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tqt3/src/sql/qsqlextension_p.h

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/****************************************************************************
**
** Definition of the TQSqlExtension class
**
** Created : 2002-06-03
**
** 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 TQSQLEXTENSION_P_H
#define TQSQLEXTENSION_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the TQt API. It exists for the convenience
// of other TQt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
//
#ifndef QT_H
#include "ntqmap.h"
#include "ntqvaluevector.h"
#include "ntqstring.h"
#include "ntqvariant.h"
#include "ntqsql.h"
#endif // QT_H
#ifndef QT_NO_SQL
#if !defined( TQT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
#define TQM_EXPORT_SQL
#define TQM_TEMPLATE_EXTERN_SQL
#else
#define TQM_EXPORT_SQL Q_EXPORT
#define TQM_TEMPLATE_EXTERN_SQL Q_TEMPLATE_EXTERN
#endif
struct Param {
Param( const TQVariant& v = TQVariant(), TQSql::ParameterType t = TQSql::In ): value( v ), typ( t ) {}
TQVariant value;
TQSql::ParameterType typ;
Q_DUMMY_COMPARISON_OPERATOR(Param)
};
struct Holder {
Holder( const TQString& hldr = TQString::null, int pos = -1 ): holderName( hldr ), holderPos( pos ) {}
bool operator==( const Holder& h ) const { return h.holderPos == holderPos && h.holderName == holderName; }
bool operator!=( const Holder& h ) const { return h.holderPos != holderPos || h.holderName != holderName; }
TQString holderName;
int holderPos;
};
#define Q_DEFINED_QSQLEXTENSION
#include "ntqwinexport.h"
class TQM_EXPORT_SQL TQSqlExtension {
public:
TQSqlExtension();
virtual ~TQSqlExtension();
virtual bool prepare( const TQString& query );
virtual bool exec();
virtual void bindValue( const TQString& holder, const TQVariant& value, TQSql::ParameterType = TQSql::In );
virtual void bindValue( int pos, const TQVariant& value, TQSql::ParameterType = TQSql::In );
virtual void addBindValue( const TQVariant& value, TQSql::ParameterType = TQSql::In );
virtual TQVariant parameterValue( const TQString& holder );
virtual TQVariant parameterValue( int pos );
TQVariant boundValue( const TQString& holder ) const;
TQVariant boundValue( int pos ) const;
TQMap<TQString, TQVariant> boundValues() const;
void clear();
void clearValues();
void clearIndex();
void resetBindCount();
enum BindMethod { BindByPosition, BindByName };
BindMethod bindMethod(); // ### 4.0: make this const
BindMethod bindm;
int bindCount;
TQMap<int, TQString> index;
typedef TQMap<TQString, Param> ValueMap;
ValueMap values;
// convenience container for TQSqlQuery
// to map holders <-> positions
typedef TQValueVector<Holder> HolderVector;
HolderVector holders;
};
class TQM_EXPORT_SQL TQSqlDriverExtension
{
public:
TQSqlDriverExtension();
virtual ~TQSqlDriverExtension();
virtual bool isOpen() const = 0;
};
class TQM_EXPORT_SQL TQSqlOpenExtension
{
public:
TQSqlOpenExtension();
virtual ~TQSqlOpenExtension();
virtual bool open( const TQString& db,
const TQString& user,
const TQString& password,
const TQString& host,
int port,
const TQString& connOpts ) = 0;
};
#endif
#endif