milvus/cpp/src/db/Meta.h
Xu Peng 09fdd0f849 refactor(db): FilesToSearch
Former-commit-id: dcb7f972ee13a0916129dfec5b05dad66025dfbf
2019-05-28 11:04:37 +08:00

68 lines
2.1 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 <cstddef>
#include <ctime>
#include <memory>
#include "MetaTypes.h"
#include "Options.h"
#include "Status.h"
namespace zilliz {
namespace vecwise {
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 CreateTableFile(TableFileSchema& file_schema) = 0;
virtual Status DropPartitionsByDates(const std::string& table_id,
const DatesT& dates) = 0;
virtual Status GetTableFile(TableFileSchema& file_schema) = 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 files_to_merge(const std::string& table_id,
DatePartionedTableFilesSchema& files) = 0;
virtual Status size(long& result) = 0;
virtual Status archive_files() = 0;
virtual Status files_to_index(TableFilesSchema&) = 0;
virtual Status cleanup() = 0;
virtual Status cleanup_ttl_files(uint16_t) = 0;
virtual Status drop_all() = 0;
virtual Status count(const std::string& table_id, long& 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 vecwise
} // namespace zilliz