?",
 				Args:  []any{"1747947419000000000", "1747983448000000000", uint64(1747945619), uint64(1747983448), 10},
 			},
 			expectedErr: nil,

pkg/types/querybuildertypes/querybuildertypesv5/resp.go

@@ -236,7 +236,6 @@ type RawStream struct {
 	Error chan error
 }
 
-
 func roundToNonZeroDecimals(val float64, n int) float64 {
 	if val == 0 || math.IsNaN(val) || math.IsInf(val, 0) {
 		return val

pkg/types/spantypes/event.go

@@ -1,59 +0,0 @@
-package spantypes
-
-import "encoding/json"
-
-type Event struct {
-	Name         string         `json:"name"`
-	TimeUnixNano uint64         `json:"timeUnixNano"`
-	Attributes   map[string]any `json:"attributes,omitempty"`
-}
-
-// Link is the response shape for a span link.
-// The refType field is intentionally not decoded; it's a Jaeger-era
-// concept that OTel doesn't model, so we drop it on the way out.
-type Link struct {
-	TraceID string `json:"traceId,omitempty"`
-	SpanID  string `json:"spanId,omitempty"`
-}
-
-// dbEvent matches the JSON object stored in the ClickHouse `events`
-// Array(String) column.
-type dbEvent struct {
-	Name         string         `json:"name"`
-	TimeUnixNano uint64         `json:"timeUnixNano"`
-	AttributeMap map[string]any `json:"attributeMap"`
-}
-
-// ParseEvents column (Array(String) of JSON-encoded events) into a slice of Event values.
-// Malformed entries are skipped.
-func ParseEvents(raw any) []Event {
-	strs, ok := raw.([]string)
-	if !ok {
-		return []Event{}
-	}
-	events := make([]Event, 0, len(strs))
-	for _, s := range strs {
-		var e dbEvent
-		if err := json.Unmarshal([]byte(s), &e); err != nil {
-			continue
-		}
-		events = append(events, Event{
-			Name:         e.Name,
-			TimeUnixNano: e.TimeUnixNano,
-			Attributes:   e.AttributeMap,
-		})
-	}
-	return events
-}
-
-func ParseLinks(raw any) []Link {
-	s, ok := raw.(string)
-	if !ok || s == "" {
-		return []Link{}
-	}
-	var links []Link
-	if err := json.Unmarshal([]byte(s), &links); err != nil {
-		return []Link{}
-	}
-	return links
-}

tests/fixtures/traces.py

@@ -236,9 +236,8 @@ class Traces(ABC):
     attributes_number: dict[str, np.float64]
     attributes_bool: dict[str, bool]
     resources_string: dict[str, str]
-    # Accepting parsed events and links, but will be stored as list[str], str in db
-    events: list[dict[str, Any]]
-    links: list[dict[str, Any]]
+    events: list[str]
+    links: str
     response_status_code: str
     external_http_url: str
     http_url: str
@@ -424,17 +423,10 @@ class Traces(ABC):
                     )
                 )
 
-        # Process events and derive error events. self.events holds the parsed
-        # response shape; np_arr() encodes back to the DB format on insert.
+        # Process events and derive error events
         self.events = []
         for event in events:
-            self.events.append(
-                {
-                    "name": event.name,
-                    "timeUnixNano": int(event.time_unix_nano),
-                    "attributes": dict(event.attribute_map),
-                }
-            )
+            self.events.append(json.dumps([event.name, event.time_unix_nano, event.attribute_map]))
 
             # Create error events for exception events (following Go exporter logic)
             if event.name == "exception":
@@ -456,26 +448,7 @@ class Traces(ABC):
                 ),
             )
 
-        # self.links holds the parsed response shape (trace_id/span_id only;
-        # ref_type is dropped to match the API). np_arr() re-encodes for DB insert.
-        self.links = [{"traceId": link.trace_id, "spanId": link.span_id} for link in links_copy]
-        self._links_db = json.dumps(
-            [link.__dict__() for link in links_copy],
-            separators=(",", ":"),
-        )
-        # DB shape per event: {"name", "timeUnixNano", "attributeMap"}. Must match
-        # what the consume-layer parser in pkg/types/spantypes expects.
-        self._events_db = [
-            json.dumps(
-                {
-                    "name": event.name,
-                    "timeUnixNano": int(event.time_unix_nano),
-                    "attributeMap": dict(event.attribute_map),
-                },
-                separators=(",", ":"),
-            )
-            for event in events
-        ]
+        self.links = json.dumps([link.__dict__() for link in links_copy], separators=(",", ":"))
 
