This is an automated email from the ASF dual-hosted git repository.

hanahmily pushed a commit to branch vectorized-query
in repository https://gitbox.apache.org/repos/asf/skywalking-banyandb.git

commit 08762454659162fe76bf6d278e756c15b0b9e5ce
Author: Hongtao Gao <[email protected]>
AuthorDate: Fri May 15 10:25:43 2026 +0000

    chore(query/vectorized/measure/plan): fix goconst/dogsled lint in G9 test 
files
---
 pkg/query/vectorized/measure/plan/analyzer_test.go | 67 ++++++++++++----------
 pkg/query/vectorized/measure/plan/build_test.go    | 16 +++---
 pkg/query/vectorized/measure/plan/dispatch_test.go | 39 +++++++------
 pkg/query/vectorized/measure/plan/executor_test.go | 16 +++---
 4 files changed, 73 insertions(+), 65 deletions(-)

diff --git a/pkg/query/vectorized/measure/plan/analyzer_test.go 
b/pkg/query/vectorized/measure/plan/analyzer_test.go
index 544b6fc5b..94197fc54 100644
--- a/pkg/query/vectorized/measure/plan/analyzer_test.go
+++ b/pkg/query/vectorized/measure/plan/analyzer_test.go
@@ -27,8 +27,13 @@ import (
        modelv1 
"github.com/apache/skywalking-banyandb/api/proto/banyandb/model/v1"
 )
 
-// testMeasureSchema builds a minimal Measure schema with one "default" tag
-// family containing "svc" + "region" tag specs and one "value" field.
+const (
+       tagSvc     = "svc"
+       fieldValue = "value"
+)
+
+// testMeasureSchema builds a minimal Measure schema with one default tag
+// family containing the svc + region tag specs and one value field.
 func testMeasureSchema() *databasev1.Measure {
        return &databasev1.Measure{
                Metadata: &commonv1.Metadata{Name: "demo", Group: "default"},
@@ -36,20 +41,20 @@ func testMeasureSchema() *databasev1.Measure {
                        {
                                Name: "default",
                                Tags: []*databasev1.TagSpec{
-                                       {Name: "svc", Type: 
databasev1.TagType_TAG_TYPE_STRING},
+                                       {Name: tagSvc, Type: 
databasev1.TagType_TAG_TYPE_STRING},
                                        {Name: "region", Type: 
databasev1.TagType_TAG_TYPE_STRING},
                                },
                        },
                },
                Fields: []*databasev1.FieldSpec{
-                       {Name: "value", FieldType: 
databasev1.FieldType_FIELD_TYPE_INT},
+                       {Name: fieldValue, FieldType: 
databasev1.FieldType_FIELD_TYPE_INT},
                },
        }
 }
 
 func projTagProj() *modelv1.TagProjection {
        return &modelv1.TagProjection{TagFamilies: 
[]*modelv1.TagProjection_TagFamily{
-               {Name: "default", Tags: []string{"svc"}},
+               {Name: "default", Tags: []string{tagSvc}},
        }}
 }
 
