milvus/cpp/src/db/DBMetaImpl.h
Xu Peng de8811ae9a refactor(db): Size
Former-commit-id: 9dc93505e1378a1e8b14750158c2f8b9b2f840ca
2019-05-28 11:04:37 +08:00

75 lines
2.5 KiB
C++

/*******************************************************************************
* Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
* Unauthorized copying of this file, via any medium is strictly prohibited.
* Proprietary and confidential.
******************************************************************************/
#pragma once
#include "Meta.h"
#include "Options.h"
namespace zilliz {
namespace vecwise {
namespace engine {
namespace meta {
auto StoragePrototype(const std::string& path);
class DBMetaImpl : public Meta {
public:
DBMetaImpl(const DBMetaOptions& options_);
virtual Status CreateTable(TableSchema& table_schema) override;
virtual Status DescribeTable(TableSchema& group_info_) override;
virtual Status HasTable(const std::string& table_id, bool& has_or_not) override;
virtual Status CreateTableFile(TableFileSchema& file_schema) override;
virtual Status DropPartitionsByDates(const std::string& table_id,
const DatesT& dates) override;
virtual Status GetTableFile(TableFileSchema& file_schema) override;
virtual Status UpdateTableFile(TableFileSchema& file_schema) override;
virtual Status UpdateTableFiles(TableFilesSchema& files) override;
virtual Status FilesToSearch(const std::string& table_id,
const DatesT& partition,
DatePartionedTableFilesSchema& files) override;
virtual Status FilesToMerge(const std::string& table_id,
DatePartionedTableFilesSchema& files) override;
virtual Status files_to_index(TableFilesSchema&) override;
virtual Status archive_files() override;
virtual Status Size(long& result) override;
virtual Status cleanup() override;
virtual Status cleanup_ttl_files(uint16_t seconds) override;
virtual Status drop_all() override;
virtual Status count(const std::string& table_id, long& result) override;
virtual ~DBMetaImpl();
private:
Status NextFileId(std::string& file_id);
Status NextGroupId(std::string& table_id);
Status discard_files_of_size(long to_discard_size);
std::string GetGroupPath(const std::string& table_id);
std::string GetGroupDatePartitionPath(const std::string& table_id, DateT& date);
void GetGroupFilePath(TableFileSchema& group_file);
Status initialize();
const DBMetaOptions _options;
}; // DBMetaImpl
} // namespace meta
} // namespace engine
} // namespace vecwise
} // namespace zilliz