Django ORM -> SQL

-- запрос
Rate.objects.select_related(depth=1).
    FILTER(begin_date__lte = datetime.now(), end_date__gte = datetime.now()).
        FILTER(Q(source__short_name__in = ['USD']) | Q(dest__short_name__in = ['UZS']))

-- результат
SELECT
    "rates_widget_rates"."id",
    "rates_widget_rates"."source_id",
    "rates_widget_rates"."dest_id",
    "rates_widget_rates"."rate",
    "rates_widget_rates"."begin_date",
    "rates_widget_rates"."end_date",
    "rates_widget_currencies"."id",
    "rates_widget_currencies"."name",
    "rates_widget_currencies"."short_name",

    T3."id",
    T3."name",
    T3."short_name"
FROM
    "rates_widget_rates"
    INNER JOIN "rates_widget_currencies"
        ON ("rates_widget_rates"."source_id" = "rates_widget_currencies"."id")
    INNER JOIN "rates_widget_currencies" T3
        ON ("rates_widget_rates"."dest_id" = T3."id")
WHERE
    ("rates_widget_rates"."begin_date" <= 2011-03-16 00:54:41.697667
     AND "rates_widget_rates"."end_date" >= 2011-03-16 00:54:41.697685
     AND ("rates_widget_currencies"."short_name" IN (USD) OR T3."short_name" IN (UZS)))
LIMIT 21