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https://gitee.com/milvus-io/milvus.git
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117 lines
3.4 KiB
Go
117 lines
3.4 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 querynode
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/*
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#cgo pkg-config: milvus_segcore
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#include "segcore/collection_c.h"
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#include "segcore/segment_c.h"
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*/
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import "C"
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import (
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"fmt"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/log"
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)
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// Partition is a logical division of Collection and can be considered as an attribute of Segment.
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type Partition struct {
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collectionID UniqueID
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partitionID UniqueID
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growingSegmentIDs []UniqueID
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sealedSegmentIDs []UniqueID
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}
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// ID returns the identity of the partition.
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func (p *Partition) ID() UniqueID {
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return p.partitionID
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}
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// getSegmentIDs returns segment ids by DataScope
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func (p *Partition) getSegmentIDs(segType segmentType) ([]UniqueID, error) {
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switch segType {
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case segmentTypeGrowing:
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dst := make([]UniqueID, len(p.growingSegmentIDs))
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copy(dst, p.growingSegmentIDs)
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return dst, nil
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case segmentTypeSealed:
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dst := make([]UniqueID, len(p.sealedSegmentIDs))
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copy(dst, p.sealedSegmentIDs)
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return dst, nil
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default:
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return nil, fmt.Errorf("unexpected segmentType %s", segType.String())
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}
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}
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// addSegmentID add segmentID to segmentIDs
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func (p *Partition) addSegmentID(segmentID UniqueID, segType segmentType) {
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switch segType {
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case segmentTypeGrowing:
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p.growingSegmentIDs = append(p.growingSegmentIDs, segmentID)
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case segmentTypeSealed:
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p.sealedSegmentIDs = append(p.sealedSegmentIDs, segmentID)
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default:
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return
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}
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log.Info("add a segment to replica",
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zap.Int64("collectionID", p.collectionID),
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zap.Int64("partitionID", p.partitionID),
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zap.Int64("segmentID", segmentID),
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zap.String("segmentType", segType.String()))
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}
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// removeSegmentID removes segmentID from segmentIDs
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func (p *Partition) removeSegmentID(segmentID UniqueID, segType segmentType) {
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deleteFunc := func(segmentIDs []UniqueID) []UniqueID {
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tmpIDs := make([]UniqueID, 0)
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for _, id := range segmentIDs {
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if id != segmentID {
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tmpIDs = append(tmpIDs, id)
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}
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}
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return tmpIDs
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}
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switch segType {
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case segmentTypeGrowing:
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p.growingSegmentIDs = deleteFunc(p.growingSegmentIDs)
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case segmentTypeSealed:
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p.sealedSegmentIDs = deleteFunc(p.sealedSegmentIDs)
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default:
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return
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}
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log.Info("remove a segment from replica",
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zap.Int64("collectionID", p.collectionID),
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zap.Int64("partitionID", p.partitionID),
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zap.Int64("segmentID", segmentID),
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zap.String("segmentType", segType.String()))
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}
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// newPartition returns a new Partition
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func newPartition(collectionID UniqueID, partitionID UniqueID) *Partition {
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var newPartition = &Partition{
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collectionID: collectionID,
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partitionID: partitionID,
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}
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log.Info("create partition", zap.Int64("partitionID", partitionID))
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return newPartition
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}
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