compiler.py 文件源码

def results_iter(self):
        if self.connection.ops.oracle:
            from django.db.models.fields import DateTimeField
            fields = [DateTimeField()]
        else:
            needs_string_cast = self.connection.features.needs_datetime_string_cast

        offset = len(self.query.extra_select)
        for rows in self.execute_sql(MULTI):
            for row in rows:
                date = row[offset]
                if self.connection.ops.oracle:
                    date = self.resolve_columns(row, fields)[offset]
                elif needs_string_cast:
                    date = typecast_date(str(date))
                if isinstance(date, datetime.datetime):
                    date = date.date()
                yield date