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#include "PartMetadataManagerOrdinary.h"
#include <IO/ReadBufferFromFileBase.h>
#include <Compression/CompressedReadBufferFromFile.h>
#include <Disks/IDisk.h>
#include <Storages/MergeTree/IMergeTreeDataPart.h>
namespace DB
{
std::unique_ptr<ReadBuffer> PartMetadataManagerOrdinary::read(const String & file_name) const
{
size_t file_size = part->getDataPartStorage().getFileSize(file_name);
auto res = part->getDataPartStorage().readFile(file_name, ReadSettings().adjustBufferSize(file_size), file_size, std::nullopt);
if (isCompressedFromFileName(file_name))
return std::make_unique<CompressedReadBufferFromFile>(std::move(res));
return res;
}
bool PartMetadataManagerOrdinary::exists(const String & file_name) const
{
return part->getDataPartStorage().exists(file_name);
}
}
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