@@ -57,7 +62,7 @@ func TestAnalyze_BareRequest_BuildsScanWrappedInLimit(t 
*testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
        }
        p, err := Analyze(req, testMeasureSchema())
        if err != nil {
@@ -75,14 +80,14 @@ func TestAnalyze_GroupByAgg_BuildsGroupByAggBelowLimit(t 
*testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                GroupBy: &measurev1.QueryRequest_GroupBy{
                        TagProjection: projTagProj(),
-                       FieldName:     "value",
+                       FieldName:     fieldValue,
                },
                Agg: &measurev1.QueryRequest_Aggregation{
                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                       FieldName: "value",
+                       FieldName: fieldValue,
                },
        }
        p, err := Analyze(req, testMeasureSchema())
@@ -100,10 +105,10 @@ func TestAnalyze_GroupByAgg_BuildsGroupByAggBelowLimit(t 
*testing.T) {
        if _, ok := gba.Children()[0].(*Scan); !ok {
                t.Fatalf("GroupByAgg child should be *Scan, got %T", 
gba.Children()[0])
        }
-       if gba.GroupBy.TagNames[0] != "svc" {
+       if gba.GroupBy.TagNames[0] != tagSvc {
                t.Fatalf("GroupBy.TagNames: want [svc], got %v", 
gba.GroupBy.TagNames)
        }
-       if gba.Agg.FieldName != "value" {
+       if gba.Agg.FieldName != fieldValue {
                t.Fatalf("Agg.FieldName: want value, got %s", gba.Agg.FieldName)
        }
 }
@@ -112,14 +117,14 @@ func TestAnalyze_TopBetweenGroupByAggAndLimit(t 
*testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                GroupBy: &measurev1.QueryRequest_GroupBy{
                        TagProjection: projTagProj(),
-                       FieldName:     "value",
+                       FieldName:     fieldValue,
                },
                Agg: &measurev1.QueryRequest_Aggregation{
                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                       FieldName: "value",
+                       FieldName: fieldValue,
                },
                Top: &measurev1.QueryRequest_Top{
                        Number:         5,
@@ -155,10 +160,10 @@ func TestAnalyze_TopSortAsc_MapsToAscending(t *testing.T) 
{
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                Top: &measurev1.QueryRequest_Top{
                        Number:         3,
-                       FieldName:      "value",
+                       FieldName:      fieldValue,
                        FieldValueSort: modelv1.Sort_SORT_ASC,
                },
        }
@@ -185,10 +190,10 @@ func TestAnalyze_GroupByWithoutAgg_BuildsRawGroupBy(t 
*testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                GroupBy: &measurev1.QueryRequest_GroupBy{
                        TagProjection: projTagProj(),
-                       FieldName:     "value",
+                       FieldName:     fieldValue,
                },
        }
        p, err := Analyze(req, testMeasureSchema())
@@ -206,7 +211,7 @@ func TestAnalyze_GroupByWithoutAgg_BuildsRawGroupBy(t 
*testing.T) {
        if gba.Agg != nil {
                t.Fatalf("raw GroupBy must have nil Agg, got %+v", gba.Agg)
        }
-       if gba.GroupBy == nil || gba.GroupBy.TagNames[0] != "svc" {
+       if gba.GroupBy == nil || gba.GroupBy.TagNames[0] != tagSvc {
                t.Fatalf("GroupBy.TagNames: want [svc], got %+v", gba.GroupBy)
        }
 }
@@ -217,10 +222,10 @@ func TestAnalyze_AggWithoutGroupBy_BuildsScalarReduce(t 
*testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                Agg: &measurev1.QueryRequest_Aggregation{
                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                       FieldName: "value",
+                       FieldName: fieldValue,
                },
        }
        p, err := Analyze(req, testMeasureSchema())
@@ -238,7 +243,7 @@ func TestAnalyze_AggWithoutGroupBy_BuildsScalarReduce(t 
*testing.T) {
        if gba.GroupBy != nil {
                t.Fatalf("scalar reduce must have nil GroupBy, got %+v", 
gba.GroupBy)
        }
-       if gba.Agg == nil || gba.Agg.FieldName != "value" {
+       if gba.Agg == nil || gba.Agg.FieldName != fieldValue {
                t.Fatalf("Agg.FieldName: want value, got %+v", gba.Agg)
        }
 }
@@ -247,16 +252,16 @@ func TestAnalyze_UnknownGroupByTag_Errors(t *testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                GroupBy: &measurev1.QueryRequest_GroupBy{
                        TagProjection: &modelv1.TagProjection{TagFamilies: 
[]*modelv1.TagProjection_TagFamily{
                                {Name: "default", Tags: []string{"missing"}},
                        }},
