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28 lines
630 B
C++
28 lines
630 B
C++
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#pragma once
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#include <Compression/CompressedReadBufferBase.h>
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#include <IO/BufferWithOwnMemory.h>
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#include <IO/ReadBuffer.h>
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namespace DB
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{
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/** A buffer for reading from a compressed file with just checking checksums of
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* the compressed blocks, without any decompression.
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*/
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class CheckingCompressedReadBuffer : public CompressedReadBufferBase, public ReadBuffer
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{
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protected:
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bool nextImpl() override;
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public:
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CheckingCompressedReadBuffer(ReadBuffer & in_, bool allow_different_codecs_ = false)
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: CompressedReadBufferBase(&in_, allow_different_codecs_)
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, ReadBuffer(nullptr, 0)
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{
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}
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};
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}
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