def extract_prefixed_table_columns(
        cls,
        item: dict,
        row: ResultProxy,
        table_prefix: str,
        excludable: ExcludableItems,
    ) -> Dict:
        """
        Extracts own fields from raw sql result, using a given prefix.
        Prefix changes depending on the table's position in a join.

        If the table is a main table, there is no prefix.
        All joined tables have prefixes to allow duplicate column names,
        as well as duplicated joins to the same table from multiple different tables.

        Extracted fields populates the related dict later used to construct a Model.

        Used in Model.from_row and PrefetchQuery._populate_rows methods.

        :param excludable: structure of fields to include and exclude
        :type excludable: ExcludableItems
        :param item: dictionary of already populated nested models, otherwise empty dict
        :type item: Dict
        :param row: raw result row from the database
        :type row: sqlalchemy.engine.result.ResultProxy
        :param table_prefix: prefix of the table from AliasManager
        each pair of tables have own prefix (two of them depending on direction) -
        used in joins to allow multiple joins to the same table.
        :type table_prefix: str
        :return: dictionary with keys corresponding to model fields names
        and values are database values
        :rtype: Dict
        """
        selected_columns = cls.own_table_columns(
            model=cls, excludable=excludable, alias=table_prefix, use_alias=False
        )

        column_prefix = table_prefix + "_" if table_prefix else ""
        for column in cls.ormar_config.table.columns:
            alias = cls.get_column_name_from_alias(column.name)
            if alias not in item and alias in selected_columns:
                prefixed_name = f"{column_prefix}{column.name}"
                item[alias] = row[prefixed_name]

        return item

        Extracts own fields from raw sql result, using a given prefix.
        Prefix changes depending on the table's position in a join.

        If the table is a main table, there is no prefix.
        All joined tables have prefixes to allow duplicate column names,
        as well as duplicated joins to the same table from multiple different tables.

        Extracted fields populates the related dict later used to construct a Model.

        Used in Model.from_row and PrefetchQuery._populate_rows methods.

        :param excludable: structure of fields to include and exclude
        :type excludable: ExcludableItems
        :param item: dictionary of already populated nested models, otherwise empty dict
        :type item: Dict
        :param row: raw result row from the database
        :type row: sqlalchemy.engine.result.ResultProxy
        :param table_prefix: prefix of the table from AliasManager
        each pair of tables have own prefix (two of them depending on direction) -
        used in joins to allow multiple joins to the same table.
        :type table_prefix: str
        :return: dictionary with keys corresponding to model fields names
        and values are database values
        :rtype: Dict
        
ormar/models/model_row.py