59017cebe6
1. Refactor the create method of hdfs reader & writer.
libhdfs3 does not support arm64. So we should not support hdfs reader & writer on arm64.
2. And micro for LowerUpperImpl
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include "exec/file_reader.h"
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#include "exec/file_writer.h"
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#include "gen_cpp/PlanNodes_types.h"
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namespace doris {
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// This class is used to create hdfs readers and writers.
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// Because libhdfs3 does not support the arm64 environment,
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// we use this class to shield the upper layer from the need to deal with the platform environment
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// when creating a raeder or writer.
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//
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// If in the arm64 environment, creating a reader or writer through this class will return an error.
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class HdfsReaderWriter {
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public:
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static Status create_reader(const THdfsParams& hdfs_params,
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const std::string& path,
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int64_t start_offset,
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FileReader** reader);
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static Status create_writer(std::map<std::string, std::string>& properties,
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const std::string& path,
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FileWriter** writer);
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};
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} // namespace doris
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