milvus/cpp/src/db/meta/Meta.h
starlord 736ca8e473 MS-578 makesure milvus5.0 dont crack 0.3.1 data
Former-commit-id: 9f801246821d98c4f5d7681252b5dfadf1f94773
2019-09-20 11:33:10 +08:00

108 lines
3.5 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include "MetaTypes.h"
#include "db/Options.h"
#include "db/Types.h"
#include "utils/Status.h"
#include <cstddef>
#include <memory>
namespace zilliz {
namespace milvus {
namespace engine {
namespace meta {
static const char* META_TABLES = "Tables";
static const char* META_TABLEFILES = "TableFiles";
class Meta {
public:
virtual ~Meta() = default;
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 UpdateTableIndex(const std::string &table_id, const TableIndex& index) = 0;
virtual Status UpdateTableFlag(const std::string &table_id, int64_t flag) = 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 UpdateTableFilesToIndex(const std::string &table_id) = 0;
virtual Status UpdateTableFile(TableFileSchema &file_schema) = 0;
virtual Status UpdateTableFiles(TableFilesSchema &files) = 0;
virtual Status FilesToSearch(const std::string &table_id,
const std::vector<size_t> &ids,
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 FilesByType(const std::string &table_id,
const std::vector<int> &file_types,
std::vector<std::string>& file_ids) = 0;
virtual Status DescribeTableIndex(const std::string &table_id, TableIndex& index) = 0;
virtual Status DropTableIndex(const std::string &table_id) = 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;
}; // MetaData
using MetaPtr = std::shared_ptr<Meta>;
} // namespace meta
} // namespace engine
} // namespace milvus
} // namespace zilliz