diff options
Diffstat (limited to 'src/sql/kernel/qsqldatabase.cpp')
| -rw-r--r-- | src/sql/kernel/qsqldatabase.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp index 01726d79ef..facf7fd28c 100644 --- a/src/sql/kernel/qsqldatabase.cpp +++ b/src/sql/kernel/qsqldatabase.cpp @@ -84,7 +84,7 @@ Q_GLOBAL_STATIC(QConnectionDict, dbDict) class QSqlDatabasePrivate { public: - QSqlDatabasePrivate(QSqlDatabase *d, QSqlDriver *dr = 0): + QSqlDatabasePrivate(QSqlDatabase *d, QSqlDriver *dr = nullptr): ref(1), q(d), driver(dr), @@ -178,7 +178,7 @@ DriverDict &QSqlDatabasePrivate::driverDict() QSqlDatabasePrivate *QSqlDatabasePrivate::shared_null() { static QSqlNullDriver dr; - static QSqlDatabasePrivate n(NULL, &dr); + static QSqlDatabasePrivate n(nullptr, &dr); return &n; } @@ -561,7 +561,7 @@ QStringList QSqlDatabase::drivers() and don't want to compile it as a plugin. Example: - \snippet code/src_sql_kernel_qsqldatabase.cpp 2 + \snippet code/src_sql_kernel_qsqldatabase_snippet.cpp 2 QSqlDatabase takes ownership of the \a creator pointer, so you mustn't delete it yourself. @@ -702,7 +702,7 @@ void QSqlDatabasePrivate::init(const QString &type) qWarning("QSqlDatabase: %s driver not loaded", type.toLatin1().data()); qWarning("QSqlDatabase: available drivers: %s", QSqlDatabase::drivers().join(QLatin1Char(' ')).toLatin1().data()); - if (QCoreApplication::instance() == 0) + if (QCoreApplication::instance() == nullptr) qWarning("QSqlDatabase: an instance of QCoreApplication is required for loading driver plugins"); driver = shared_null()->driver; } @@ -1271,9 +1271,7 @@ bool QSqlDatabase::isDriverAvailable(const QString& name) application. For example, you can create a PostgreSQL connection with your own QPSQL driver like this: - \snippet code/src_sql_kernel_qsqldatabase.cpp 5 - \codeline - \snippet code/src_sql_kernel_qsqldatabase.cpp 6 + \snippet code/src_sql_kernel_qsqldatabase_snippet.cpp 6 The above code sets up a PostgreSQL connection and instantiates a QPSQLDriver object. Next, addDatabase() is called to add the @@ -1292,7 +1290,7 @@ bool QSqlDatabase::isDriverAvailable(const QString& name) client library. Make sure the client library is in your linker's search path, and add lines like these to your \c{.pro} file: - \snippet code/src_sql_kernel_qsqldatabase.cpp 7 + \snippet code/src_sql_kernel_qsqldatabase_snippet.cpp 7 The method described works for all the supplied drivers. The only difference will be in the driver constructor arguments. Here is a |