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411 lines
17 KiB
Go
411 lines
17 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package segments
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/proto"
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"github.com/milvus-io/milvus-proto/go-api/v3/schemapb"
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"github.com/milvus-io/milvus/internal/util/queryutil"
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"github.com/milvus-io/milvus/internal/util/segcore"
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"github.com/milvus-io/milvus/pkg/v3/proto/internalpb"
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"github.com/milvus-io/milvus/pkg/v3/proto/planpb"
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"github.com/milvus-io/milvus/pkg/v3/proto/querypb"
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"github.com/milvus-io/milvus/pkg/v3/proto/segcorepb"
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)
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func makeInternalIntIDs(ids []int64) *schemapb.IDs {
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return &schemapb.IDs{IdField: &schemapb.IDs_IntId{IntId: &schemapb.LongArray{Data: ids}}}
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}
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func makeInt64Field(fieldID int64, name string, vals []int64) *schemapb.FieldData {
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return &schemapb.FieldData{
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FieldId: fieldID,
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FieldName: name,
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Type: schemapb.DataType_Int64,
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Field: &schemapb.FieldData_Scalars{
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Scalars: &schemapb.ScalarField{
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Data: &schemapb.ScalarField_LongData{LongData: &schemapb.LongArray{Data: vals}},
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},
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},
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}
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}
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func makeSegcoreResult(ids []int64, allCnt int64) *segcorepb.RetrieveResults {
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return &segcorepb.RetrieveResults{Ids: makeInternalIntIDs(ids), AllRetrieveCount: allCnt}
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}
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func buildQueryReqForDelegator(limit int64, outputFieldIDs []int64, orderBy []*planpb.OrderByField, groupBy []int64, aggs []*planpb.Aggregate) *querypb.QueryRequest {
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planNode := &planpb.PlanNode{
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Node: &planpb.PlanNode_Query{
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Query: &planpb.QueryPlanNode{
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OrderByFields: orderBy,
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GroupByFieldIds: groupBy,
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Aggregates: aggs,
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},
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},
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}
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serialized, _ := proto.Marshal(planNode)
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return &querypb.QueryRequest{
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Req: &internalpb.RetrieveRequest{
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Limit: limit,
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SerializedExprPlan: serialized,
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OutputFieldsId: outputFieldIDs,
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GroupByFieldIds: groupBy,
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Aggregates: aggs,
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OrderByFields: orderBy,
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},
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}
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}
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func testQueryPipelineSchema() *schemapb.CollectionSchema {
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return &schemapb.CollectionSchema{
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Name: "query_pipeline",
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Fields: []*schemapb.FieldSchema{
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{FieldID: 100, Name: "pk", DataType: schemapb.DataType_Int64, IsPrimaryKey: true},
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{FieldID: 101, Name: "age", DataType: schemapb.DataType_Int64},
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{FieldID: 200, Name: "color", DataType: schemapb.DataType_VarChar},
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},
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}
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}
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func TestAllSegcoreResultsEmpty(t *testing.T) {
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assert.True(t, allSegcoreResultsEmpty([]*segcorepb.RetrieveResults{nil, nil}))
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assert.False(t, allSegcoreResultsEmpty([]*segcorepb.RetrieveResults{nil, makeSegcoreResult([]int64{1, 2}, 2)}))
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assert.True(t, allSegcoreResultsEmpty([]*segcorepb.RetrieveResults{{Ids: &schemapb.IDs{}}}))
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assert.True(t, allSegcoreResultsEmpty(nil))
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}
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func TestRunDelegatorQueryPipeline(t *testing.T) {
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schema := testQueryPipelineSchema()
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ctx := context.Background()
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t.Run("plain query dedup and stats", func(t *testing.T) {
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req := buildQueryReqForDelegator(3, []int64{100, 101}, nil, nil, nil)
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res1 := &internalpb.RetrieveResults{
