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#pragma once
#include <Backups/BackupEntryWithChecksumCalculation.h>
namespace DB
{
class IDisk;
using DiskPtr = std::shared_ptr<IDisk>;
/// Represents a file prepared to be included in a backup,
/// assuming that the file is small and can be easily loaded into memory.
class BackupEntryFromSmallFile : public BackupEntryWithChecksumCalculation<IBackupEntry>
{
public:
explicit BackupEntryFromSmallFile(const String & file_path_, const ReadSettings & read_settings_);
BackupEntryFromSmallFile(const DiskPtr & disk_, const String & file_path_, const ReadSettings & read_settings_, bool copy_encrypted_ = false);
std::unique_ptr<SeekableReadBuffer> getReadBuffer(const ReadSettings &) const override;
UInt64 getSize() const override { return data.size(); }
DataSourceDescription getDataSourceDescription() const override { return data_source_description; }
bool isEncryptedByDisk() const override { return copy_encrypted; }
bool isFromFile() const override { return true; }
DiskPtr getDisk() const override { return disk; }
String getFilePath() const override { return file_path; }
private:
const DiskPtr disk;
const String file_path;
const DataSourceDescription data_source_description;
const bool copy_encrypted = false;
const String data;
};
}
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