postgres.hxx

Go to the documentation of this file.

/*
 * Copyright (C) 2024-2026 David C. Manuelda (StormBytePP)
 *
 * This file is part of StormByte-Database.
 *
 * StormByte-Database original source is dual-licensed:
 *
 * 1. GNU Lesser General Public License v3.0 (or later)
 *    You may redistribute and/or modify this file under the terms of the
 *    GNU Lesser General Public License as published by the Free Software
 *    Foundation, either version 3 of the License, or (at your option)
 *    any later version.
 *
 * 2. Commercial license
 *    Alternatively, this file may be used under the terms of a commercial
 *    license agreement with the copyright holder
 *    (David C. Manuelda <StormByte@gmail.com>).
 *
 * Both licenses apply only to original StormByte-Database source in this
 * repository. They do not cover other StormByte modules or any third-party
 * material shipped with this repository (including everything under
 * thirdparty/, and in particular the bundled StormByte-Logger tree and
 * the PostgreSQL, MariaDB and SQLite trees), which remain under their own
 * licenses.
 *
 * Neither license grants any patent rights. Any patent licenses required
 * to use this software or third-party components must be obtained separately
 * from the patent holders.
 *
 * StormByte-Database is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with StormByte-Database. If not, see
 * <https://www.gnu.org/licenses/lgpl-3.0.html>.
 *
 * SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-StormByte-Commercial
 */
 
#pragma once
 
#include <StormByte/database/database.hxx>
#include <StormByte/database/postgres/prepared_stmt.hxx>
#include <StormByte/database/postgres/telemetry.hxx>
 
#include <memory>
#include <string>
#include <string_view>
 
struct pg_conn;
 
namespace StormByte {
    namespace Database {
        namespace Postgres {
            class STORMBYTE_DATABASE_PUBLIC Postgres : public Database {
                public:
                    Postgres(const Postgres &db) = delete;
 
                    Postgres(Postgres &&db) noexcept;
 
                    Postgres &operator=(const Postgres &db) = delete;
 
                    Postgres &operator=(Postgres &&db) noexcept;
 
                    ~Postgres() noexcept override;
 
                    ExpectedRows Query(std::string_view query) noexcept override;
 
                    bool SilentQuery(std::string_view query) noexcept override;
 
                protected:
                    Postgres(std::string_view host, std::string_view user, std::string_view password,
                                     std::string_view db_name, const StormByte::Shared<Logger::Log>& logger);
 
                    bool DoSilentQuery(std::string_view query) noexcept override;
 
                private:
                    std::string m_host;     
                    std::string m_user;     
                    std::string m_password; 
                    std::string m_dbname;   
                    struct pg_conn *m_conn; 
 
                    bool DoConnect() noexcept override;
 
                    void DoPreDisconnect() noexcept override;
 
                    void DoDisconnect() noexcept override;
 
                    StormByte::Unique<StormByte::Database::PreparedSTMT> CreatePreparedSTMT(std::string_view name, std::string_view query) noexcept override;
 
                    void DoBeginTransaction(IsolationLevel level) override;
            };
        }   }}