         # Initialize resource
         self.resource = []
@@ -590,8 +563,8 @@ class Traces(ABC):
                 self.attributes_number,
                 self.attributes_bool,
                 self.resources_string,
-                self._events_db,
-                self._links_db,
+                self.events,
+                self.links,
                 self.response_status_code,
                 self.external_http_url,
                 self.http_url,

tests/integration/tests/querier/04_traces.py

@@ -17,51 +17,7 @@ from fixtures.querier import (
     index_series_by_label,
     make_query_request,
 )
-from fixtures.traces import (
-    TraceIdGenerator,
-    Traces,
-    TracesEvent,
-    TracesKind,
-    TracesLink,
-    TracesRefType,
-    TracesStatusCode,
-)
-
-# All keys returned by the trace list endpoint when selectFields is empty:
-# every intrinsic and calculated column, plus the merged `attributes` and
-# `resource` maps that wrap the contextual columns in the response layer.
-ALL_SELECT_FIELDS = [
-    # all intrinsic columns
-    "timestamp",
-    "trace_id",
-    "span_id",
-    "trace_state",
-    "parent_span_id",
-    "flags",
-    "name",
-    "kind",
-    "kind_string",
-    "duration_nano",
-    "status_code",
-    "status_message",
-    "status_code_string",
-    "events",
-    "links",
-    # all calculated columns
-    "response_status_code",
-    "external_http_url",
-    "http_url",
-    "external_http_method",
-    "http_method",
-    "http_host",
-    "db_name",
-    "db_operation",
-    "has_error",
-    "is_remote",
-    # all contextual columns (merged in response layer)
-    "attributes",
-    "resource",
-]
+from fixtures.traces import TraceIdGenerator, Traces, TracesKind, TracesStatusCode
 
