code: def _tile(cls, op: "DataFrameReadParquet"):
      if op.is_partitioned:
          tiled = cls._tile_partitioned(op)
      else:
          tiled = cls._tile_no_partitioned(op)
      if op.merge_small_files:
          tiled = [
              merge_small_files(
                  tiled[0], **(op.merge_small_file_options or dict())
              )
          ]
      return tiled
  
imports: import os
  from typing import Dict
  from urllib.parse import urlparse
  import numpy
  import pandas
  from ...None import opcodes
  from ...config import options
  from ...lib.filesystem import file_size, get_fs, glob, open_file, FileSystem
  from ...serialization.serializables import AnyField, BoolField, DictField, ListField, StringField, Int32Field, Int64Field
  from ...utils import is_object_dtype, lazy_import
  from ..arrays import ArrowStringDtype
  from ..operands import OutputType
  from ..utils import parse_index, to_arrow_dtypes, contain_arrow_dtype
  from .core import IncrementalIndexDatasource, ColumnPruneSupportedDataSourceMixin, IncrementalIndexDataSourceMixin, merge_small_files
label_desc: Use image node_id 6 for calling the DataFrameReadParquet obj's underlying member method code with example usage: obj._tile(cls, op) and returns: tiled