// 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, cm, schema, importFile.GetPaths(), bufferSize) case Parquet: return parquet.NewReader(ctx, cm, schema, importFile.GetPaths()[0], bufferSize) } return nil, merr.WrapErrImportFailed("unexpected import file") }