def METHOD_NAME(self, table_query, vars, aux_table_query=None):
    con = duckdb.connect(database=":memory:", read_only=False)
    if aux_table_query is None:
        con.execute(self.sql(table_query), vars)
    else:
        con.execute(self.sql(table_query, aux_table_query), vars)
    return con.fetchdf()