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Ids: makeInternalIntIDs([]int64{1, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(999, "dummy", []int64{10, 30}), makeInt64Field(100, "pk_sort_col", []int64{1, 3})},
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AllRetrieveCount: 2,
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}
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res2 := &internalpb.RetrieveResults{
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Ids: makeInternalIntIDs([]int64{2, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(999, "dummy", []int64{20, 300}), makeInt64Field(100, "pk_sort_col", []int64{2, 3})},
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AllRetrieveCount: 3,
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}
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out, err := RunDelegatorQueryPipeline(ctx, req, schema, []*internalpb.RetrieveResults{res1, res2})
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require.NoError(t, err)
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assert.Equal(t, []int64{1, 2, 3}, out.GetIds().GetIntId().GetData())
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assert.Equal(t, int64(5), out.GetAllRetrieveCount())
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})
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t.Run("order by query", func(t *testing.T) {
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req := buildQueryReqForDelegator(3, []int64{100, 101}, []*planpb.OrderByField{{FieldId: 101, Ascending: true, NullsFirst: false}}, nil, nil)
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res1 := &internalpb.RetrieveResults{
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Ids: makeInternalIntIDs([]int64{1, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(100, "pk", []int64{1, 3}), makeInt64Field(101, "age", []int64{30, 10})},
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}
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res2 := &internalpb.RetrieveResults{
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Ids: makeInternalIntIDs([]int64{2, 4}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(100, "pk", []int64{2, 4}), makeInt64Field(101, "age", []int64{20, 40})},
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}
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out, err := RunDelegatorQueryPipeline(ctx, req, schema, []*internalpb.RetrieveResults{res1, res2})
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require.NoError(t, err)
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assert.Equal(t, []int64{3, 2, 1}, out.GetIds().GetIntId().GetData())
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assert.Equal(t, []int64{10, 20, 30}, out.GetFieldsData()[1].GetScalars().GetLongData().GetData())
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})
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t.Run("order by with duplicate PKs", func(t *testing.T) {
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// PK=3 appears in both results; should be deduped, then sorted by age ASC
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req := buildQueryReqForDelegator(3, []int64{100, 101}, []*planpb.OrderByField{{FieldId: 101, Ascending: true, NullsFirst: false}}, nil, nil)
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res1 := &internalpb.RetrieveResults{
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Ids: makeInternalIntIDs([]int64{1, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(100, "pk", []int64{1, 3}), makeInt64Field(101, "age", []int64{30, 10})},
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}
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res2 := &internalpb.RetrieveResults{
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Ids: makeInternalIntIDs([]int64{2, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(100, "pk", []int64{2, 3}), makeInt64Field(101, "age", []int64{20, 10})},
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}
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out, err := RunDelegatorQueryPipeline(ctx, req, schema, []*internalpb.RetrieveResults{res1, res2})
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require.NoError(t, err)
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// After dedup: PK=1(age=30), PK=2(age=20), PK=3(age=10)
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// After ORDER BY age ASC: PK=3(10), PK=2(20), PK=1(30)
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assert.Equal(t, []int64{3, 2, 1}, out.GetIds().GetIntId().GetData())
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ages := out.GetFieldsData()[1].GetScalars().GetLongData().GetData()
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assert.Equal(t, []int64{10, 20, 30}, ages)
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})
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t.Run("empty input", func(t *testing.T) {
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req := buildQueryReqForDelegator(3, []int64{100}, nil, nil, nil)
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out, err := RunDelegatorQueryPipeline(ctx, req, schema, nil)
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require.NoError(t, err)
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assert.NotNil(t, out)
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assert.NotNil(t, out.GetFieldsData())
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})
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}
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func TestRunDelegatorQueryPipeline_GroupBy(t *testing.T) {
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schema := testQueryPipelineSchema()
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ctx := context.Background()
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req := buildQueryReqForDelegator(10, nil,
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nil, // no ORDER BY
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[]int64{200}, // GROUP BY color
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[]*planpb.Aggregate{{Op: planpb.AggregateOp_count, FieldId: 500}},
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)
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// Two QN results with GROUP BY layout: [group_col(color), agg_col(count)]
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res1 := &internalpb.RetrieveResults{
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FieldsData: []*schemapb.FieldData{
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{
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FieldId: 200, FieldName: "color", Type: schemapb.DataType_VarChar,
