milvus/cpp/src/db/Meta.h
Xu Peng f5348ed57c feat(db): file name mock
Former-commit-id: e99baa04809535f5f3c10d5b0c007c9c06ab159c
2019-04-18 10:50:24 +08:00

94 lines
2.8 KiB
C++

#pragma once
#include <string>
#include <cstddef>
#include <vector>
#include <map>
#include <ctime>
#include "Options.h"
#include "Status.h"
namespace zilliz {
namespace vecwise {
namespace engine {
namespace meta {
typedef int DateT;
struct GroupSchema {
size_t id;
std::string group_id;
size_t files_cnt = 0;
uint16_t dimension;
std::string location = "";
std::string next_file_location = "";
}; // GroupSchema
struct GroupFileSchema {
typedef enum {
NEW,
RAW,
INDEX,
TO_DELETE,
} FILE_TYPE;
size_t id;
std::string group_id;
std::string file_id;
int file_type = NEW;
size_t rows;
DateT date;
uint16_t dimension;
std::string location = "";
}; // GroupFileSchema
typedef std::vector<GroupFileSchema> GroupFilesSchema;
typedef std::map<DateT, GroupFilesSchema> DatePartionedGroupFilesSchema;
class Meta {
public:
virtual Status add_group(const GroupOptions& options_,
const std::string& group_id_,
GroupSchema& group_info_) = 0;
virtual Status get_group(const std::string& group_id_, GroupSchema& group_info_) = 0;
virtual Status has_group(const std::string& group_id_, bool& has_or_not_) = 0;
virtual Status add_group_file(const std::string& group_id_,
GroupFileSchema& group_file_info_,
GroupFileSchema::FILE_TYPE file_type=GroupFileSchema::RAW) = 0;
virtual Status add_group_file(const std::string& group_id,
DateT date,
GroupFileSchema& group_file_info,
GroupFileSchema::FILE_TYPE file_type=GroupFileSchema::RAW) = 0;
virtual Status has_group_file(const std::string& group_id_,
const std::string& file_id_,
bool& has_or_not_) = 0;
virtual Status get_group_file(const std::string& group_id_,
const std::string& file_id_,
GroupFileSchema& group_file_info_) = 0;
virtual Status update_group_file(const GroupFileSchema& group_file_) = 0;
virtual Status get_group_files(const std::string& group_id_,
const int date_delta_,
GroupFilesSchema& group_files_info_) = 0;
virtual Status update_files(const GroupFilesSchema& files) = 0;
virtual Status files_to_merge(const std::string& group_id,
DatePartionedGroupFilesSchema& files) = 0;
virtual Status files_to_index(GroupFilesSchema&) = 0;
static DateT GetDate(const std::time_t& t);
static DateT GetDate();
}; // MetaData
} // namespace meta
} // namespace engine
} // namespace vecwise
} // namespace zilliz