-                       FieldName: "value",
+                       FieldName: fieldValue,
                },
                Agg: &measurev1.QueryRequest_Aggregation{
                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                       FieldName: "value",
+                       FieldName: fieldValue,
                },
        }
        _, err := Analyze(req, testMeasureSchema())
@@ -272,10 +277,10 @@ func TestAnalyze_UnknownAggField_Errors(t *testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                GroupBy: &measurev1.QueryRequest_GroupBy{
                        TagProjection: projTagProj(),
-                       FieldName:     "value",
+                       FieldName:     fieldValue,
                },
                Agg: &measurev1.QueryRequest_Aggregation{
                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
@@ -310,7 +315,7 @@ func TestAnalyze_DefaultLimit_AppliedWhenZero(t *testing.T) 
{
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                // Limit unset (0) → default 100 per defaultLimit constant
        }
        p, err := Analyze(req, testMeasureSchema())
@@ -327,14 +332,14 @@ func TestPrintTree_RendersHierarchy(t *testing.T) {
        req := &measurev1.QueryRequest{
                Name:            "demo",
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                GroupBy: &measurev1.QueryRequest_GroupBy{
                        TagProjection: projTagProj(),
-                       FieldName:     "value",
+                       FieldName:     fieldValue,
                },
                Agg: &measurev1.QueryRequest_Aggregation{
                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                       FieldName: "value",
+                       FieldName: fieldValue,
                },
        }
        p, err := Analyze(req, testMeasureSchema())
diff --git a/pkg/query/vectorized/measure/plan/build_test.go 
b/pkg/query/vectorized/measure/plan/build_test.go
index 88fc05a11..644873046 100644
--- a/pkg/query/vectorized/measure/plan/build_test.go
+++ b/pkg/query/vectorized/measure/plan/build_test.go
@@ -56,8 +56,8 @@ func buildScanInput(t *testing.T) (*vectorized.BatchSchema, 
*vectorized.RecordBa
                {Role: vectorized.RoleVersion, Type: 
vectorized.ColumnTypeInt64},
                {Role: vectorized.RoleSeriesID, Type: 
vectorized.ColumnTypeInt64},
                {Role: vectorized.RoleShardID, Type: 
vectorized.ColumnTypeInt64},
-               {Role: vectorized.RoleTag, TagFamily: "default", Name: "svc", 
Type: vectorized.ColumnTypeString},
-               {Role: vectorized.RoleField, Name: "value", Type: 
vectorized.ColumnTypeInt64},
+               {Role: vectorized.RoleTag, TagFamily: "default", Name: tagSvc, 
Type: vectorized.ColumnTypeString},
+               {Role: vectorized.RoleField, Name: fieldValue, Type: 
vectorized.ColumnTypeInt64},
        })
        b := vectorized.NewRecordBatch(schema, 5)
        pushRow := func(ts int64, svc string, v int64) {
@@ -135,8 +135,8 @@ func TestScanGroupByAggLimit_Build_AggregatesByKey(t 
*testing.T) {
        scan := NewScan(schema, ScanParams{})
        scan.Source = src
        gba, err := NewGroupByAgg(scan,
-               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{"svc"}},
-               &model.MeasureAgg{FieldName: "value", Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
+               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{tagSvc}},
+               &model.MeasureAgg{FieldName: fieldValue, Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
        )
        if err != nil {
                t.Fatalf("NewGroupByAgg: %v", err)
@@ -205,8 +205,8 @@ func TestGroupByAgg_Schema_DropsTimestampAddsAggField(t 
*testing.T) {
        scan := NewScan(schema, ScanParams{})
        scan.Source = src
        gba, err := NewGroupByAgg(scan,
-               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{"svc"}},
-               &model.MeasureAgg{FieldName: "value", Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
+               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{tagSvc}},
+               &model.MeasureAgg{FieldName: fieldValue, Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
        )
        if err != nil {
                t.Fatalf("NewGroupByAgg: %v", err)
@@ -222,10 +222,10 @@ func TestGroupByAgg_Schema_DropsTimestampAddsAggField(t 
*testing.T) {
        if len(out.Columns) != 2 {
                t.Fatalf("want 2 output columns (key + agg result), got %d", 
len(out.Columns))
        }
-       if out.Columns[0].Name != "svc" {
+       if out.Columns[0].Name != tagSvc {
                t.Fatalf("col 0 should be the svc key, got %s", 
