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133 lines
4.1 KiB
133 lines
4.1 KiB
/****************************************************************************
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**
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** Definition of PostgreSQL driver classes
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**
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** Created : 001103
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the sql module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QSQL_PSQL_H
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#define QSQL_PSQL_H
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#include <qsqlresult.h>
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#include <qsqlfield.h>
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#include <qsqldriver.h>
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#include <libpq-fe.h>
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#ifdef QT_PLUGIN
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#define Q_EXPORT_SQLDRIVER_PSQL
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#else
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#define Q_EXPORT_SQLDRIVER_PSQL Q_EXPORT
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#endif
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class QPSQLPrivate;
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class QPSQLDriver;
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class QSqlRecordInfo;
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class QPSQLResult : public QSqlResult
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{
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friend class QPSQLDriver;
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public:
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QPSQLResult( const QPSQLDriver* db, const QPSQLPrivate* p );
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~QPSQLResult();
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PGresult* result();
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protected:
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void cleanup();
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bool fetch( int i );
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bool fetchFirst();
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bool fetchLast();
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QVariant data( int i );
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bool isNull( int field );
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bool reset ( const QString& query );
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int size();
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int numRowsAffected();
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private:
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int currentSize;
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QPSQLPrivate* d;
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};
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class Q_EXPORT_SQLDRIVER_PSQL QPSQLDriver : public QSqlDriver
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{
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public:
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enum Protocol {
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Version6 = 6,
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Version7 = 7,
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Version71 = 8,
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Version73 = 9
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};
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QPSQLDriver( QObject * parent=0, const char * name=0 );
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QPSQLDriver( PGconn * conn, QObject * parent=0, const char * name=0 );
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~QPSQLDriver();
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bool hasFeature( DriverFeature f ) const;
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bool open( const QString & db,
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const QString & user = QString::null,
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const QString & password = QString::null,
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const QString & host = QString::null,
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int port = -1 );
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void close();
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bool ping();
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QSqlQuery createQuery() const;
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QStringList tables( const QString& user ) const;
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QSqlIndex primaryIndex( const QString& tablename ) const;
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QSqlRecord record( const QString& tablename ) const;
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QSqlRecord record( const QSqlQuery& query ) const;
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QSqlRecordInfo recordInfo( const QString& tablename ) const;
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QSqlRecordInfo recordInfo( const QSqlQuery& query ) const;
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Protocol protocol() const { return pro; }
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PGconn* connection();
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QString formatValue( const QSqlField* field,
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bool trimStrings ) const;
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// ### remove me for 4.0
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bool open( const QString& db,
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const QString& user,
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const QString& password,
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const QString& host,
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int port,
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const QString& connOpts );
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protected:
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bool beginTransaction();
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bool commitTransaction();
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bool rollbackTransaction();
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private:
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void init();
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Protocol pro;
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QPSQLPrivate* d;
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};
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#endif
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