presto-iceberg/src/main/java/io/prestosql/plugin/iceberg/IcebergMetadata.java/IcebergMetadata/beginDelete
class IcebergMetadata:    @Override
    public ConnectorTableHandle beginDelete(ConnectorSession session, ConnectorTableHandle tableHandle)
    {
        throw new PrestoException(NOT_SUPPORTED, "This connector only supports delete where one or more partitions are deleted entirely");
    }