wei liu 5038036ece
enhance: Reuse hash locations during access bloom fitler (#32642)
issue: #32530 

when try to match segment bloom filter with pk, we can reuse the hash
locations. This PR maintain the max hash Func, and compute hash location
once for all segment, reuse hash location can speed up bf access

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Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2024-05-07 06:13:47 -07:00

68 lines
1.9 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 pkoracle
import (
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
"github.com/milvus-io/milvus/internal/storage"
)
type candidateKey struct {
segmentID int64
partitionID int64
typ commonpb.SegmentState
}
// MayPkExist checks whether primary key could exists in this candidate.
func (k candidateKey) MayPkExist(pk storage.PrimaryKey) bool {
// always return true to prevent miuse
return true
}
func (k candidateKey) TestLocations(pk storage.PrimaryKey, locs []uint64) bool {
// always return true to prevent miuse
return true
}
func (k candidateKey) GetHashFuncNum() uint {
return 0
}
// ID implements Candidate.
func (k candidateKey) ID() int64 {
return k.segmentID
}
// Partition implements Candidate.
func (k candidateKey) Partition() int64 {
return k.partitionID
}
// Type implements Candidate.
func (k candidateKey) Type() commonpb.SegmentState {
return k.typ
}
// NewCandidateKey creates a candidateKey and returns as Candidate.
func NewCandidateKey(id int64, partitionID int64, typ commonpb.SegmentState) Candidate {
return candidateKey{
segmentID: id,
partitionID: partitionID,
typ: typ,
}
}