core/maxframe/dataframe/core.py [637:652]:
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    def refresh_params(self):
        # refresh params when chunks updated
        refresh_tileable_shape(self)
        refresh_index_value(self)
        if self._dtype is None:
            self._dtype = self.chunks[0].dtype
        if self._name is None:
            self._name = self.chunks[0].name

    def refresh_from_table_meta(self, table_meta: DataFrameTableMeta) -> None:
        pass

    def _to_str(self, representation=False):
        if is_build_mode() or len(self._executed_sessions) == 0:
            # in build mode, or not executed, just return representation
            if representation:
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core/maxframe/dataframe/core.py [969:984]:
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    def refresh_params(self):
        # refresh params when chunks updated
        refresh_tileable_shape(self)
        refresh_index_value(self)
        if self._dtype is None:
            self._dtype = self.chunks[0].dtype
        if self._name is None:
            self._name = self.chunks[0].name

    def refresh_from_table_meta(self, table_meta: DataFrameTableMeta) -> None:
        pass

    def _to_str(self, representation=False):
        if is_build_mode() or len(self._executed_sessions) == 0:
            # in build mode, or not executed, just return representation
            if representation:
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