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Field: &schemapb.FieldData_Scalars{Scalars: &schemapb.ScalarField{
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Data: &schemapb.ScalarField_StringData{StringData: &schemapb.StringArray{Data: []string{"red", "blue"}}},
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}},
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},
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makeInt64Field(500, "count", []int64{3, 5}),
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},
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}
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res2 := &internalpb.RetrieveResults{
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FieldsData: []*schemapb.FieldData{
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{
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FieldId: 200, FieldName: "color", Type: schemapb.DataType_VarChar,
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Field: &schemapb.FieldData_Scalars{Scalars: &schemapb.ScalarField{
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Data: &schemapb.ScalarField_StringData{StringData: &schemapb.StringArray{Data: []string{"red", "green"}}},
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}},
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},
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makeInt64Field(500, "count", []int64{2, 4}),
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},
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}
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out, err := RunDelegatorQueryPipeline(ctx, req, schema, []*internalpb.RetrieveResults{res1, res2})
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require.NoError(t, err)
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assert.NotNil(t, out)
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// Should have 2 columns: color and count
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require.Len(t, out.GetFieldsData(), 2)
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// Should have 3 groups: red(5), blue(5), green(4)
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groups := out.GetFieldsData()[0].GetScalars().GetStringData().GetData()
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assert.Len(t, groups, 3)
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}
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func TestExtractSegcoreResult(t *testing.T) {
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req := &querypb.QueryRequest{Req: &internalpb.RetrieveRequest{OutputFieldsId: []int64{100}}}
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schema := testQueryPipelineSchema()
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segStats := []*segcorepb.RetrieveResults{
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{AllRetrieveCount: 2, HasMoreResult: true, ScannedRemoteBytes: 10, ScannedTotalBytes: 20},
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{AllRetrieveCount: 3, HasMoreResult: false, ScannedRemoteBytes: 20, ScannedTotalBytes: 30},
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}
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t.Run("segcore output", func(t *testing.T) {
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msg := queryutil.OpMsg{queryutil.PipelineOutput: &segcorepb.RetrieveResults{Ids: makeInternalIntIDs([]int64{1, 2})}}
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out, err := extractSegcoreResult(msg, segStats, req, schema)
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require.NoError(t, err)
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assert.Equal(t, []int64{1, 2}, out.GetIds().GetIntId().GetData())
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assert.Equal(t, int64(5), out.GetAllRetrieveCount())
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assert.True(t, out.GetHasMoreResult())
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})
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t.Run("internal output", func(t *testing.T) {
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msg := queryutil.OpMsg{queryutil.PipelineOutput: &internalpb.RetrieveResults{Ids: makeInternalIntIDs([]int64{3, 4})}}
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out, err := extractSegcoreResult(msg, segStats, req, schema)
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require.NoError(t, err)
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assert.Equal(t, []int64{3, 4}, out.GetIds().GetIntId().GetData())
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})
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t.Run("unexpected type", func(t *testing.T) {
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msg := queryutil.OpMsg{queryutil.PipelineOutput: "bad_output"}
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_, err := extractSegcoreResult(msg, segStats, req, schema)
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require.Error(t, err)
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assert.Contains(t, err.Error(), "unexpected pipeline output type")
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})
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}
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func TestRunQNQueryPipeline(t *testing.T) {
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schema := testQueryPipelineSchema()
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ctx := context.Background()
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plan := &planpb.PlanNode{Node: &planpb.PlanNode_Query{Query: &planpb.QueryPlanNode{}}}
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t.Run("standard non ignore non pk", func(t *testing.T) {
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req := &querypb.QueryRequest{Req: &internalpb.RetrieveRequest{Limit: 3, OutputFieldsId: []int64{100, 101}}}
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rp := &segcore.RetrievePlan{}
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segcoreResults := []*segcorepb.RetrieveResults{
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{
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Ids: makeInternalIntIDs([]int64{1, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(999, "dummy", []int64{10, 30}), makeInt64Field(100, "pk_sort_col", []int64{1, 3})},
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AllRetrieveCount: 2,
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},
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{
