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File indexing completed on 2025-08-28 08:27:00
0001 // Licensed to the Apache Software Foundation (ASF) under one 0002 // or more contributor license agreements. See the NOTICE file 0003 // distributed with this work for additional information 0004 // regarding copyright ownership. The ASF licenses this file 0005 // to you under the Apache License, Version 2.0 (the 0006 // "License"); you may not use this file except in compliance 0007 // with the License. You may obtain a copy of the License at 0008 // 0009 // http://www.apache.org/licenses/LICENSE-2.0 0010 // 0011 // Unless required by applicable law or agreed to in writing, 0012 // software distributed under the License is distributed on an 0013 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 0014 // KIND, either express or implied. See the License for the 0015 // specific language governing permissions and limitations 0016 // under the License. 0017 0018 #pragma once 0019 0020 namespace arrow { 0021 namespace ipc { 0022 0023 enum class MetadataVersion : char { 0024 /// 0.1.0 0025 V1, 0026 0027 /// 0.2.0 0028 V2, 0029 0030 /// 0.3.0 to 0.7.1 0031 V3, 0032 0033 /// 0.8.0 to 0.17.0 0034 V4, 0035 0036 /// >= 1.0.0 0037 V5 0038 }; 0039 0040 class Message; 0041 enum class MessageType { 0042 NONE, 0043 SCHEMA, 0044 DICTIONARY_BATCH, 0045 RECORD_BATCH, 0046 TENSOR, 0047 SPARSE_TENSOR 0048 }; 0049 0050 struct IpcReadOptions; 0051 struct IpcWriteOptions; 0052 0053 class MessageReader; 0054 0055 class RecordBatchStreamReader; 0056 class RecordBatchFileReader; 0057 class RecordBatchWriter; 0058 0059 class DictionaryFieldMapper; 0060 class DictionaryMemo; 0061 0062 namespace feather { 0063 0064 class Reader; 0065 0066 } // namespace feather 0067 } // namespace ipc 0068 } // namespace arrow
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