presto-spi/src/main/java/io/prestosql/spi/connector/ConnectorRecordSetProvider.java/ConnectorRecordSetProvider/getRecordSet
class ConnectorRecordSetProvider:    @Deprecated
    default RecordSet getRecordSet(
            ConnectorTransactionHandle transactionHandle,
            ConnectorSession session,
            ConnectorSplit split,
            List<? extends ColumnHandle> columns)
    {
        throw new UnsupportedOperationException("getRecordSet() must be implemented");
    }