out.Columns[0].Name)
        }
-       if out.Columns[1].Name != "value" {
+       if out.Columns[1].Name != fieldValue {
                t.Fatalf("col 1 should be 'value' (row-path parity), got %s", 
out.Columns[1].Name)
        }
 }
diff --git a/pkg/query/vectorized/measure/plan/dispatch_test.go 
b/pkg/query/vectorized/measure/plan/dispatch_test.go
index 2e2a979a8..3b9fcf0ec 100644
--- a/pkg/query/vectorized/measure/plan/dispatch_test.go
+++ b/pkg/query/vectorized/measure/plan/dispatch_test.go
@@ -42,7 +42,7 @@ func bareReq() *measurev1.QueryRequest {
                Name:            "demo",
                Groups:          []string{"default"},
                TagProjection:   projTagProj(),
-               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"value"}},
+               FieldProjection: &measurev1.QueryRequest_FieldProjection{Names: 
[]string{fieldValue}},
                TimeRange: &modelv1.TimeRange{
                        Begin: timestamppb.New(time.Unix(0, 0)),
                        End:   timestamppb.New(time.Unix(0, 1_000_000)),
@@ -72,7 +72,7 @@ func TestDispatch_GroupByWithoutAgg_FallsThrough(t 
*testing.T) {
        req := bareReq()
        req.GroupBy = &measurev1.QueryRequest_GroupBy{
                TagProjection: projTagProj(),
-               FieldName:     "value",
+               FieldName:     fieldValue,
        }
        _, _, handled, err := Dispatch(context.Background(),
                req, nil, nil, nil, nil, dispatchCfg(true))
@@ -90,7 +90,7 @@ func TestDispatch_AggWithoutGroupBy_FallsThrough(t 
*testing.T) {
        req := bareReq()
        req.Agg = &measurev1.QueryRequest_Aggregation{
                Function:  modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-               FieldName: "value",
+               FieldName: fieldValue,
        }
        _, _, handled, err := Dispatch(context.Background(),
                req, nil, nil, nil, nil, dispatchCfg(true))
@@ -118,16 +118,16 @@ func 
TestDispatch_GroupByAggUncoveredProjection_FallsThrough(t *testing.T) {
                {
                        name: "groupby_tag_not_in_projection",
                        mutate: func(req *measurev1.QueryRequest) {
-                               // GroupBy references "region" but 
TagProjection only carries "svc".
+                               // GroupBy references region but TagProjection 
only carries svc.
                                req.GroupBy = &measurev1.QueryRequest_GroupBy{
                                        TagProjection: 
&modelv1.TagProjection{TagFamilies: []*modelv1.TagProjection_TagFamily{
                                                {Name: "default", Tags: 
[]string{"region"}},
                                        }},
-                                       FieldName: "value",
+                                       FieldName: fieldValue,
                                }
                                req.Agg = &measurev1.QueryRequest_Aggregation{
                                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                                       FieldName: "value",
+                                       FieldName: fieldValue,
                                }
                        },
                },
@@ -136,13 +136,13 @@ func 
TestDispatch_GroupByAggUncoveredProjection_FallsThrough(t *testing.T) {
                        mutate: func(req *measurev1.QueryRequest) {
                                req.GroupBy = &measurev1.QueryRequest_GroupBy{
                                        TagProjection: projTagProj(),
-                                       FieldName:     "value",
+                                       FieldName:     fieldValue,
                                }
                                req.Agg = &measurev1.QueryRequest_Aggregation{
                                        Function:  
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-                                       FieldName: "value",
+                                       FieldName: fieldValue,
                                }
-                               // Strip "value" from FieldProjection so the 
Agg field is uncovered.
+                               // Strip the value field from FieldProjection 
so the Agg field is uncovered.
                                req.FieldProjection = nil
                        },
                },
@@ -182,7 +182,7 @@ func TestDispatch_Top_ReachesEcQuery(t *testing.T) {
        req := bareReq()
        req.Top = &measurev1.QueryRequest_Top{
                Number:         5,
-               FieldName:      "value",
+               FieldName:      fieldValue,
                FieldValueSort: modelv1.Sort_SORT_DESC,
        }
 
