#include <QtSql/qsqlerror.h> #ifndef QSQLERROR_H class QSqlError{ /* Some contents are skipped to improve readability */ public: enum ErrorType{ NoError = 0, ConnectionError = 1, StatementError = 2, TransactionError = 3, UnknownError = 4, }; /* ... */ }; #endif // QSQLERROR_H