#include <qsql_odbc_p.h>

Inheritance diagram for QODBCDriver:

Collaboration diagram for QODBCDriver:

Public Member Functions
	QODBCDriver (QObject *parent=nullptr)

	QODBCDriver (SQLHANDLE env, SQLHANDLE con, QObject *parent=nullptr)

virtual	~QODBCDriver ()

bool	hasFeature (DriverFeature f) const override
	Returns `true` if the driver supports feature feature; otherwise returns `false`.

void	close () override
	Derived classes must reimplement this pure virtual function in order to close the database connection.

QSqlResult *	createResult () const override
	Creates an empty SQL result on the database.

QStringList	tables (QSql::TableType) const override
	Returns a list of the names of the tables in the database.

QSqlRecord	record (const QString &tablename) const override
	Returns a QSqlRecord populated with the names of the fields in table tableName.

QSqlIndex	primaryIndex (const QString &tablename) const override
	Returns the primary index for table tableName.

QVariant	handle () const override
	Returns the low-level database handle wrapped in a QVariant or an invalid variant if there is no handle.

QString	formatValue (const QSqlField &field, bool trimStrings) const override
	Returns a string representation of the field value for the database.

bool	open (const QString &db, const QString &user, const QString &password, const QString &host, int port, const QString &connOpts) override
	Derived classes must reimplement this pure virtual function to open a database connection on database db, using user name user, password password, host host, port port and connection options options.

QString	escapeIdentifier (const QString &identifier, IdentifierType type) const override
	Returns the identifier escaped according to the database rules.

bool	isIdentifierEscaped (const QString &identifier, IdentifierType type) const override
	Returns whether identifier is escaped according to the database rules.

Public Member Functions inherited from QSqlDriver
	QSqlDriver (QObject *parent=nullptr)
	Constructs a new driver with the given parent.

	~QSqlDriver ()
	Destroys the object and frees any allocated resources.

virtual bool	isOpen () const
	Returns `true` if the database connection is open; otherwise returns false.

bool	isOpenError () const
	Returns `true` if the there was an error opening the database connection; otherwise returns `false`.

virtual QString	sqlStatement (StatementType type, const QString &tableName, const QSqlRecord &rec, bool preparedStatement) const
	Returns a SQL statement of type type for the table tableName with the values from rec.

QSqlError	lastError () const
	Returns a QSqlError object which contains information about the last error that occurred on the database.

virtual bool	subscribeToNotification (const QString &name)
	This function is called to subscribe to event notifications from the database.

virtual bool	unsubscribeFromNotification (const QString &name)
	This function is called to unsubscribe from event notifications from the database.

virtual QStringList	subscribedToNotifications () const
	Returns a list of the names of the event notifications that are currently subscribed to.

virtual QString	stripDelimiters (const QString &identifier, IdentifierType type) const
	Returns the identifier with the leading and trailing delimiters removed, identifier can either be a table name or field name, dependent on type.

void	setNumericalPrecisionPolicy (QSql::NumericalPrecisionPolicy precisionPolicy)
	Sets \l numericalPrecisionPolicy to precisionPolicy.

QSql::NumericalPrecisionPolicy	numericalPrecisionPolicy () const
	Returns the \l numericalPrecisionPolicy.

DbmsType	dbmsType () const

virtual int	maximumIdentifierLength (IdentifierType type) const

Public Member Functions inherited from QObject
Q_INVOKABLE	QObject (QObject *parent=nullptr)
	Constructs an object with parent object parent.

virtual	~QObject ()
	Destroys the object, deleting all its child objects.

virtual bool	event (QEvent *event)
	This virtual function receives events to an object and should return true if the event e was recognized and processed.

virtual bool	eventFilter (QObject watched, QEvent event)
	Filters events if this object has been installed as an event filter for the watched object.

QString	objectName () const

Q_WEAK_OVERLOAD void	setObjectName (const QString &name)
	Sets the object's name to name.

void	setObjectName (QAnyStringView name)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

QBindable< QString >	bindableObjectName ()

bool	isWidgetType () const
	Returns `true` if the object is a widget; otherwise returns `false`.

bool	isWindowType () const
	Returns `true` if the object is a window; otherwise returns `false`.

bool	isQuickItemType () const
	Returns `true` if the object is a QQuickItem; otherwise returns `false`.

bool	signalsBlocked () const noexcept
	Returns `true` if signals are blocked; otherwise returns `false`.

bool	blockSignals (bool b) noexcept
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).