@@ -351,11 +351,14 @@ func TestDispatch_TagValidatedBeforeField(t *testing.T) {
                {Name: "default", Tags: []string{"ghost"}},
        }}
        req.FieldProjection = &measurev1.QueryRequest_FieldProjection{Names: 
[]string{"phantom"}}
-       _, _, _, err := Dispatch(context.Background(),
+       _, _, handled, err := Dispatch(context.Background(),
                req, metadata, measureSchema, logicalSchema, ec, 
dispatchCfg(true))
        if err == nil || err.Error() != "ghost: tag is not defined" {
                t.Fatalf("tag error must take precedence over field error; got 
%v", err)
        }
+       if !handled {
+               t.Fatal("projection parity error must report handled=true 
(caller must not retry row path)")
+       }
 }
 
 // TestDispatch_NoTimeRange_EmptyResultParity covers G9c #9: a nil
@@ -489,7 +492,7 @@ func TestDispatch_Counters_TrackFellThroughCalls(t 
*testing.T) {
        // schema/ec/metadata in the loop below). The counter is still
        // exercised on the clean (non-error) fall-through path.
        gbReq := bareReq()
-       gbReq.GroupBy = &measurev1.QueryRequest_GroupBy{TagProjection: 
projTagProj(), FieldName: "value"}
+       gbReq.GroupBy = &measurev1.QueryRequest_GroupBy{TagProjection: 
projTagProj(), FieldName: fieldValue}
        noTimeReq := bareReq()
        noTimeReq.TimeRange = nil
 
