qsql_odbc.h
上传用户:detong
上传日期:2022-06-22
资源大小:20675k
文件大小:4k
- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtSql module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, 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 file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
- **
- ** If you are unsure which license is appropriate for your use, please
- ** contact the sales department at qt-sales@nokia.com.
- **
- ****************************************************************************/
- #ifndef QSQL_ODBC_H
- #define QSQL_ODBC_H
- #include <QtSql/qsqldriver.h>
- #include <QtSql/qsqlresult.h>
- #if defined (Q_OS_WIN32)
- #include <QtCore/qt_windows.h>
- #endif
- #if defined (Q_OS_MAC) && (MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_3)
- // assume we use iodbc on MACX
- // comment next line out if you use a
- // unicode compatible manager
- # define Q_ODBC_VERSION_2
- #endif
- #ifdef QT_PLUGIN
- #define Q_EXPORT_SQLDRIVER_ODBC
- #else
- #define Q_EXPORT_SQLDRIVER_ODBC Q_SQL_EXPORT
- #endif
- #ifdef Q_OS_UNIX
- #define HAVE_LONG_LONG 1 // force UnixODBC NOT to fall back to a struct for BIGINTs
- #endif
- #if defined(Q_CC_BOR)
- // workaround for Borland to make sure that SQLBIGINT is defined
- # define _MSC_VER 900
- #endif
- #include <sql.h>
- #if defined(Q_CC_BOR)
- # undef _MSC_VER
- #endif
- #ifndef Q_ODBC_VERSION_2
- #include <sqlucode.h>
- #endif
- #include <sqlext.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- class QODBCPrivate;
- class QODBCDriverPrivate;
- class QODBCDriver;
- class QSqlRecordInfo;
- class QODBCResult : public QSqlResult
- {
- public:
- QODBCResult(const QODBCDriver * db, QODBCDriverPrivate* p);
- virtual ~QODBCResult();
- bool prepare(const QString& query);
- bool exec();
- QVariant handle() const;
- protected:
- bool fetchNext();
- bool fetchFirst();
- bool fetchLast();
- bool fetchPrevious();
- bool fetch(int i);
- bool reset (const QString& query);
- QVariant data(int field);
- bool isNull(int field);
- int size();
- int numRowsAffected();
- QSqlRecord record() const;
- void virtual_hook(int id, void *data);
- bool nextResult();
- private:
- QODBCPrivate *d;
- };
- class Q_EXPORT_SQLDRIVER_ODBC QODBCDriver : public QSqlDriver
- {
- Q_OBJECT
- public:
- explicit QODBCDriver(QObject *parent=0);
- QODBCDriver(SQLHANDLE env, SQLHANDLE con, QObject * parent=0);
- virtual ~QODBCDriver();
- bool hasFeature(DriverFeature f) const;
- void close();
- QSqlResult *createResult() const;
- QStringList tables(QSql::TableType) const;
- QSqlRecord record(const QString& tablename) const;
- QSqlIndex primaryIndex(const QString& tablename) const;
- QVariant handle() const;
- QString formatValue(const QSqlField &field,
- bool trimStrings) const;
- bool open(const QString& db,
- const QString& user,
- const QString& password,
- const QString& host,
- int port,
- const QString& connOpts);
- QString escapeIdentifier(const QString &identifier, IdentifierType type) const;
- protected:
- bool beginTransaction();
- bool commitTransaction();
- bool rollbackTransaction();
- private:
- void init();
- bool endTrans();
- void cleanup();
- QODBCDriverPrivate* d;
- friend class QODBCPrivate;
- };
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QSQL_ODBC_H