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Ids: makeInternalIntIDs([]int64{2, 3}),
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FieldsData: []*schemapb.FieldData{makeInt64Field(999, "dummy", []int64{20, 300}), makeInt64Field(100, "pk_sort_col", []int64{2, 3})},
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AllRetrieveCount: 3,
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},
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}
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out, err := RunQNQueryPipeline(ctx, req, schema, plan, segcoreResults, nil, nil, rp)
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require.NoError(t, err)
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assert.Equal(t, []int64{1, 2, 3}, out.GetIds().GetIntId().GetData())
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assert.Equal(t, int64(5), out.GetAllRetrieveCount())
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})
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t.Run("ignore non pk path", func(t *testing.T) {
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req := &querypb.QueryRequest{Req: &internalpb.RetrieveRequest{Limit: 2, OutputFieldsId: []int64{100, 101}}}
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rp := &segcore.RetrievePlan{}
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rp.SetIgnoreNonPk(true)
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seg0 := NewMockSegment(t)
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seg1 := NewMockSegment(t)
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seg0.EXPECT().DatabaseName().Return("default").Maybe()
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seg0.EXPECT().ResourceGroup().Return("rg").Maybe()
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seg1.EXPECT().DatabaseName().Return("default").Maybe()
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seg1.EXPECT().ResourceGroup().Return("rg").Maybe()
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seg0.EXPECT().RetrieveByOffsets(mock.Anything, mock.AnythingOfType("*segcore.RetrievePlanWithOffsets")).
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RunAndReturn(func(ctx context.Context, plan *segcore.RetrievePlanWithOffsets) (*segcorepb.RetrieveResults, error) {
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assert.Equal(t, []int64{10}, plan.Offsets)
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return &segcorepb.RetrieveResults{
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FieldsData: []*schemapb.FieldData{
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makeInt64Field(101, "age", []int64{100}),
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},
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}, nil
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}).Once()
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seg1.EXPECT().RetrieveByOffsets(mock.Anything, mock.AnythingOfType("*segcore.RetrievePlanWithOffsets")).
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RunAndReturn(func(ctx context.Context, plan *segcore.RetrievePlanWithOffsets) (*segcorepb.RetrieveResults, error) {
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assert.Equal(t, []int64{20}, plan.Offsets)
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return &segcorepb.RetrieveResults{
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FieldsData: []*schemapb.FieldData{
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makeInt64Field(101, "age", []int64{200}),
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},
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}, nil
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}).Once()
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segcoreResults := []*segcorepb.RetrieveResults{
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{
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Ids: makeInternalIntIDs([]int64{1}),
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Offset: []int64{10},
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FieldsData: []*schemapb.FieldData{makeSegcoreTsField([]int64{100})},
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AllRetrieveCount: 2,
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},
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{
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Ids: makeInternalIntIDs([]int64{2}),
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Offset: []int64{20},
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FieldsData: []*schemapb.FieldData{makeSegcoreTsField([]int64{200})},
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AllRetrieveCount: 3,
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},
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}
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out, err := RunQNQueryPipeline(ctx, req, schema, plan, segcoreResults, []Segment{seg0, seg1}, nil, rp)
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require.NoError(t, err)
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assert.Equal(t, []int64{1, 2}, out.GetIds().GetIntId().GetData())
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assert.Equal(t, []int64{100, 200}, out.GetFieldsData()[0].GetScalars().GetLongData().GetData())
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assert.Equal(t, int64(5), out.GetAllRetrieveCount())
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})
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t.Run("all empty segcore results", func(t *testing.T) {
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req := &querypb.QueryRequest{Req: &internalpb.RetrieveRequest{Limit: 2, OutputFieldsId: []int64{100}}}
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rp := &segcore.RetrievePlan{}
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out, err := RunQNQueryPipeline(ctx, req, schema, plan, []*segcorepb.RetrieveResults{nil, {Ids: &schemapb.IDs{}}}, nil, nil, rp)
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require.NoError(t, err)
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assert.NotNil(t, out)
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assert.NotNil(t, out.GetFieldsData())
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})
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// Regression test for https://github.com/milvus-io/milvus/issues/48603
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// When sparse filter prunes all segments on a QN worker, emptySegcoreResult
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// must return a valid aggregation result (e.g., count=0) instead of empty FieldsData.
