bool OkCommit(SqlSession& session, const char *msg) {
	if(ErrorRollback(session, msg))
		return false;
	session.Commit();
	return true;
}

bool OkCommit(SqlSession& session, const char *msg) {
	if(ErrorRollback(session, msg))
		return false;
	do{
		session.Commit();
		if(!session.WasError())
		{
			session.ClearError();
			return true;
		}
	}while(IDRETRY==SqlError(t_("Unable to commit changes to database."), session, true));		
	return false;
}