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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // 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 binlog | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "path" | ||
| "sort" | ||
| "strconv" | ||
|
|
||
| "github.com/milvus-io/milvus/internal/storage" | ||
| "github.com/milvus-io/milvus/pkg/util/merr" | ||
| ) | ||
|
|
||
| func readData(reader *storage.BinlogReader, et storage.EventTypeCode) ([]any, error) { | ||
| result := make([]any, 0) | ||
| for { | ||
| event, err := reader.NextEventReader() | ||
| if err != nil { | ||
| return nil, merr.WrapErrImportFailed(fmt.Sprintf("failed to iterate events reader, error: %v", err)) | ||
| } | ||
| if event == nil { | ||
| break // end of the file | ||
| } | ||
| if event.TypeCode != et { | ||
| return nil, merr.WrapErrImportFailed(fmt.Sprintf("wrong binlog type, expect:%s, actual:%s", | ||
| et.String(), event.TypeCode.String())) | ||
| } | ||
| data, _, err := event.PayloadReaderInterface.GetDataFromPayload() | ||
| if err != nil { | ||
| return nil, merr.WrapErrImportFailed(fmt.Sprintf("failed to read data, error: %v", err)) | ||
| } | ||
| result = append(result, data.([]any)...) | ||
| } | ||
| return result, nil | ||
| } | ||
|
|
||
| func newBinlogReader(cm storage.ChunkManager, path string) (*storage.BinlogReader, error) { | ||
| bytes, err := cm.Read(context.TODO(), path) // TODO: dyh, resolve context, and checks if the error is a retryable error | ||
| if err != nil { | ||
| return nil, merr.WrapErrImportFailed(fmt.Sprintf("failed to open binlog %s", path)) | ||
| } | ||
| var reader *storage.BinlogReader | ||
| reader, err = storage.NewBinlogReader(bytes) | ||
| if err != nil { | ||
| return nil, merr.WrapErrImportFailed(fmt.Sprintf("failed to create reader, binlog:%s, error:%v", path, err)) | ||
| } | ||
| return reader, nil | ||
| } | ||
|
|
||
| func listBinlogs(cm storage.ChunkManager, paths []string) (map[int64][]string, []string, error) { | ||
| if len(paths) < 1 { | ||
| return nil, nil, merr.WrapErrImportFailed("no insert binlogs to import") | ||
| } | ||
| insertLogPaths, _, err := cm.ListWithPrefix(context.Background(), paths[0], true) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| insertLogs := make(map[int64][]string) | ||
| for _, logPath := range insertLogPaths { | ||
| fieldPath := path.Dir(logPath) | ||
| fieldStrID := path.Base(fieldPath) | ||
| fieldID, err := strconv.ParseInt(fieldStrID, 10, 64) | ||
| if err != nil { | ||
| return nil, nil, merr.WrapErrImportFailed(fmt.Sprintf("failed to parse field id from log, error: %v", err)) | ||
| } | ||
| insertLogs[fieldID] = append(insertLogs[fieldID], logPath) | ||
| } | ||
| for _, v := range insertLogs { | ||
| sort.Strings(v) | ||
| } | ||
| if len(paths) < 2 { | ||
| return insertLogs, nil, nil | ||
| } | ||
| deltaLogs, _, err := cm.ListWithPrefix(context.Background(), paths[1], true) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| return insertLogs, deltaLogs, nil | ||
| } |
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