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t.Run("all empty segcore results with count aggregation", func(t *testing.T) {
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countAgg := []*planpb.Aggregate{{Op: planpb.AggregateOp_count}}
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req := buildQueryReqForDelegator(-1, nil, nil, nil, countAgg)
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rp := &segcore.RetrievePlan{}
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out, err := RunQNQueryPipeline(ctx, req, schema, plan,
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[]*segcorepb.RetrieveResults{nil, {Ids: &schemapb.IDs{}}}, nil, nil, rp)
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require.NoError(t, err)
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require.Len(t, out.GetFieldsData(), 1, "count(*) should produce exactly 1 fieldData")
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countVal := out.GetFieldsData()[0].GetScalars().GetLongData().GetData()
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require.Len(t, countVal, 1)
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assert.Equal(t, int64(0), countVal[0], "count(*) on empty segments should be 0")
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})
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}
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func TestEmptySegcoreResultAggregation(t *testing.T) {
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schema := testQueryPipelineSchema()
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t.Run("count aggregation returns count=0", func(t *testing.T) {
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countAgg := []*planpb.Aggregate{{Op: planpb.AggregateOp_count}}
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req := buildQueryReqForDelegator(-1, nil, nil, nil, countAgg)
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result, err := emptySegcoreResult(req, schema)
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require.NoError(t, err)
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require.Len(t, result.GetFieldsData(), 1)
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assert.Equal(t, schemapb.DataType_Int64, result.GetFieldsData()[0].GetType())
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countVal := result.GetFieldsData()[0].GetScalars().GetLongData().GetData()
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require.Len(t, countVal, 1)
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assert.Equal(t, int64(0), countVal[0])
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})
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t.Run("group by with count aggregation returns empty group + count=0", func(t *testing.T) {
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countAgg := []*planpb.Aggregate{{Op: planpb.AggregateOp_count}}
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groupBy := []int64{101} // group by "age" (Int64)
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req := buildQueryReqForDelegator(-1, nil, nil, groupBy, countAgg)
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result, err := emptySegcoreResult(req, schema)
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require.NoError(t, err)
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// 1 group-by column + 1 count column = 2 fieldDatas
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require.Len(t, result.GetFieldsData(), 2)
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})
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t.Run("non-aggregation returns regular empty result", func(t *testing.T) {
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req := buildQueryReqForDelegator(10, []int64{100, 101}, nil, nil, nil)
|
|
|
|
result, err := emptySegcoreResult(req, schema)
|
|
require.NoError(t, err)
|
|
// Regular empty result uses FillRetrieveResultIfEmpty with OutputFieldsId
|
|
assert.Len(t, result.GetFieldsData(), 2)
|
|
})
|
|
}
|
|
|
|
// Regression test: Delegator pipeline must handle a mix of empty and non-empty
|
|
// worker results for count(*) aggregation (issue #48603).
|
|
func TestDelegatorPipelineCountWithEmptyWorkerResult(t *testing.T) {
|
|
schema := testQueryPipelineSchema()
|
|
ctx := context.Background()
|
|
countAgg := []*planpb.Aggregate{{Op: planpb.AggregateOp_count}}
|
|
req := buildQueryReqForDelegator(-1, nil, nil, nil, countAgg)
|
|
|
|
// Simulate: worker1 returned count=5, worker2 returned count=0 (from emptySegcoreResult fix)
|
|
worker1 := &internalpb.RetrieveResults{
|
|
FieldsData: []*schemapb.FieldData{makeInt64Field(0, "", []int64{5})},
|
|
}
|
|
worker2 := &internalpb.RetrieveResults{
|
|
FieldsData: []*schemapb.FieldData{makeInt64Field(0, "", []int64{0})},
|
|
}
|
|
|
|
out, err := RunDelegatorQueryPipeline(ctx, req, schema, []*internalpb.RetrieveResults{worker1, worker2})
|
|
require.NoError(t, err)
|
|
require.Len(t, out.GetFieldsData(), 1)
|
|
countVal := out.GetFieldsData()[0].GetScalars().GetLongData().GetData()
|
|
require.Len(t, countVal, 1)
|
|
assert.Equal(t, int64(5), countVal[0], "should sum counts from both workers")
|
|
}
|