milvus/core/src/db/DB.h
starlord 41d37f9648 re-organize project
Former-commit-id: 898c2c8b0b2cfdc1b8664062aa0ea910a93566dd
2019-10-14 09:51:48 +08:00

98 lines
3.0 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 "Options.h"
#include "Types.h"
#include "meta/Meta.h"
#include "utils/Status.h"
#include <memory>
#include <string>
#include <vector>
namespace milvus {
namespace engine {
class Env;
class DB {
public:
DB() = default;
DB(const DB&) = delete;
DB&
operator=(const DB&) = delete;
virtual ~DB() = default;
virtual Status
Start() = 0;
virtual Status
Stop() = 0;
virtual Status
CreateTable(meta::TableSchema& table_schema_) = 0;
virtual Status
DeleteTable(const std::string& table_id, const meta::DatesT& dates) = 0;
virtual Status
DescribeTable(meta::TableSchema& table_schema_) = 0;
virtual Status
HasTable(const std::string& table_id, bool& has_or_not_) = 0;
virtual Status
AllTables(std::vector<meta::TableSchema>& table_schema_array) = 0;
virtual Status
GetTableRowCount(const std::string& table_id, uint64_t& row_count) = 0;
virtual Status
PreloadTable(const std::string& table_id) = 0;
virtual Status
UpdateTableFlag(const std::string& table_id, int64_t flag) = 0;
virtual Status
InsertVectors(const std::string& table_id_, uint64_t n, const float* vectors, IDNumbers& vector_ids_) = 0;
virtual Status
Query(const std::string& table_id, uint64_t k, uint64_t nq, uint64_t nprobe, const float* vectors,
QueryResults& results) = 0;
virtual Status
Query(const std::string& table_id, uint64_t k, uint64_t nq, uint64_t nprobe, const float* vectors,
const meta::DatesT& dates, QueryResults& results) = 0;
virtual Status
Query(const std::string& table_id, const std::vector<std::string>& file_ids, uint64_t k, uint64_t nq,
uint64_t nprobe, const float* vectors, const meta::DatesT& dates, QueryResults& results) = 0;
virtual Status
Size(uint64_t& result) = 0;
virtual Status
CreateIndex(const std::string& table_id, const TableIndex& index) = 0;
virtual Status
DescribeIndex(const std::string& table_id, TableIndex& index) = 0;
virtual Status
DropIndex(const std::string& table_id) = 0;
virtual Status
DropAll() = 0;
}; // DB
using DBPtr = std::shared_ptr<DB>;
} // namespace engine
} // namespace milvus