| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtSql module of the Qt Toolkit. |
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| ** GNU Lesser General Public License Usage |
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| ****************************************************************************/ |
| |
| #ifndef QSQLDATABASE_H |
| #define QSQLDATABASE_H |
| |
| #include <QtCore/qstring.h> |
| #include <QtSql/qsql.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QSqlError; |
| class QSqlDriver; |
| class QSqlIndex; |
| class QSqlRecord; |
| class QSqlQuery; |
| class QSqlDatabasePrivate; |
| |
| class Q_SQL_EXPORT QSqlDriverCreatorBase |
| { |
| public: |
| virtual ~QSqlDriverCreatorBase() {} |
| virtual QSqlDriver *createObject() const = 0; |
| }; |
| |
| template <class T> |
| class QSqlDriverCreator : public QSqlDriverCreatorBase |
| { |
| public: |
| QSqlDriver *createObject() const Q_DECL_OVERRIDE { return new T; } |
| }; |
| |
| class Q_SQL_EXPORT QSqlDatabase |
| { |
| public: |
| QSqlDatabase(); |
| QSqlDatabase(const QSqlDatabase &other); |
| ~QSqlDatabase(); |
| |
| QSqlDatabase &operator=(const QSqlDatabase &other); |
| |
| bool open(); |
| bool open(const QString& user, const QString& password); |
| void close(); |
| bool isOpen() const; |
| bool isOpenError() const; |
| QStringList tables(QSql::TableType type = QSql::Tables) const; |
| QSqlIndex primaryIndex(const QString& tablename) const; |
| QSqlRecord record(const QString& tablename) const; |
| QSqlQuery exec(const QString& query = QString()) const; |
| QSqlError lastError() const; |
| bool isValid() const; |
| |
| bool transaction(); |
| bool commit(); |
| bool rollback(); |
| |
| void setDatabaseName(const QString& name); |
| void setUserName(const QString& name); |
| void setPassword(const QString& password); |
| void setHostName(const QString& host); |
| void setPort(int p); |
| void setConnectOptions(const QString& options = QString()); |
| QString databaseName() const; |
| QString userName() const; |
| QString password() const; |
| QString hostName() const; |
| QString driverName() const; |
| int port() const; |
| QString connectOptions() const; |
| QString connectionName() const; |
| void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy); |
| QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const; |
| |
| QSqlDriver* driver() const; |
| |
| static |
| #if !defined(Q_CC_MSVC) || _MSC_VER >= 1900 |
| // ### Qt6: remove the #ifdef |
| const |
| #endif |
| char *defaultConnection; |
| |
| static QSqlDatabase addDatabase(const QString& type, |
| const QString& connectionName = QLatin1String(defaultConnection)); |
| static QSqlDatabase addDatabase(QSqlDriver* driver, |
| const QString& connectionName = QLatin1String(defaultConnection)); |
| static QSqlDatabase cloneDatabase(const QSqlDatabase &other, const QString& connectionName); |
| static QSqlDatabase database(const QString& connectionName = QLatin1String(defaultConnection), |
| bool open = true); |
| static void removeDatabase(const QString& connectionName); |
| static bool contains(const QString& connectionName = QLatin1String(defaultConnection)); |
| static QStringList drivers(); |
| static QStringList connectionNames(); |
| static void registerSqlDriver(const QString &name, QSqlDriverCreatorBase *creator); |
| static bool isDriverAvailable(const QString &name); |
| |
| protected: |
| explicit QSqlDatabase(const QString& type); |
| explicit QSqlDatabase(QSqlDriver* driver); |
| |
| private: |
| friend class QSqlDatabasePrivate; |
| QSqlDatabasePrivate *d; |
| }; |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlDatabase &); |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSQLDATABASE_H |