 
 def test_traces_list(
@@ -517,9 +473,7 @@ def test_traces_list(
 @pytest.mark.parametrize(
     "payload,status_code,results",
     [
-        # Case 1: order by timestamp; empty selectFields returns the full
-        # response shape (all intrinsic + calculated columns plus the merged
-        # `attributes` and `resource` maps). x[3] (topic-service) is latest.
+        # Case 1: order by timestamp field which there in attributes as well
         pytest.param(
             {
                 "type": "builder_query",
@@ -533,42 +487,19 @@ def test_traces_list(
             },
             HTTPStatus.OK,
             lambda x: [
-                {
-                    **x[3].attribute_string,
-                    **x[3].attributes_number,
-                    **x[3].attributes_bool,
-                },  # attributes
-                x[3].db_name,
-                x[3].db_operation,
-                int(x[3].duration_nano),
-                x[3].events,
-                x[3].external_http_method,
-                x[3].external_http_url,
-                int(x[3].flags),
-                x[3].has_error,
-                x[3].http_host,
-                x[3].http_method,
-                x[3].http_url,
-                x[3].is_remote,
-                int(x[3].kind),
-                x[3].kind_string,
-                x[3].links,
+                x[3].duration_nano,
                 x[3].name,
-                x[3].parent_span_id,
-                x[3].resources_string,
                 x[3].response_status_code,
+                x[3].service_name,
                 x[3].span_id,
-                int(x[3].status_code),
-                x[3].status_code_string,
-                x[3].status_message,
                 format_timestamp(x[3].timestamp),
                 x[3].trace_id,
-                x[3].trace_state,
             ],  # type: Callable[[List[Traces]], List[Any]]
         ),
-        # Case 2: order by attribute.timestamp. The key resolves to the
-        # intrinsic span.timestamp column, so the latest span (x[3]) is
-        # returned with the same full response shape as Case 1.
+        # Case 2: order by attribute timestamp field which is there in attributes as well
+        # This should break but it doesn't because attribute.timestamp gets adjusted to timestamp
+        # because of default trace.timestamp gets added by default and bug in field mapper picks
+        # instrinsic field
         pytest.param(
             {
                 "type": "builder_query",
@@ -582,37 +513,13 @@ def test_traces_list(
             },
             HTTPStatus.OK,
             lambda x: [
-                {
-                    **x[3].attribute_string,
-                    **x[3].attributes_number,
-                    **x[3].attributes_bool,
-                },  # attributes
-                x[3].db_name,
-                x[3].db_operation,
-                int(x[3].duration_nano),
-                x[3].events,
-                x[3].external_http_method,
-                x[3].external_http_url,
-                int(x[3].flags),
-                x[3].has_error,
-                x[3].http_host,
-                x[3].http_method,
-                x[3].http_url,
-                x[3].is_remote,
-                int(x[3].kind),
-                x[3].kind_string,
-                x[3].links,
+                x[3].duration_nano,
                 x[3].name,
-                x[3].parent_span_id,
-                x[3].resources_string,
                 x[3].response_status_code,
+                x[3].service_name,
                 x[3].span_id,
-                int(x[3].status_code),
-                x[3].status_code_string,
-                x[3].status_message,
                 format_timestamp(x[3].timestamp),
                 x[3].trace_id,
-                x[3].trace_state,
             ],  # type: Callable[[List[Traces]], List[Any]]
         ),
         # Case 3: select timestamp with empty order by
@@ -635,7 +542,7 @@ def test_traces_list(
             ],  # type: Callable[[List[Traces]], List[Any]]
         ),
         # Case 4: select attribute.timestamp with empty order by
-        # This returns the one span which has attribute.timestamp
+        # This doesn't return any data because of where_clause using aliased timestamp
         pytest.param(
             {
                 "type": "builder_query",
@@ -649,11 +556,7 @@ def test_traces_list(
                 },
             },
             HTTPStatus.OK,
-            lambda x: [
-                x[0].span_id,
-                format_timestamp(x[0].timestamp),
-                x[0].trace_id,
-            ],  # type: Callable[[List[Traces]], List[Any]]
+            lambda x: [],  # type: Callable[[List[Traces]], List[Any]]
         ),
         # Case 5: select timestamp with timestamp order by
         pytest.param(
@@ -790,159 +693,6 @@ def test_traces_list_with_corrupt_data(
                 assert data[key] == value
 