QThread *	thread () const
	Returns the thread in which the object lives.

bool	moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
	Changes the thread affinity for this object and its children and returns `true` on success.

int	startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
	This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.

int	startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)

void	killTimer (int id)
	Kills the timer with timer identifier, id.

void	killTimer (Qt::TimerId id)

template<typename T >
T	findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.

template<typename T >
QList< T >	findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.

template<typename T >
T	findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

template<typename T >
QList< T >	findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

const QObjectList &	children () const
	Returns a list of child objects.

void	setParent (QObject *parent)
	Makes the object a child of parent.

void	installEventFilter (QObject *filterObj)
	Installs an event filter filterObj on this object.

void	removeEventFilter (QObject *obj)
	Removes an event filter object obj from this object.

QMetaObject::Connection	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=nullptr, const QObject receiver=nullptr, const char *member=nullptr) const

bool	disconnect (const QObject receiver, const char member=nullptr) const

void	dumpObjectTree () const
	Dumps a tree of children to the debug output.

void	dumpObjectInfo () const
	Dumps information about signal connections, etc.

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value.

bool	setProperty (const char *name, QVariant &&value)

QVariant	property (const char *name) const
	Returns the value of the object's name property.

QList< QByteArray >	dynamicPropertyNames () const

QBindingStorage *	bindingStorage ()

const QBindingStorage *	bindingStorage () const

QObject *	parent () const
	Returns a pointer to the parent object.

bool	inherits (const char *classname) const
	Returns `true` if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns `false`.

Protected Member Functions
bool	beginTransaction () override
	This function is called to begin a transaction.

bool	commitTransaction () override
	This function is called to commit a transaction.

bool	rollbackTransaction () override
	This function is called to rollback a transaction.

Protected Member Functions inherited from QSqlDriver
	QSqlDriver (QSqlDriverPrivate &dd, QObject *parent=nullptr)

virtual void	setOpen (bool o)
	This function sets the open state of the database to open.

virtual void	setOpenError (bool e)
	This function sets the open error state of the database to error.

virtual void	setLastError (const QSqlError &e)
	This function is used to set the value of the last error, error, that occurred on the database.

Protected Member Functions inherited from QObject
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.

int	senderSignalIndex () const

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal.

bool	isSignalConnected (const QMetaMethod &signal) const

virtual void	timerEvent (QTimerEvent *event)
	This event handler can be reimplemented in a subclass to receive timer events for the object.

virtual void	childEvent (QChildEvent *event)
	This event handler can be reimplemented in a subclass to receive child events.

virtual void	customEvent (QEvent *event)
	This event handler can be reimplemented in a subclass to receive custom events.

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	disconnectNotify (const QMetaMethod &signal)

	QObject (QObjectPrivate &dd, QObject *parent=nullptr)

Friends
class	QODBCResultPrivate

Additional Inherited Members
Public Types inherited from QSqlDriver
enum	DriverFeature { Transactions , QuerySize , BLOB , Unicode , PreparedQueries , NamedPlaceholders , PositionalPlaceholders , LastInsertId , BatchOperations , SimpleLocking , LowPrecisionNumbers , EventNotifications , FinishQuery , MultipleResultSets , CancelQuery }
	This enum contains a list of features a driver might support. More...

enum	StatementType { WhereStatement , SelectStatement , UpdateStatement , InsertStatement , DeleteStatement }
	This enum contains a list of SQL statement (or clause) types the driver can create. More...

enum	IdentifierType { FieldName , TableName }
	This enum contains a list of SQL identifier types. More...

enum	NotificationSource { UnknownSource , SelfSource , OtherSource }
	This enum contains a list of SQL notification sources. More...

enum	DbmsType { UnknownDbms , MSSqlServer , MySqlServer , PostgreSQL , Oracle , Sybase , SQLite , Interbase , DB2 , MimerSQL }

Public Slots inherited from QSqlDriver
virtual bool	cancelQuery ()

Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe

Signals inherited from QSqlDriver
void	notification (const QString &name, QSqlDriver::NotificationSource source, const QVariant &payload)

Signals inherited from QObject
void	destroyed (QObject *=nullptr)
	This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.

void	objectNameChanged (const QString &objectName, QPrivateSignal)
	This signal is emitted after the object's name has been changed.

