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ad866d2889
issue: https://github.com/milvus-io/milvus/issues/28994 --------- Signed-off-by: sunby <sunbingyi1992@gmail.com>
71 lines
2.1 KiB
Go
71 lines
2.1 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 metacache
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import (
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"sync"
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"github.com/apache/arrow/go/v12/arrow"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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milvus_storage "github.com/milvus-io/milvus-storage/go/storage"
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"github.com/milvus-io/milvus/internal/util/typeutil"
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)
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type StorageV2Cache struct {
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arrowSchema *arrow.Schema
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spaceMu sync.Mutex
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spaces map[int64]*milvus_storage.Space
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}
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func (s *StorageV2Cache) ArrowSchema() *arrow.Schema {
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return s.arrowSchema
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}
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func (s *StorageV2Cache) GetOrCreateSpace(segmentID int64, creator func() (*milvus_storage.Space, error)) (*milvus_storage.Space, error) {
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s.spaceMu.Lock()
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defer s.spaceMu.Unlock()
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space, ok := s.spaces[segmentID]
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if ok {
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return space, nil
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}
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space, err := creator()
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if err != nil {
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return nil, err
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}
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s.spaces[segmentID] = space
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return space, nil
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}
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// only for unit test
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func (s *StorageV2Cache) SetSpace(segmentID int64, space *milvus_storage.Space) {
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s.spaceMu.Lock()
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defer s.spaceMu.Unlock()
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s.spaces[segmentID] = space
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}
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func NewStorageV2Cache(schema *schemapb.CollectionSchema) (*StorageV2Cache, error) {
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arrowSchema, err := typeutil.ConvertToArrowSchema(schema.Fields)
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if err != nil {
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return nil, err
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}
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return &StorageV2Cache{
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arrowSchema: arrowSchema,
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spaces: make(map[int64]*milvus_storage.Space),
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}, nil
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}
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