 
-def _verify_events_links_full(rows: list[dict], traces: list[Traces]) -> None:
-    """Empty-selectFields case: events/links arrive parsed into structured objects.
-    Every row's events/links should match the fixture's stored parsed shape
-    (the fixture's `.events`/`.links` mirror the API response shape directly).
-    """
-    for row, trace in zip(rows, traces, strict=True):
-        assert row["data"]["events"] == trace.events
-        assert row["data"]["links"] == trace.links
-        # Jaeger-era `refType` is dropped at the consume layer.
-        for link in row["data"]["links"]:
-            assert "refType" not in link
-
-
-def _verify_events_links_skip(rows: list[dict], traces: list[Traces]) -> None:
-    """Projected-selectFields case: nothing to verify beyond the key set."""
-
-
-@pytest.mark.parametrize(
-    "select_fields,status_code,expected_keys,verify_values",
-    [
-        pytest.param(
-            [],
-            HTTPStatus.OK,
-            ALL_SELECT_FIELDS,
-            _verify_events_links_full,
-        ),
-        pytest.param(
-            [
-                {"name": "service.name"},
-            ],
-            HTTPStatus.OK,
-            ["timestamp", "trace_id", "span_id", "service.name"],
-            _verify_events_links_skip,
-        ),
-    ],
-)
-def test_traces_list_with_select_fields(
-    signoz: types.SigNoz,
-    create_user_admin: None,  # pylint: disable=unused-argument
-    get_token: Callable[[str, str], str],
-    insert_traces: Callable[[list[Traces]], None],
-    select_fields: list[dict],
-    status_code: HTTPStatus,
-    expected_keys: list[str],
-    verify_values: Callable[[list[dict], list[Traces]], None],
-) -> None:
-    """
-    Setup:
-    Insert a root span with no events/links and a child span carrying two
-    events and one user-supplied link.
-
-    Tests:
-    1. Empty select fields should return all the fields, and the `events` /
-       `links` columns should arrive parsed into structured objects (events
-       carry `attributes`, links carry only `traceId`/`spanId` — refType is
-       dropped at the consume layer).
-    2. Non-empty select field should return the select field along with
-       timestamp, trace_id and span_id.
-    """
-    now = datetime.now(tz=UTC).replace(second=0, microsecond=0)
-
-    parent_trace_id = TraceIdGenerator.trace_id()
-    parent_span_id = TraceIdGenerator.span_id()
-    child_span_id = TraceIdGenerator.span_id()
-    linked_trace_id = TraceIdGenerator.trace_id()
-    linked_span_id = TraceIdGenerator.span_id()
-
-    event_one = TracesEvent(
-        name="request_received",
-        timestamp=now - timedelta(seconds=3, microseconds=500_000),
-        attribute_map={"http.method": "GET", "http.route": "/api/chat"},
-    )
-    event_two = TracesEvent(
-        name="cache_lookup",
-        timestamp=now - timedelta(seconds=3, microseconds=400_000),
-        attribute_map={"cache.hit": "true", "cache.key": "user:123:prompt"},
-    )
-    user_link = TracesLink(
-        trace_id=linked_trace_id,
-        span_id=linked_span_id,
-        ref_type=TracesRefType.REF_TYPE_FOLLOWS_FROM,
-    )
-
-    traces = [
-        # Root span: no events, no links. Verifies the empty-case parsed shape.
-        Traces(
-            timestamp=now - timedelta(seconds=4),
-            duration=timedelta(seconds=3),
-            trace_id=parent_trace_id,
-            span_id=parent_span_id,
-            parent_span_id="",
-            name="root span",
-            kind=TracesKind.SPAN_KIND_SERVER,
-            status_code=TracesStatusCode.STATUS_CODE_OK,
-            resources={"service.name": "events-links-service"},
-            attributes={"http.request.method": "GET"},
-        ),
-        # Child span: two events + one user-supplied link. The fixture
-        # auto-inserts a CHILD_OF link for the parent, so the parsed response
-        # contains two links total — the auto-inserted one first.
-        Traces(
-            timestamp=now - timedelta(seconds=3),
-            duration=timedelta(seconds=1),
-            trace_id=parent_trace_id,
-            span_id=child_span_id,
-            parent_span_id=parent_span_id,
-            name="child span",
-            kind=TracesKind.SPAN_KIND_INTERNAL,
-            status_code=TracesStatusCode.STATUS_CODE_OK,
-            resources={"service.name": "events-links-service"},
-            attributes={"http.request.method": "GET"},
-            events=[event_one, event_two],
-            links=[user_link],
-        ),
-    ]
-
-    insert_traces(traces)
-
-    token = get_token(USER_ADMIN_EMAIL, USER_ADMIN_PASSWORD)
-
-    payload = {
-        "type": "builder_query",
-        "spec": {
-            "name": "A",
-            "signal": "traces",
-            "filter": {"expression": "resource.service.name = 'events-links-service'"},
-            "selectFields": select_fields,
-            "order": [{"key": {"name": "timestamp"}, "direction": "asc"}],
-            "limit": 10,
-        },
-    }
-
-    response = make_query_request(
-        signoz,
-        token,
-        start_ms=int((datetime.now(tz=UTC) - timedelta(minutes=5)).timestamp() * 1000),
-        end_ms=int(datetime.now(tz=UTC).timestamp() * 1000),
-        request_type="raw",
-        queries=[payload],
-    )
-    assert response.status_code == status_code
-
-    if response.status_code != HTTPStatus.OK:
-        return
-
-    rows = response.json()["data"]["data"]["results"][0]["rows"]
-    assert len(rows) == 2
-    for row in rows:
-        assert set(row["data"].keys()) == set(expected_keys)
-
-    verify_values(rows, traces)
-
-
 @pytest.mark.parametrize(
     "order_by,aggregation_alias,expected_status",
     [