Added TQt4 HEAD

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diff --git a/tqtinterface/qt4/src/sql/tqsqldriver.h b/tqtinterface/qt4/src/sql/tqsqldriver.h
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+++ b/tqtinterface/qt4/src/sql/tqsqldriver.h
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+/****************************************************************************
+**
+** Definition of TQSqlDriver class
+**
+** Created : 2000-11-03
+**
+** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the sql module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file.  Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQSQLDRIVER_H
+#define TQSQLDRIVER_H
+
+#ifndef TQT_H
+#include "tqobject.h"
+#include "tqptrdict.h"
+#include "tqstring.h"
+#include "tqsqlerror.h"
+#include "tqsqlquery.h"
+#include "tqsqlfield.h"
+#include "tqsqlindex.h"
+#include "tqstringlist.h"
+#include "tqmap.h"
+#endif // TQT_H
+
+#if !defined( TQT_MODULE_SQL ) || defined( TQT_LICENSE_PROFESSIONAL )
+#define TQM_EXPORT_SQL
+#else
+#define TQM_EXPORT_SQL TQ_EXPORT
+#endif
+
+#ifndef TQT_NO_SQL
+
+class TQSqlDriverExtension;
+
+class TQSqlDatabase;
+
+class TQM_EXPORT_SQL TQSqlDriver : public TQObject
+{
+    friend class TQSqlDatabase;
+    Q_OBJECT
+    TQ_OBJECT
+public:
+    enum DriverFeature { Transactions, QuerySize, BLOB, Unicode, PreparedQueries,
+			 NamedPlaceholders, PositionalPlaceholders };
+
+    TQSqlDriver( TQObject * tqparent=0, const char * name=0 );
+    ~TQSqlDriver();
+    bool			isOpen() const;
+    bool			isOpenError() const;
+
+    virtual bool		beginTransaction();
+    virtual bool		commitTransaction();
+    virtual bool		rollbackTransaction();
+    virtual TQStringList		tables( const TQString& tableType ) const;
+    virtual TQSqlIndex		primaryIndex( const TQString& tableName ) const;
+    virtual TQSqlRecord		record( const TQString& tableName ) const;
+    virtual TQSqlRecord		record( const TQSqlQuery& query ) const;
+    virtual TQSqlRecordInfo	recordInfo( const TQString& tablename ) const;
+    virtual TQSqlRecordInfo	recordInfo( const TQSqlQuery& query ) const;
+    virtual TQString		nullText() const;
+    virtual TQString		formatValue( const TQSqlField* field, bool trimStrings = FALSE ) const;
+    TQSqlError			lastError() const;
+
+    virtual bool		hasFeature( DriverFeature f ) const = 0;
+    virtual bool		open( const TQString & db,
+				      const TQString & user = TQString::null,
+				      const TQString & password = TQString::null,
+				      const TQString & host = TQString::null,
+				      int port = -1 ) = 0;
+    virtual void		close() = 0;
+    virtual TQSqlQuery		createQuery() const = 0;
+
+    // ### remove for 4.0
+    bool			open( const TQString& db,
+				      const TQString& user,
+				      const TQString& password,
+				      const TQString& host,
+				      int port,
+				      const TQString& connOpts );
+protected:
+    virtual void		setOpen( bool o );
+    virtual void		setOpenError( bool e );
+    virtual void		setLastError( const TQSqlError& e );
+private:
+    // ### This class needs a d-pointer in 4.0.
+    int		          dbState;
+    TQSqlError	          error;
+#if defined(TQ_DISABLE_COPY)
+    TQSqlDriver( const TQSqlDriver & );
+    TQSqlDriver &operator=( const TQSqlDriver & );
+#endif
+};
+
+#endif	// TQT_NO_SQL
+#endif