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32 lines
702 B
C++
32 lines
702 B
C++
#pragma once
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#include <Common/config.h>
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#if USE_HDFS
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#include <IO/WriteBuffer.h>
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#include <IO/BufferWithOwnMemory.h>
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#include <string>
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#include <memory>
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namespace DB
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{
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/** Accepts HDFS path to file and opens it.
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* Closes file by himself (thus "owns" a file descriptor).
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*/
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class WriteBufferFromHDFS : public BufferWithOwnMemory<WriteBuffer>
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{
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struct WriteBufferFromHDFSImpl;
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std::unique_ptr<WriteBufferFromHDFSImpl> impl;
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public:
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WriteBufferFromHDFS(const std::string & hdfs_name_, size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE);
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WriteBufferFromHDFS(WriteBufferFromHDFS &&) = default;
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void nextImpl() override;
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~WriteBufferFromHDFS() override;
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void sync();
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};
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}
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#endif
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