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/****************************************************************************
**
** Definition of PostgreSQL driver classes
**
** Created : 001103
**
** Copyright (C) 1992-2008 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 [email protected].
**
** 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 TQSQL_PSQL_H
#define TQSQL_PSQL_H
#include <qsqlresult.h>
#include <qsqlfield.h>
#include <qsqldriver.h>
#include <libpq-fe.h>
#ifdef QT_PLUGIN
#define Q_EXPORT_SQLDRIVER_PSQL
#else
#define Q_EXPORT_SQLDRIVER_PSQL Q_EXPORT
#endif
class TQPSQLPrivate;
class TQPSQLDriver;
class TQSqlRecordInfo;
class TQPSQLResult : public TQSqlResult
{
friend class TQPSQLDriver;
public:
TQPSQLResult( const TQPSQLDriver* db, const TQPSQLPrivate* p );
~TQPSQLResult();
PGresult* result();
protected:
void cleanup();
bool fetch( int i );
bool fetchFirst();
bool fetchLast();
TQVariant data( int i );
bool isNull( int field );
bool reset ( const TQString& query );
int size();
int numRowsAffected();
private:
int currentSize;
TQPSQLPrivate* d;
};
class Q_EXPORT_SQLDRIVER_PSQL TQPSQLDriver : public TQSqlDriver
{
public:
enum Protocol {
Version6 = 6,
Version7 = 7,
Version71 = 8,
Version73 = 9
};
TQPSQLDriver( TQObject * parent=0, const char * name=0 );
TQPSQLDriver( PGconn * conn, TQObject * parent=0, const char * name=0 );
~TQPSQLDriver();
bool hasFeature( DriverFeature f ) const;
bool open( const TQString & db,
const TQString & user = TQString::null,
const TQString & password = TQString::null,
const TQString & host = TQString::null,
int port = -1 );
void close();
TQSqlQuery createQuery() const;
TQStringList tables( const TQString& user ) const;
TQSqlIndex primaryIndex( const TQString& tablename ) const;
TQSqlRecord record( const TQString& tablename ) const;
TQSqlRecord record( const TQSqlQuery& query ) const;
TQSqlRecordInfo recordInfo( const TQString& tablename ) const;
TQSqlRecordInfo recordInfo( const TQSqlQuery& query ) const;
Protocol protocol() const { return pro; }
PGconn* connection();
TQString formatValue( const TQSqlField* field,
bool trimStrings ) const;
// ### remove me for 4.0
bool open( const TQString& db,
const TQString& user,
const TQString& password,
const TQString& host,
int port,
const TQString& connOpts );
protected:
bool beginTransaction();
bool commitTransaction();
bool rollbackTransaction();
private:
void init();
Protocol pro;
TQPSQLPrivate* d;
};
#endif
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