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