mirror of https://github.com/milvus-io/milvus.git
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package segments
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import (
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"context"
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"github.com/samber/lo"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/proto/segcorepb"
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"github.com/milvus-io/milvus/pkg/common"
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"github.com/milvus-io/milvus/pkg/util/merr"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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type internalReducer interface {
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Reduce(context.Context, []*internalpb.RetrieveResults) (*internalpb.RetrieveResults, error)
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}
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func CreateInternalReducer(req *querypb.QueryRequest, schema *schemapb.CollectionSchema) internalReducer {
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if req.GetReq().GetIsCount() {
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return &cntReducer{}
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}
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return newDefaultLimitReducer(req, schema)
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}
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type segCoreReducer interface {
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Reduce(context.Context, []*segcorepb.RetrieveResults, []Segment, *RetrievePlan) (*segcorepb.RetrieveResults, error)
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}
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func CreateSegCoreReducer(req *querypb.QueryRequest, schema *schemapb.CollectionSchema, manager *Manager) segCoreReducer {
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if req.GetReq().GetIsCount() {
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return &cntReducerSegCore{}
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}
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return newDefaultLimitReducerSegcore(req, schema, manager)
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}
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type TimestampedRetrieveResult[T interface {
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typeutil.ResultWithID
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GetFieldsData() []*schemapb.FieldData
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}] struct {
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Result T
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Timestamps []int64
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}
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func (r *TimestampedRetrieveResult[T]) GetIds() *schemapb.IDs {
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return r.Result.GetIds()
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}
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func (r *TimestampedRetrieveResult[T]) GetHasMoreResult() bool {
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return r.Result.GetHasMoreResult()
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}
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func (r *TimestampedRetrieveResult[T]) GetTimestamps() []int64 {
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return r.Timestamps
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}
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func NewTimestampedRetrieveResult[T interface {
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typeutil.ResultWithID
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GetFieldsData() []*schemapb.FieldData
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}](result T) (*TimestampedRetrieveResult[T], error) {
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tsField, has := lo.Find(result.GetFieldsData(), func(fd *schemapb.FieldData) bool {
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return fd.GetFieldId() == common.TimeStampField
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})
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if !has {
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return nil, merr.WrapErrServiceInternal("RetrieveResult does not have timestamp field")
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}
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timestamps := tsField.GetScalars().GetLongData().GetData()
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idSize := typeutil.GetSizeOfIDs(result.GetIds())
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if idSize != len(timestamps) {
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return nil, merr.WrapErrServiceInternal("id length is not equal to timestamp length")
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}
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return &TimestampedRetrieveResult[T]{
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Result: result,
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Timestamps: timestamps,
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}, nil
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}
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