milvus/cpp/src/db/DBMetaImpl.h
Xu Peng 3d330e0aa4 refactor(db): change group_info to table_schema and add_group to CreateTable
Former-commit-id: e8d48ec8e54429bf5d1080997ca329b42ddcab82
2019-05-28 11:04:37 +08:00

84 lines
3.0 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 get_group(TableSchema& group_info_) override;
virtual Status has_group(const std::string& table_id_, bool& has_or_not_) override;
virtual Status add_group_file(TableFileSchema& group_file_info) override;
virtual Status delete_group_partitions(const std::string& table_id,
const meta::DatesT& dates) override;
virtual Status has_group_file(const std::string& table_id_,
const std::string& file_id_,
bool& has_or_not_) override;
virtual Status get_group_file(const std::string& table_id_,
const std::string& file_id_,
TableFileSchema& group_file_info_) override;
virtual Status update_group_file(TableFileSchema& group_file_) override;
virtual Status get_group_files(const std::string& table_id_,
const int date_delta_,
TableFilesSchema& group_files_info_) override;
virtual Status update_files(TableFilesSchema& files) override;
virtual Status files_to_merge(const std::string& table_id,
DatePartionedTableFilesSchema& files) override;
virtual Status files_to_search(const std::string& table_id,
const DatesT& partition,
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);
Status get_group_no_lock(TableSchema& group_info);
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