milvus/cpp/src/db/DB.h
starlord a0e4d19e4f format db code
Former-commit-id: 3b4781e4c000beea41baddf54635d7bbe7ea5f52
2019-09-27 14:13:33 +08:00

83 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 <string>
#include <memory>
#include <vector>
namespace zilliz {
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
} // namespace zilliz