milvus/cpp/src/db/Meta.h
groot 1c1fa21e62 MS-96 add new query interface for specified files
Former-commit-id: 87f4c6ac2216b7c3c3cf9cf5a24d0438040d6841
2019-06-21 16:58:37 +08:00

76 lines
2.4 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 "MetaTypes.h"
#include "Options.h"
#include "Status.h"
#include <cstddef>
#include <ctime>
#include <memory>
namespace zilliz {
namespace milvus {
namespace engine {
namespace meta {
class Meta {
public:
using Ptr = std::shared_ptr<Meta>;
virtual Status CreateTable(TableSchema& table_schema) = 0;
virtual Status DescribeTable(TableSchema& table_schema) = 0;
virtual Status HasTable(const std::string& table_id, bool& has_or_not) = 0;
virtual Status AllTables(std::vector<TableSchema>& table_schema_array) = 0;
virtual Status DeleteTable(const std::string& table_id) = 0;
virtual Status DeleteTableFiles(const std::string& table_id) = 0;
virtual Status CreateTableFile(TableFileSchema& file_schema) = 0;
virtual Status DropPartitionsByDates(const std::string& table_id,
const DatesT& dates) = 0;
virtual Status GetTableFiles(const std::string& table_id,
const std::vector<size_t>& ids,
TableFilesSchema& table_files) = 0;
virtual Status UpdateTableFile(TableFileSchema& file_schema) = 0;
virtual Status UpdateTableFiles(TableFilesSchema& files) = 0;
virtual Status FilesToSearch(const std::string &table_id,
const DatesT &partition,
DatePartionedTableFilesSchema& files) = 0;
virtual Status FilesToMerge(const std::string& table_id,
DatePartionedTableFilesSchema& files) = 0;
virtual Status Size(uint64_t& result) = 0;
virtual Status Archive() = 0;
virtual Status FilesToIndex(TableFilesSchema&) = 0;
virtual Status CleanUp() = 0;
virtual Status CleanUpFilesWithTTL(uint16_t) = 0;
virtual Status DropAll() = 0;
virtual Status Count(const std::string& table_id, uint64_t& result) = 0;
static DateT GetDate(const std::time_t& t, int day_delta = 0);
static DateT GetDate();
static DateT GetDateWithDelta(int day_delta);
}; // MetaData
} // namespace meta
} // namespace engine
} // namespace milvus
} // namespace zilliz