milvus/internal/flushcommon/metacache/pkoracle/lazy_pk_stats.go

84 lines
2.3 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/samber/lo"
"go.uber.org/atomic"
"github.com/milvus-io/milvus/internal/storage"
"github.com/milvus-io/milvus/pkg/v2/util/merr"
)
var _ PkStat = (*LazyPkStats)(nil)
// LazyPkStats
type LazyPkStats struct {
inner atomic.Pointer[PkStat]
}
func NewLazyPkstats() *LazyPkStats {
return &LazyPkStats{}
}
func (s *LazyPkStats) SetPkStats(pk PkStat) {
if pk != nil {
s.inner.Store(&pk)
}
}
func (s *LazyPkStats) PkExists(lc *storage.LocationsCache) bool {
inner := s.inner.Load()
if inner == nil {
return true
}
return (*inner).PkExists(lc)
}
func (s *LazyPkStats) BatchPkExist(lc *storage.BatchLocationsCache) []bool {
inner := s.inner.Load()
if inner == nil {
return lo.RepeatBy(lc.Size(), func(_ int) bool {
return true
})
}
return (*inner).BatchPkExist(lc)
}
func (s *LazyPkStats) BatchPkExistWithHits(lc *storage.BatchLocationsCache, hits []bool) []bool {
inner := s.inner.Load()
if inner == nil {
return lo.RepeatBy(lc.Size(), func(_ int) bool {
return true
})
}
return (*inner).BatchPkExistWithHits(lc, hits)
}
func (s *LazyPkStats) UpdatePKRange(ids storage.FieldData) error {
return merr.WrapErrServiceInternal("UpdatePKRange shall never be called on LazyPkStats")
}
func (s *LazyPkStats) Roll(newStats ...*storage.PrimaryKeyStats) {
merr.WrapErrServiceInternal("Roll shall never be called on LazyPkStats")
}
func (s *LazyPkStats) GetHistory() []*storage.PkStatistics {
// GetHistory shall never be called on LazyPkStats
return nil
}