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84 lines
2.7 KiB
Go
84 lines
2.7 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 task
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import (
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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)
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type MergeableTask[K comparable, R any] interface {
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ID() K
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Merge(other MergeableTask[K, R])
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}
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var _ MergeableTask[segmentIndex, *querypb.LoadSegmentsRequest] = (*LoadSegmentsTask)(nil)
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type segmentIndex struct {
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NodeID int64
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CollectionID int64
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Shard string
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}
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type LoadSegmentsTask struct {
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tasks []*SegmentTask
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steps []int
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req *querypb.LoadSegmentsRequest
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}
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func NewLoadSegmentsTask(task *SegmentTask, step int, req *querypb.LoadSegmentsRequest) *LoadSegmentsTask {
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return &LoadSegmentsTask{
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tasks: []*SegmentTask{task},
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steps: []int{step},
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req: req,
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}
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}
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func (task *LoadSegmentsTask) ID() segmentIndex {
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return segmentIndex{
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NodeID: task.req.GetDstNodeID(),
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CollectionID: task.req.GetCollectionID(),
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Shard: task.req.GetInfos()[0].GetInsertChannel(),
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}
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}
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func (task *LoadSegmentsTask) Merge(other MergeableTask[segmentIndex, *querypb.LoadSegmentsRequest]) {
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otherTask := other.(*LoadSegmentsTask)
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task.tasks = append(task.tasks, otherTask.tasks...)
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task.steps = append(task.steps, otherTask.steps...)
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task.req.Infos = append(task.req.Infos, otherTask.req.GetInfos()...)
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positions := make(map[string]*msgpb.MsgPosition)
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for _, position := range task.req.DeltaPositions {
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positions[position.GetChannelName()] = position
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}
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for _, position := range otherTask.req.GetDeltaPositions() {
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merged, ok := positions[position.GetChannelName()]
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if !ok || merged.GetTimestamp() > position.GetTimestamp() {
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merged = position
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}
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positions[position.GetChannelName()] = merged
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}
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task.req.DeltaPositions = make([]*msgpb.MsgPosition, 0, len(positions))
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for _, position := range positions {
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task.req.DeltaPositions = append(task.req.DeltaPositions, position)
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}
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}
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func (task *LoadSegmentsTask) Result() *querypb.LoadSegmentsRequest {
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return task.req
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}
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