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946a126799
Buffer for reading from a compressed file with just checking checksums of the compressed blocks, without any decompression, so result can be proxied.
25 lines
693 B
C++
25 lines
693 B
C++
#include <Compression/CheckingCompressedReadBuffer.h>
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namespace DB
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{
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bool CheckingCompressedReadBuffer::nextImpl()
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{
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size_t size_decompressed;
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size_t size_compressed_without_checksum;
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size_t size_compressed = readCompressedData(size_decompressed, size_compressed_without_checksum, true);
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if (!size_compressed)
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return false;
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/// own_compressed_buffer also includes getAdditionalSizeAtTheEndOfBuffer()
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/// which should not be accounted here, so size_compressed is used.
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///
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/// And BufferBase is used over ReadBuffer, since former reset the working_buffer.
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BufferBase::set(own_compressed_buffer.data(), size_compressed, 0);
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return true;
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}
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}
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