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29 lines
674 B
C++
29 lines
674 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/ReadBuffer.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 ReadBufferFromHDFS : public BufferWithOwnMemory<ReadBuffer>
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{
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struct ReadBufferFromHDFSImpl;
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std::unique_ptr<ReadBufferFromHDFSImpl> impl;
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public:
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ReadBufferFromHDFS(const std::string & hdfs_name_, size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE);
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ReadBufferFromHDFS(ReadBufferFromHDFS &&) = default;
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~ReadBufferFromHDFS() override;
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bool nextImpl() override;
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};
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}
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#endif
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