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36 lines
716 B
C++
36 lines
716 B
C++
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#pragma once
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#include <Common/config.h>
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#if USE_SNAPPY
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#include <IO/ReadBuffer.h>
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#include <IO/SeekableReadBuffer.h>
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#include <IO/BufferWithOwnMemory.h>
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namespace DB
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{
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class SnappyReadBuffer : public BufferWithOwnMemory<SeekableReadBuffer>
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{
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public:
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explicit SnappyReadBuffer(
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std::unique_ptr<ReadBuffer> in_,
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size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE,
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char * existing_memory = nullptr,
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size_t alignment = 0);
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~SnappyReadBuffer() override;
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bool nextImpl() override;
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off_t seek(off_t off, int whence) override;
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off_t getPosition() override;
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private:
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std::unique_ptr<ReadBuffer> in;
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String compress_buffer;
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String uncompress_buffer;
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};
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}
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#endif
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