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163 lines
4.8 KiB
163 lines
4.8 KiB
13 years ago
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/****************************************************************************
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**
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** Definition of ODBC 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_ODBC_H
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#define QSQL_ODBC_H
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#include <qmap.h>
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#include <qstring.h>
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#include <qsqldriver.h>
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#include <qsqlfield.h>
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#include <qsqlresult.h>
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#include <qsqlindex.h>
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#if defined (Q_OS_WIN32)
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#include <qt_windows.h>
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#endif
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#if defined (Q_OS_MAC)
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// assume we use iodbc on MAC
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// comment next line out if you use a
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// unicode compatible manager
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# define Q_ODBC_VERSION_2
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#endif
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#ifdef QT_PLUGIN
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#define Q_EXPORT_SQLDRIVER_ODBC
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#else
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#define Q_EXPORT_SQLDRIVER_ODBC Q_EXPORT
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#endif
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#ifdef Q_OS_UNIX
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#define HAVE_LONG_LONG 1 // force UnixODBC NOT to fall back to a struct for BIGINTs
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#endif
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#if defined(Q_CC_BOR)
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// workaround for Borland to make sure that SQLBIGINT is defined
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# define _MSC_VER 900
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#endif
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#include <sql.h>
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#if defined(Q_CC_BOR)
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# undef _MSC_VER
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#endif
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#include <sqlext.h>
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#include "debian_qsql_odbc.h"
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class QODBCPrivate;
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class QODBCDriver;
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class QSqlRecordInfo;
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class QODBCResult : public QSqlResult
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{
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friend class QODBCDriver;
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public:
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QODBCResult( const QODBCDriver * db, QODBCPrivate* p );
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~QODBCResult();
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SQLHANDLE statement();
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bool prepare( const QString& query );
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bool exec();
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protected:
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bool fetchNext();
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bool fetchFirst();
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bool fetchLast();
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bool fetchPrior();
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bool fetch(int i);
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bool reset ( const QString& query );
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QVariant data( int field );
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bool isNull( int field );
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int size();
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int numRowsAffected();
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private:
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QODBCPrivate* d;
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typedef QMap<int,QVariant> FieldCache;
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FieldCache fieldCache;
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typedef QMap<int,bool> NullCache;
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NullCache nullCache;
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};
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class Q_EXPORT_SQLDRIVER_ODBC QODBCDriver : public QSqlDriver
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{
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public:
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QODBCDriver( QObject * parent=0, const char * name=0 );
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QODBCDriver( SQLHANDLE env, SQLHANDLE con, QObject * parent=0, const char * name=0 );
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~QODBCDriver();
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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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QSqlQuery createQuery() const;
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QStringList tables( const QString& user ) 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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QSqlIndex primaryIndex( const QString& tablename ) const;
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SQLHANDLE environment();
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SQLHANDLE 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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bool endTrans();
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void cleanup();
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QODBCPrivate* d;
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};
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#endif
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