Static Public Member Functions inherited from QObject
static QMetaObject::Connection	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	\threadsafe

static QMetaObject::Connection	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)

template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	\threadsafe

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static bool	disconnect (const QMetaObject::Connection &)
	Disconnect a connection.

template<typename Func1 , typename Func2 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object receiver, Func2 slot)

template<typename Func1 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const QObject receiver, void **zero)

Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Properties inherited from QSqlDriver
QSql::NumericalPrecisionPolicy	numericalPrecisionPolicy

Properties inherited from QObject
QString	objectName
	the name of this object

Related Symbols inherited from QObject
template< class T > T	qobject_cast (const QObject *object)
	Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.

template< typename T > T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

template< typename T > QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

	QObjectList
	\macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 49 of file qsql_odbc_p.h.

Constructor & Destructor Documentation

◆ QODBCDriver() [1/2]

QODBCDriver::QODBCDriver ( QObject * parent = nullptr )

explicit

Definition at line 1845 of file qsql_odbc.cpp.

◆ QODBCDriver() [2/2]

QODBCDriver::QODBCDriver	(	SQLHANDLE	env,
		SQLHANDLE	con,
		QObject *	parent = nullptr )

Definition at line 1850 of file qsql_odbc.cpp.

References con, d, QSqlDriver::setOpen(), and QSqlDriver::setOpenError().

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◆ ~QODBCDriver()

QODBCDriver::~QODBCDriver ( )

virtual

Definition at line 1862 of file qsql_odbc.cpp.

Member Function Documentation

◆ beginTransaction()

bool QODBCDriver::beginTransaction ( )

overrideprotectedvirtual

This function is called to begin a transaction.

If successful, return true, otherwise return false. The default implementation does nothing and returns false.

See also: commitTransaction(), rollbackTransaction()

Reimplemented from QSqlDriver.

Definition at line 2280 of file qsql_odbc.cpp.

References d, QSqlDriver::isOpen(), qMakeError(), qSqlWarning(), QSqlDriver::setLastError(), tr, and QSqlError::TransactionError.

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◆ close()

void QODBCDriver::close ( )

overridevirtual

Derived classes must reimplement this pure virtual function in order to close the database connection.

Return true on success, false on failure.

See also: open(), setOpen()

Implements QSqlDriver.

Definition at line 2026 of file qsql_odbc.cpp.

References QSqlDriver::setOpen(), and QSqlDriver::setOpenError().

Referenced by open().

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◆ commitTransaction()

bool QODBCDriver::commitTransaction ( )

overrideprotectedvirtual

This function is called to commit a transaction.

If successful, return true, otherwise return false. The default implementation does nothing and returns false.

See also: beginTransaction(), rollbackTransaction()

Reimplemented from QSqlDriver.

Definition at line 2300 of file qsql_odbc.cpp.

References d, QSqlDriver::isOpen(), qMakeError(), qSqlWarning(), QSqlDriver::setLastError(), tr, and QSqlError::TransactionError.

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◆ createResult()

QSqlResult * QODBCDriver::createResult ( ) const

overridevirtual

Creates an empty SQL result on the database.

Derived classes must reimplement this function and return a QSqlResult object appropriate for their database to the caller.

Implements QSqlDriver.

Definition at line 2275 of file qsql_odbc.cpp.

Referenced by open().

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◆ escapeIdentifier()

QString QODBCDriver::escapeIdentifier	(	const QString &	identifier,
		IdentifierType	type ) const

overridevirtual

Returns the identifier escaped according to the database rules.

identifier can either be a table name or field name, dependent on type.

The default implementation does nothing.

See also: isIdentifierEscaped()

Reimplemented from QSqlDriver.

Definition at line 2568 of file qsql_odbc.cpp.

References d, QString::endsWith(), QString::isEmpty(), quote(), and QString::startsWith().

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◆ formatValue()

QString QODBCDriver::formatValue	(	const QSqlField &	field,
		bool	trimStrings ) const

overridevirtual

Returns a string representation of the field value for the database.

This is used, for example, when constructing INSERT and UPDATE statements.

The default implementation returns the value formatted as a string according to the following rules:

\list

If field is character data, the value is returned enclosed in single quotation marks, which is appropriate for many SQL databases. Any embedded single-quote characters are escaped (replaced with two single-quote characters). If trimStrings is true (the default is false), all trailing whitespace is trimmed from the field.

