mrproliu commented on code in PR #1142: URL: https://github.com/apache/skywalking-banyandb/pull/1142#discussion_r3301280880
########## banyand/dump/decode.go: ########## @@ -0,0 +1,100 @@ +// Licensed to Apache Software Foundation (ASF) under one or more contributor +// license agreements. See the NOTICE file distributed with +// this work for additional information regarding copyright +// ownership. Apache Software Foundation (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 dump + +import ( + "time" + + "google.golang.org/protobuf/types/known/timestamppb" + + modelv1 "github.com/apache/skywalking-banyandb/api/proto/banyandb/model/v1" + "github.com/apache/skywalking-banyandb/pkg/convert" + pbv1 "github.com/apache/skywalking-banyandb/pkg/pb/v1" +) + +// DecodeTagValue converts a byte-encoded tag value back to a typed +// modelv1.TagValue. valueType selects the decoding; the returned value is +// self-contained (string / binary contents are copied), so it may be retained +// past the next Iterator.Next()/Close(). +func DecodeTagValue(valueType pbv1.ValueType, value []byte, valueArr [][]byte) *modelv1.TagValue { + if value == nil && valueArr == nil { + return pbv1.NullTagValue + } + + switch valueType { + case pbv1.ValueTypeStr: + if value == nil { + return pbv1.NullTagValue + } + return &modelv1.TagValue{ + Value: &modelv1.TagValue_Str{ + Str: &modelv1.Str{ + Value: string(value), + }, + }, + } + case pbv1.ValueTypeInt64: + if value == nil { + return pbv1.NullTagValue + } + return &modelv1.TagValue{ + Value: &modelv1.TagValue_Int{ + Int: &modelv1.Int{ + Value: convert.BytesToInt64(value), + }, + }, + } + case pbv1.ValueTypeTimestamp: + if value == nil { + return pbv1.NullTagValue + } + return &modelv1.TagValue{ + Value: &modelv1.TagValue_Timestamp{ + Timestamp: timestamppb.New(time.Unix(0, convert.BytesToInt64(value))), + }, + } + case pbv1.ValueTypeStrArr: + values := make([]string, 0, len(valueArr)) + for _, item := range valueArr { + values = append(values, string(item)) + } + return &modelv1.TagValue{ + Value: &modelv1.TagValue_StrArray{StrArray: &modelv1.StrArray{Value: values}}, + } + case pbv1.ValueTypeBinaryData: + if value == nil { + return pbv1.NullTagValue + } + b := make([]byte, len(value)) + copy(b, value) + return &modelv1.TagValue{ + Value: &modelv1.TagValue_BinaryData{BinaryData: b}, + } + default: + if value != nil { + return &modelv1.TagValue{ + Value: &modelv1.TagValue_Str{ + Str: &modelv1.Str{ + Value: string(value), + }, + }, + } + } + return pbv1.NullTagValue + } Review Comment: added the `ValueTypeInt64Arr` implementation. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
