mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-12 13:05:32 +08:00
31cf849f68
To reduce the overhead caused by listing the S3 objects, add an interface to importutil.Reader to retrieve file sizes. issue: https://github.com/milvus-io/milvus/issues/31532, https://github.com/milvus-io/milvus/issues/28521 --------- Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
76 lines
2.6 KiB
Go
76 lines
2.6 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 importutilv2
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
|
|
"github.com/milvus-io/milvus/internal/proto/internalpb"
|
|
"github.com/milvus-io/milvus/internal/storage"
|
|
"github.com/milvus-io/milvus/internal/util/importutilv2/binlog"
|
|
"github.com/milvus-io/milvus/internal/util/importutilv2/json"
|
|
"github.com/milvus-io/milvus/internal/util/importutilv2/numpy"
|
|
"github.com/milvus-io/milvus/internal/util/importutilv2/parquet"
|
|
"github.com/milvus-io/milvus/pkg/util/merr"
|
|
)
|
|
|
|
//go:generate mockery --name=Reader --structname=MockReader --output=./ --filename=mock_reader.go --with-expecter --inpackage
|
|
type Reader interface {
|
|
// Size returns the size of the underlying file/files in bytes.
|
|
// It returns an error if the size cannot be determined.
|
|
Size() (int64, error)
|
|
|
|
// Read reads data from the underlying file/files.
|
|
// It returns the storage.InsertData and an error, if any.
|
|
Read() (*storage.InsertData, error)
|
|
|
|
// Close closes the underlying file reader.
|
|
Close()
|
|
}
|
|
|
|
func NewReader(ctx context.Context,
|
|
cm storage.ChunkManager,
|
|
schema *schemapb.CollectionSchema,
|
|
importFile *internalpb.ImportFile,
|
|
options Options,
|
|
bufferSize int,
|
|
) (Reader, error) {
|
|
if IsBackup(options) {
|
|
tsStart, tsEnd, err := ParseTimeRange(options)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
paths := importFile.GetPaths()
|
|
return binlog.NewReader(ctx, cm, schema, paths, tsStart, tsEnd)
|
|
}
|
|
|
|
fileType, err := GetFileType(importFile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
switch fileType {
|
|
case JSON:
|
|
return json.NewReader(ctx, cm, schema, importFile.GetPaths()[0], bufferSize)
|
|
case Numpy:
|
|
return numpy.NewReader(ctx, schema, importFile.GetPaths(), cm, bufferSize)
|
|
case Parquet:
|
|
return parquet.NewReader(ctx, cm, schema, importFile.GetPaths()[0], bufferSize)
|
|
}
|
|
return nil, merr.WrapErrImportFailed("unexpected import file")
|
|
}
|