milvus/internal/querycoordv2/task/merge_task.go
congqixia 41af0a98fa
Use go-api/v2 for milvus-proto (#24770)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2023-06-09 01:28:37 +08:00

84 lines
2.7 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package task
import (
"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
"github.com/milvus-io/milvus/internal/proto/querypb"
)
type MergeableTask[K comparable, R any] interface {
ID() K
Merge(other MergeableTask[K, R])
}
var _ MergeableTask[segmentIndex, *querypb.LoadSegmentsRequest] = (*LoadSegmentsTask)(nil)
type segmentIndex struct {
NodeID int64
CollectionID int64
Shard string
}
type LoadSegmentsTask struct {
tasks []*SegmentTask
steps []int
req *querypb.LoadSegmentsRequest
}
func NewLoadSegmentsTask(task *SegmentTask, step int, req *querypb.LoadSegmentsRequest) *LoadSegmentsTask {
return &LoadSegmentsTask{
tasks: []*SegmentTask{task},
steps: []int{step},
req: req,
}
}
func (task *LoadSegmentsTask) ID() segmentIndex {
return segmentIndex{
NodeID: task.req.GetDstNodeID(),
CollectionID: task.req.GetCollectionID(),
Shard: task.req.GetInfos()[0].GetInsertChannel(),
}
}
func (task *LoadSegmentsTask) Merge(other MergeableTask[segmentIndex, *querypb.LoadSegmentsRequest]) {
otherTask := other.(*LoadSegmentsTask)
task.tasks = append(task.tasks, otherTask.tasks...)
task.steps = append(task.steps, otherTask.steps...)
task.req.Infos = append(task.req.Infos, otherTask.req.GetInfos()...)
positions := make(map[string]*msgpb.MsgPosition)
for _, position := range task.req.DeltaPositions {
positions[position.GetChannelName()] = position
}
for _, position := range otherTask.req.GetDeltaPositions() {
merged, ok := positions[position.GetChannelName()]
if !ok || merged.GetTimestamp() > position.GetTimestamp() {
merged = position
}
positions[position.GetChannelName()] = merged
}
task.req.DeltaPositions = make([]*msgpb.MsgPosition, 0, len(positions))
for _, position := range positions {
task.req.DeltaPositions = append(task.req.DeltaPositions, position)
}
}
func (task *LoadSegmentsTask) Result() *querypb.LoadSegmentsRequest {
return task.req
}