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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSQL_ODBC_H
#define QSQL_ODBC_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtSql/qsqldriver.h>

#if defined (Q_OS_WIN32)
#include <QtCore/qt_windows.h>
#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

#include <sqlext.h>

QT_BEGIN_NAMESPACE

class QODBCDriverPrivate;

class Q_EXPORT_SQLDRIVER_ODBC QODBCDriver : public QSqlDriver
{
    Q_DECLARE_PRIVATE(QODBCDriver)
    Q_OBJECT
    friend class QODBCResultPrivate;

public:
    explicit QODBCDriver(QObject *parent=0);
    QODBCDriver(SQLHANDLE env, SQLHANDLE con, QObject * parent=0);
    virtual ~QODBCDriver();
    bool hasFeature(DriverFeature f) const override;
    void close() override;
    QSqlResult *createResult() const override;
    QStringList tables(QSql::TableType) const override;
    QSqlRecord record(const QString &tablename) const override;
    QSqlIndex primaryIndex(const QString &tablename) const override;
    QVariant handle() const override;
    QString formatValue(const QSqlField &field,
                        bool trimStrings) const override;
    bool open(const QString &db,
              const QString &user,
              const QString &password,
              const QString &host,
              int port,
              const QString &connOpts) override;

    QString escapeIdentifier(const QString &identifier, IdentifierType type) const override;

    bool isIdentifierEscaped(const QString &identifier, IdentifierType type) const override;

protected:
    bool beginTransaction() override;
    bool commitTransaction() override;
    bool rollbackTransaction() override;

private:
    bool endTrans();
    void cleanup();
};

QT_END_NAMESPACE

#endif // QSQL_ODBC_H