If field is date/time data, the value is formatted in ISO format and enclosed in single quotation marks. If the date/time data is invalid, "NULL" is returned.

If field is \l{QByteArray}{bytearray} data, and the driver can edit binary fields, the value is formatted as a hexadecimal string.

For any other field type, toString() is called on its value and the result of this is returned.

\endlist

See also: QVariant::toString()

Reimplemented from QSqlDriver.

Definition at line 2524 of file qsql_odbc.cpp.

References ba, QDateTime::date(), dateTime, QSqlDriver::formatValue(), QMetaType::id(), QSqlField::isNull(), QDateTime::isValid(), QSqlField::metaType, QString::number(), QByteArray::reserve(), QByteArray::size(), QDateTime::time(), QVariant::toByteArray(), QVariant::toDateTime(), QtMiscUtils::toHexLower(), and QSqlField::value.

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◆ handle()

QVariant QODBCDriver::handle ( ) const

overridevirtual

Returns the low-level database handle wrapped in a QVariant or an invalid variant if there is no handle.

Warning: Use this with uttermost care and only if you know what you're doing.; The handle returned here can become a stale pointer if the connection is modified (for example, if you close the connection).; The handle can be NULL if the connection is not open yet.

The handle returned here is database-dependent, you should query the type name of the variant before accessing it.

This example retrieves the handle for a connection to sqlite:

QSqlDatabase db = QSqlDatabase::database();
QVariant v = db.driver()->handle();
if (v.isValid() && (qstrcmp(v.typeName(), "sqlite3*") == 0)) {
    // v.data() returns a pointer to the handle
    sqlite3 *handle = *static_cast<sqlite3 **>(v.data());
    if (handle) {
        // ...
    }
}

This snippet returns the handle for PostgreSQL or MySQL:

if (qstrcmp(v.typeName(), "PGconn*") == 0) {
    PGconn *handle = *static_cast<PGconn **>(v.data());
    if (handle) {
        // ...
    }
}
 
if (qstrcmp(v.typeName(), "MYSQL*") == 0) {
    MYSQL *handle = *static_cast<MYSQL **>(v.data());
    if (handle) {
        // ...
    }
}

See also: QSqlResult::handle()

Reimplemented from QSqlDriver.

Definition at line 2562 of file qsql_odbc.cpp.

References d.

◆ hasFeature()

bool QODBCDriver::hasFeature ( DriverFeature feature ) const

overridevirtual

Returns true if the driver supports feature feature; otherwise returns false.

Note that some databases need to be open() before this can be determined.

See also: DriverFeature

Implements QSqlDriver.

Definition at line 1867 of file qsql_odbc.cpp.

References QSqlDriver::BatchOperations, QSqlDriver::BLOB, QSqlDriver::CancelQuery, d, QSqlDriver::EventNotifications, QSqlDriver::FinishQuery, QSqlDriver::LastInsertId, QSqlDriver::LowPrecisionNumbers, QSqlDriver::MSSqlServer, QSqlDriver::MultipleResultSets, QSqlDriver::MySqlServer, QSqlDriver::NamedPlaceholders, QSqlDriver::PositionalPlaceholders, QSqlDriver::PostgreSQL, QSqlDriver::PreparedQueries, QSqlDriver::QuerySize, QSqlDriver::SimpleLocking, QSqlDriver::Sybase, QSqlDriver::Transactions, and QSqlDriver::Unicode.

◆ isIdentifierEscaped()

bool QODBCDriver::isIdentifierEscaped	(	const QString &	identifier,
		IdentifierType	type ) const

overridevirtual

Returns whether identifier is escaped according to the database rules.

identifier can either be a table name or field name, dependent on type.

Reimplement this function if you want to provide your own implementation in your QSqlDriver subclass,

See also: stripDelimiters(), escapeIdentifier()

Reimplemented from QSqlDriver.

Definition at line 2582 of file qsql_odbc.cpp.

References d, QString::endsWith(), quote(), QString::size(), and QString::startsWith().

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◆ open()

bool QODBCDriver::open	(	const QString &	db,
		const QString &	user,
		const QString &	password,
		const QString &	host,
		int	port,
		const QString &	options )

overridevirtual

Derived classes must reimplement this pure virtual function to open a database connection on database db, using user name user, password password, host host, port port and connection options options.

