#include <QtSql/qsqlquerymodel.h>
#ifndef QSQLQUERYMODEL_H
class QSqlQueryModel: public QAbstractTableModel{
   /* Some contents are skipped to improve readability */
   public: void setQuery(class QString const & query, class QSqlDatabase const & db = QSqlDatabase::QSqlDatabase());
   /* ... */
};
#endif // QSQLQUERYMODEL_H