@@ -531,11 +534,11 @@ func TestDispatch_GroupByAggCovered_ReachesEcQuery(t 
*testing.T) {
        req := bareReq()
        req.GroupBy = &measurev1.QueryRequest_GroupBy{
                TagProjection: projTagProj(),
-               FieldName:     "value",
+               FieldName:     fieldValue,
        }
        req.Agg = &measurev1.QueryRequest_Aggregation{
                Function:  modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM,
-               FieldName: "value",
+               FieldName: fieldValue,
        }
 
        iter, planStr, handled, err := Dispatch(context.Background(),
@@ -568,14 +571,14 @@ func 
TestAugmentRequestWithHiddenTags_AppendsFamiliesAfterVisible(t *testing.T)
                t.Fatal("augment must return a clone when extras are present")
        }
        if len(req.GetTagProjection().GetTagFamilies()) != 1 ||
-               req.GetTagProjection().GetTagFamilies()[0].GetTags()[0] != 
"svc" {
+               req.GetTagProjection().GetTagFamilies()[0].GetTags()[0] != 
tagSvc {
                t.Fatalf("caller's req.TagProjection must be untouched, got 
%+v", req.GetTagProjection())
        }
        fams := got.GetTagProjection().GetTagFamilies()
        if len(fams) != 3 {
                t.Fatalf("want 3 families (1 visible + 2 hidden), got %d: %+v", 
len(fams), fams)
        }
-       if fams[0].GetName() != "default" || fams[0].GetTags()[0] != "svc" {
+       if fams[0].GetName() != "default" || fams[0].GetTags()[0] != tagSvc {
                t.Fatalf("visible family must stay first, got %+v", fams[0])
        }
        if fams[1].GetName() != "default" || fams[1].GetTags()[0] != "region" {
@@ -600,7 +603,7 @@ func TestHiddenTagsMIterator_StripsHiddenTagsFromCurrent(t 
*testing.T) {
                                TagFamilies: []*modelv1.TagFamily{{
                                        Name: "default",
                                        Tags: []*modelv1.Tag{
-                                               {Key: "svc", Value: 
&modelv1.TagValue{Value: &modelv1.TagValue_Str{Str: &modelv1.Str{Value: "a"}}}},
+                                               {Key: tagSvc, Value: 
&modelv1.TagValue{Value: &modelv1.TagValue_Str{Str: &modelv1.Str{Value: "a"}}}},
                                                {Key: "region", Value: 
&modelv1.TagValue{Value: &modelv1.TagValue_Str{Str: &modelv1.Str{Value: 
"us"}}}},
                                        },
                                }},
@@ -618,7 +621,7 @@ func TestHiddenTagsMIterator_StripsHiddenTagsFromCurrent(t 
*testing.T) {
                t.Fatalf("expected one family after strip, got %+v", cur)
        }
        tags := cur[0].DataPoint.TagFamilies[0].Tags
-       if len(tags) != 1 || tags[0].Key != "svc" {
+       if len(tags) != 1 || tags[0].Key != tagSvc {
                t.Fatalf("only visible tag 'svc' must remain, got %+v", tags)
        }
        if it.Close() != nil {
diff --git a/pkg/query/vectorized/measure/plan/executor_test.go 
b/pkg/query/vectorized/measure/plan/executor_test.go
index cfce60e0f..dbedf6ea1 100644
--- a/pkg/query/vectorized/measure/plan/executor_test.go
+++ b/pkg/query/vectorized/measure/plan/executor_test.go
@@ -78,8 +78,8 @@ func 
TestExecute_GroupByAgg_EmitsAggregatedRowsWithNilTimestamp(t *testing.T) {
        scan := NewScan(schema, ScanParams{})
        scan.Source = src
        gba, err := NewGroupByAgg(scan,
-               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{"svc"}},
-               &model.MeasureAgg{FieldName: "value", Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
+               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{tagSvc}},
+               &model.MeasureAgg{FieldName: fieldValue, Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
        )
        if err != nil {
                t.Fatalf("NewGroupByAgg: %v", err)
@@ -106,11 +106,11 @@ func 
TestExecute_GroupByAgg_EmitsAggregatedRowsWithNilTimestamp(t *testing.T) {
                        t.Fatalf("want one TagFamily 'default', got %+v", 
idp.DataPoint.TagFamilies)
                }
                tags := idp.DataPoint.TagFamilies[0].Tags
-               if len(tags) != 1 || tags[0].Key != "svc" {
+               if len(tags) != 1 || tags[0].Key != tagSvc {
                        t.Fatalf("want one Tag 'svc', got %+v", tags)
                }
                svc := tags[0].Value.GetStr().GetValue()
-               if len(idp.DataPoint.Fields) != 1 || 
idp.DataPoint.Fields[0].Name != "value" {
+               if len(idp.DataPoint.Fields) != 1 || 
idp.DataPoint.Fields[0].Name != fieldValue {
                        t.Fatalf("want one Field 'value' (row-path parity), got 
%+v", idp.DataPoint.Fields)
                }
                bySvc[svc] = idp.DataPoint.Fields[0].Value.GetInt().GetValue()
@@ -133,7 +133,7 @@ func TestExecute_ScalarReduce_EmitsSingleRow(t *testing.T) {
        scan := NewScan(schema, ScanParams{})
        scan.Source = src
        gba, err := NewGroupByAgg(scan, nil,
-               &model.MeasureAgg{FieldName: "value", Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
+               &model.MeasureAgg{FieldName: fieldValue, Func: 
modelv1.AggregationFunction_AGGREGATION_FUNCTION_SUM},
        )
        if err != nil {
                t.Fatalf("NewGroupByAgg: %v", err)
@@ -160,7 +160,7 @@ func TestExecute_ScalarReduce_EmitsSingleRow(t *testing.T) {
                }
                tags := idp.DataPoint.TagFamilies[0].Tags
                svc = tags[0].Value.GetStr().GetValue()
-               if len(idp.DataPoint.Fields) != 1 || 
idp.DataPoint.Fields[0].Name != "value" {
+               if len(idp.DataPoint.Fields) != 1 || 
idp.DataPoint.Fields[0].Name != fieldValue {
                        t.Fatalf("want one Field 'value', got %+v", 
idp.DataPoint.Fields)
                }
                sum = idp.DataPoint.Fields[0].Value.GetInt().GetValue()
@@ -188,7 +188,7 @@ func TestExecute_RawGroupBy_EmitsFirstRowPerGroup(t 
*testing.T) {
        scan := NewScan(schema, ScanParams{})
        scan.Source = src
        gba, err := NewGroupByAgg(scan,
-               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{"svc"}}, nil,
+               &model.MeasureGroupBy{TagFamily: "default", TagNames: 
[]string{tagSvc}}, nil,
        )
        if err != nil {
                t.Fatalf("NewGroupByAgg: %v", err)
@@ -215,7 +215,7 @@ func TestExecute_RawGroupBy_EmitsFirstRowPerGroup(t 
*testing.T) {
                idp := dps[0]
                // Raw GroupBy preserves the input schema, so the field column
                // survives (unlike the aggregation shapes).
-               if len(idp.DataPoint.Fields) != 1 || 
idp.DataPoint.Fields[0].Name != "value" {
+               if len(idp.DataPoint.Fields) != 1 || 
idp.DataPoint.Fields[0].Name != fieldValue {
                        t.Fatalf("raw GroupBy must preserve the field column, 
got %+v", idp.DataPoint.Fields)
                }
                svc := 
idp.DataPoint.TagFamilies[0].Tags[0].Value.GetStr().GetValue()

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