presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/RaptorPageSink.java/RaptorPageSink/abort
class RaptorPageSink:    @Override
    public void abort()
    {
        RuntimeException error = new RuntimeException("Exception during rollback");
        for (PageBuffer pageBuffer : pageWriter.getPageBuffers()) {
            try {
                pageBuffer.getStoragePageSink().rollback();
            }
            catch (Throwable t) {
                // Self-suppression not permitted
                if (error != t) {
                    error.addSuppressed(t);
                }
            }
        }
        if (error.getSuppressed().length > 0) {
            throw error;
        }
    }