presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/AccumuloMetadata.java/AccumuloMetadata/rollbackInsert
class AccumuloMetadata:    private static void rollbackInsert(ConnectorInsertTableHandle insertHandle)
    {
        // Rollbacks for inserts are off the table when it comes to data in Accumulo.
        // When a batch of Mutations fails to be inserted, the general strategy
        // is to run the insert operation again until it is successful
        // Any mutations that were successfully written will be overwritten
        // with the same values, so that isn't a problem.
        AccumuloTableHandle handle = (AccumuloTableHandle) insertHandle;
        throw new PrestoException(NOT_SUPPORTED, format("Unable to rollback insert for table %s.%s. Some rows may have been written. Please run your insert again.", handle.getSchema(), handle.getTable()));
    }