Calculates both split adjustments and overwrites for all sids.

def get_adjustments(self,
                        zero_qtr_data,
                        requested_qtr_data,
                        last_per_qtr,
                        dates,
                        assets,
                        columns,
                        **kwargs):
        """
        Calculates both split adjustments and overwrites for all sids.
        """
        split_adjusted_cols_for_group = [
            self.name_map[col.name]
            for col in columns
            if self.name_map[col.name] in self._split_adjusted_column_names
        ]
        # Add all splits to the adjustment dict for this sid.
        split_adjusted_asof_idx = self.get_split_adjusted_asof_idx(
            dates
        )
        return super(SplitAdjustedEstimatesLoader, self).get_adjustments(
            zero_qtr_data,
            requested_qtr_data,
            last_per_qtr,
            dates,
            assets,
            columns,
            split_adjusted_cols_for_group=split_adjusted_cols_for_group,
            split_adjusted_asof_idx=split_adjusted_asof_idx
        )