The function must return true on success and false on failure.

See also: setOpen()

Implements QSqlDriver.

Definition at line 1917 of file qsql_odbc.cpp.

References arg, Qt::CaseInsensitive, cb, close(), QSqlError::ConnectionError, createResult(), d, QByteArray::data(), db, encoded, i, QString::isEmpty(), QSqlDriver::isOpen(), QSqlDriver::MSSqlServer, qGetODBCVersion(), qMakeError(), qSqlWarning(), QSqlDriver::setLastError(), QSqlDriver::setOpen(), QSqlDriver::setOpenError(), QByteArray::size(), toSQLTCHAR(), and tr.

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◆ primaryIndex()

QSqlIndex QODBCDriver::primaryIndex ( const QString & tableName ) const

overridevirtual

Returns the primary index for table tableName.

Returns an empty QSqlIndex if the table doesn't have a primary index. The default implementation returns an empty index.

Reimplemented from QSqlDriver.

Definition at line 2406 of file qsql_odbc.cpp.

References d, QSqlRecord::field(), SqlStmtHandle::handle(), QString::isEmpty(), QSqlDriver::isOpen(), SqlStmtHandle::isValid(), nullptr, QString::number(), qGetStringData(), qSqlWarning(), record(), and toSQLTCHAR().

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◆ record()

QSqlRecord QODBCDriver::record ( const QString & tableName ) const

overridevirtual

Returns a QSqlRecord populated with the names of the fields in table tableName.

If no such table exists, an empty record is returned. The default implementation returns an empty record.

Reimplemented from QSqlDriver.

Definition at line 2481 of file qsql_odbc.cpp.

References d, SqlStmtHandle::handle(), QString::isEmpty(), QSqlDriver::isOpen(), SqlStmtHandle::isValid(), nullptr, qMakeFieldInfo(), qSqlWarning(), and toSQLTCHAR().

Referenced by primaryIndex().

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◆ rollbackTransaction()

bool QODBCDriver::rollbackTransaction ( )

overrideprotectedvirtual

This function is called to rollback a transaction.

If successful, return true, otherwise return false. The default implementation does nothing and returns false.

See also: beginTransaction(), commitTransaction()

Reimplemented from QSqlDriver.

Definition at line 2318 of file qsql_odbc.cpp.

References d, QSqlDriver::isOpen(), qMakeError(), qSqlWarning(), QSqlDriver::setLastError(), tr, and QSqlError::TransactionError.

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◆ tables()

QStringList QODBCDriver::tables ( QSql::TableType tableType ) const

overridevirtual

Returns a list of the names of the tables in the database.

The default implementation returns an empty list.

The tableType argument describes what types of tables should be returned. Due to binary compatibility, the string contains the value of the enum QSql::TableTypes as text. An empty string should be treated as QSql::Tables for backward compatibility.

Reimplemented from QSqlDriver.

Definition at line 2351 of file qsql_odbc.cpp.

References d, SqlStmtHandle::handle(), QSqlDriver::isOpen(), SqlStmtHandle::isValid(), qGetStringData(), qSqlWarning(), QSql::SystemTables, QSql::Tables, toSQLTCHAR(), and QSql::Views.

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Friends And Related Symbol Documentation

◆ QODBCResultPrivate

friend class QODBCResultPrivate

friend

Definition at line 53 of file qsql_odbc_p.h.

The documentation for this class was generated from the following files:

qtbase/src/plugins/sqldrivers/odbc/qsql_odbc_p.h (05fc3aef53348fb58be6308076e000825b704e58)
qtbase/src/plugins/sqldrivers/odbc/qsql_odbc.cpp (efd6786e52639ef1ceab819265b0c33d7ef8294e)

Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QODBCDriver() [1/2]

◆ QODBCDriver() [2/2]

◆ ~QODBCDriver()

Member Function Documentation

◆ beginTransaction()

◆ close()

◆ commitTransaction()

◆ createResult()

◆ escapeIdentifier()

◆ formatValue()

◆ handle()

◆ hasFeature()

◆ isIdentifierEscaped()

◆ open()

◆ primaryIndex()

◆ record()

◆ rollbackTransaction()

◆ tables()

Friends And Related Symbol Documentation

◆ QODBCResultPrivate