rssguard/src/librssguard/database/sqlitedriver.h

52 lines
1.8 KiB
C++

// For license of this file, see <project-root-folder>/LICENSE.md.
#ifndef SQLITEDRIVER_H
#define SQLITEDRIVER_H
#include "database/databasedriver.h"
#if defined(SYSTEM_SQLITE3)
#include <sqlite3.h>
#else
#include "3rd-party/sqlite/sqlite3.h"
#endif
class SqliteDriver : public DatabaseDriver {
Q_OBJECT
public:
explicit SqliteDriver(bool in_memory, QObject* parent = nullptr);
virtual QString location() const;
virtual DriverType driverType() const;
virtual bool vacuumDatabase();
virtual QString ddlFilePrefix() const;
virtual bool saveDatabase();
virtual bool initiateRestoration(const QString& database_package_file);
virtual bool finishRestoration();
virtual QSqlDatabase connection(const QString& connection_name,
DatabaseDriver::DesiredStorageType desired_type =
DatabaseDriver::DesiredStorageType::FromSettings);
virtual qint64 databaseDataSize();
virtual QString humanDriverType() const;
virtual QString qtDriverCode() const;
virtual void backupDatabase(const QString& backup_folder, const QString& backup_name);
virtual QString autoIncrementPrimaryKey() const;
virtual QString blob() const;
private:
QSqlDatabase initializeDatabase(const QString& connection_name, bool in_memory);
void setPragmas(QSqlQuery& query);
QString databaseFilePath() const;
// Uses native "sqlite3" handle to save or load in-memory DB from/to file.
int loadOrSaveDbInMemoryDb(sqlite3* in_memory_db, const char* db_filename, bool save);
private:
bool m_inMemoryDatabase;
QString m_databaseFilePath;
bool m_fileBasedDatabaseInitialized;
bool m_inMemoryDatabaseInitialized;
};
#endif // SQLITEDRIVER_H