kexi

pqxxconnection.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2003 Adam Pigg <adam@piggz.co.uk>
00003 
00004    This program is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This program is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this program; see the file COPYING.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef PQXXCONNECTION_H
00021 #define PQXXCONNECTION_H
00022 
00023 #include <qstringlist.h>
00024 
00025 #include <kexidb/connection.h>
00026 #include "pqxxcursor.h"
00027 
00028 
00029 
00030 
00031 namespace KexiDB
00032 {
00033 
00034 class pqxxSqlConnectionInternal;
00035 
00037 class pqxxTransactionData : public TransactionData
00038 {
00039     public:
00040         pqxxTransactionData(Connection *conn, bool nontransaction);
00041         ~pqxxTransactionData();
00042         pqxx::transaction_base *data;
00043 };
00044 
00048 class pqxxSqlConnection : public Connection
00049 {
00050     Q_OBJECT
00051 
00052     public:
00053         virtual ~pqxxSqlConnection();
00054 
00055         virtual Cursor* prepareQuery( const QString& statement = QString::null, uint cursor_options = 0 );
00056         virtual Cursor* prepareQuery( QuerySchema& query, uint cursor_options = 0 );
00057         virtual PreparedStatement::Ptr prepareStatement(PreparedStatement::StatementType type, 
00058             FieldList& fields);
00059     protected:
00060 
00061         pqxxSqlConnection( Driver *driver, ConnectionData &conn_data );
00062 
00063         virtual bool drv_isDatabaseUsed() const;
00064         virtual bool drv_connect();
00065         virtual bool drv_disconnect();
00066         virtual bool drv_getDatabasesList( QStringList &list );
00067         virtual bool drv_createDatabase( const QString &dbName = QString::null );
00068         virtual bool drv_useDatabase( const QString &dbName = QString::null, bool *cancelled = 0, 
00069           MessageHandler* msgHandler = 0 );
00070         virtual bool drv_closeDatabase();
00071         virtual bool drv_dropDatabase( const QString &dbName = QString::null );
00072         virtual bool drv_executeSQL( const QString& statement );
00073         virtual Q_ULLONG drv_lastInsertRowID();
00074 
00075 //TODO: move this somewhere to low level class (MIGRATION?)
00076         virtual bool drv_getTablesList( QStringList &list );
00077 //TODO: move this somewhere to low level class (MIGRATION?)
00078         virtual bool drv_containsTable( const QString &tableName );
00079 
00080         virtual TransactionData* drv_beginTransaction();
00081         virtual bool drv_commitTransaction(TransactionData *);
00082         virtual bool drv_rollbackTransaction(TransactionData *);
00083 
00084         //Error reporting
00085         virtual int serverResult();
00086         virtual QString serverResultName();
00087         virtual void drv_clearServerResult();
00088         virtual QString serverErrorMsg();
00089         
00090         pqxxSqlConnectionInternal *d;
00091     private:
00092         QString escapeName(const QString &tn) const;
00093         //      pqxx::transaction_base* m_trans;
00095         pqxxTransactionData *m_trans;
00096 
00097         
00098 
00099     friend class pqxxSqlDriver;
00100     friend class pqxxSqlCursor;
00101     friend class pqxxTransactionData;
00102 };
00103 }
00104 #endif
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