forked from qt-creator/qt-creator
c02a0037d5
Change-Id: I29c15bbad053a3bac01ea05ad06ff994ce0d8d06 Reviewed-by: Marco Bubke <marco.bubke@qt.io>
133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#pragma once
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#include "sqliteglobal.h"
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#include <utils/smallstringvector.h>
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#include <chrono>
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#include <functional>
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struct sqlite3;
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namespace Sqlite {
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class Database;
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class SQLITE_EXPORT DatabaseBackend
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{
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public:
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using UpdateCallback
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= std::function<void(ChangeType type, char const *, char const *, long long)>;
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DatabaseBackend(Database &database);
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~DatabaseBackend();
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DatabaseBackend(const DatabaseBackend &) = delete;
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DatabaseBackend &operator=(const DatabaseBackend &) = delete;
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DatabaseBackend(DatabaseBackend &&) = delete;
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DatabaseBackend &operator=(DatabaseBackend &&) = delete;
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static void setMmapSize(qint64 defaultSize, qint64 maximumSize);
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static void activateMultiThreading();
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static void activateLogging();
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static void initializeSqliteLibrary();
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static void shutdownSqliteLibrary();
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void checkpointFullWalLog();
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void open(Utils::SmallStringView databaseFilePath, OpenMode openMode);
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void close();
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void closeWithoutException();
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sqlite3* sqliteDatabaseHandle() const;
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void setJournalMode(JournalMode journalMode);
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JournalMode journalMode();
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Utils::SmallStringVector columnNames(Utils::SmallStringView tableName);
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int changesCount() const;
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int totalChangesCount() const;
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int64_t lastInsertedRowId() const;
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void setLastInsertedRowId(int64_t rowId);
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void execute(Utils::SmallStringView sqlStatement);
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template <typename Type>
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Type toValue(Utils::SmallStringView sqlStatement);
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static int openMode(OpenMode);
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void setBusyTimeout(std::chrono::milliseconds timeout);
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void walCheckpointFull();
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void setUpdateHook(UpdateCallback &callback);
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void resetUpdateHook();
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protected:
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bool databaseIsOpen() const;
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void setPragmaValue(Utils::SmallStringView pragma, Utils::SmallStringView value);
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Utils::SmallString pragmaValue(Utils::SmallStringView pragma);
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void registerBusyHandler();
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void registerRankingFunction();
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static int busyHandlerCallback(void*, int counter);
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void checkForOpenDatabaseWhichCanBeClosed();
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void checkDatabaseClosing(int resultCode);
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void checkCanOpenDatabase(Utils::SmallStringView databaseFilePath);
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void checkDatabaseCouldBeOpened(int resultCode);
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void checkCarrayCannotBeIntialized(int resultCode);
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void checkPragmaValue(Utils::SmallStringView databaseValue, Utils::SmallStringView expectedValue);
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void checkDatabaseHandleIsNotNull() const;
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static void checkIfMultithreadingIsActivated(int resultCode);
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static void checkIfLoogingIsActivated(int resultCode);
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static void checkMmapSizeIsSet(int resultCode);
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static void checkInitializeSqliteLibraryWasSuccesful(int resultCode);
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static void checkShutdownSqliteLibraryWasSuccesful(int resultCode);
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void checkIfLogCouldBeCheckpointed(int resultCode);
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void checkIfBusyTimeoutWasSet(int resultCode);
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static Utils::SmallStringView journalModeToPragma(JournalMode journalMode);
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static JournalMode pragmaToJournalMode(Utils::SmallStringView pragma);
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Q_NORETURN static void throwExceptionStatic(const char *whatHasHappens);
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[[noreturn]] void throwException(const char *whatHasHappens) const;
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[[noreturn]] void throwUnknowError(const char *whatHasHappens) const;
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[[noreturn]] void throwDatabaseIsNotOpen(const char *whatHasHappens) const;
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private:
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Database &m_database;
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sqlite3 *m_databaseHandle;
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};
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} // namespace Sqlite
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