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****************************************************************************/

#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

#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_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;

    virtual void setForwardOnly(bool forward);

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 Q_SLOTS:

    bool isIdentifierEscapedImplementation(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