odps/mars_extension/legacy/dataframe/datasource.py [199:228]:
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    def __call__(self, shape, chunk_bytes=None, chunk_size=None):
        import numpy as np
        import pandas as pd

        if not self.index_columns:
            if np.isnan(shape[0]):
                index_value = parse_index(pd.RangeIndex(0))
            else:
                index_value = parse_index(pd.RangeIndex(shape[0]))
        elif len(self.index_columns) == 1:
            index_value = parse_index(pd.Index([]).astype(self.index_dtypes[0]))
        else:
            idx = pd.MultiIndex.from_frame(
                pd.DataFrame([], columns=self.index_columns).astype(self.index_dtypes)
            )
            index_value = parse_index(idx)

        columns_value = parse_index(self.dtypes.index, store_data=True)
        return self.new_dataframe(
            None,
            shape,
            dtypes=self.dtypes,
            index_value=index_value,
            columns_value=columns_value,
            chunk_bytes=chunk_bytes,
            chunk_size=chunk_size,
        )

    @classmethod
    def _tile_cupid(cls, op):
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odps/mars_extension/oscar/dataframe/datasource.py [128:157]:
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    def __call__(self, shape, chunk_bytes=None, chunk_size=None):
        import numpy as np
        import pandas as pd

        if not self.index_columns:
            if np.isnan(shape[0]):
                index_value = parse_index(pd.RangeIndex(0))
            else:
                index_value = parse_index(pd.RangeIndex(shape[0]))
        elif len(self.index_columns) == 1:
            index_value = parse_index(pd.Index([]).astype(self.index_dtypes[0]))
        else:
            idx = pd.MultiIndex.from_frame(
                pd.DataFrame([], columns=self.index_columns).astype(self.index_dtypes)
            )
            index_value = parse_index(idx)

        columns_value = parse_index(self.dtypes.index, store_data=True)
        return self.new_dataframe(
            None,
            shape,
            dtypes=self.dtypes,
            index_value=index_value,
            columns_value=columns_value,
            chunk_bytes=chunk_bytes,
            chunk_size=chunk_size,
        )

    @classmethod
    def _tile_cupid(cls, op):
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