static <T> T convertQueryException(T result, Throwable e,
								   AbstractProducedQuery<?> query) {
	if ( e instanceof QueryExecutionRequestException) {
		throw new IllegalStateException( e );
	}
	if ( e instanceof TypeMismatchException) {
		throw new IllegalStateException( e );
	}
	if ( e instanceof HibernateException) {
		throw query.getProducer().getExceptionConverter()
				.convert( (HibernateException) e, query.getLockOptions() );
	}
	return CompletionStages.returnOrRethrow( e, result );
}
 

private void errorIfSelect() throws HibernateException {
	if ( !getSqlAST().needsExecutor() ) {
		throw new QueryExecutionRequestException( "Not supported for select queries", getQueryString() );
	}
}
 

private void errorIfDML() throws HibernateException {
	if ( sqlAst.needsExecutor() ) {
		throw new QueryExecutionRequestException( "Not supported for DML operations", hql );
	}
}
 

private void errorIfSelect() throws HibernateException {
	if ( !sqlAst.needsExecutor() ) {
		throw new QueryExecutionRequestException( "Not supported for select queries", hql );
	}
}