Как отфильтровать RawQuerySet в Django? - PullRequest
0 голосов
/ 01 ноября 2019

У меня есть запрос, который, скорее всего, не будет выполнен через Djangor ORM, поэтому я делаю необработанный SQL-запрос. У меня есть поиск по периоду времени и еще несколько параметров .. Как я могу сделать запрос к RawQuerySet, чтобы отфильтровать его?
Спасибо ....

Как это:

     paymentsss = Transaction.objects.all().select_related('currency',
 'payment_source__payment_type', 'deal__service',
            'deal__service__contractor').filter(
payment_date__range=[date1, date2],).order_by('-id')

Я пытался использовать filter() и extra(), но это не работает.

Мой запрос:

SELECT "processing"."transaction"."id",
       "processing"."transaction"."currency_id",
       "processing"."transaction"."deal_id",
       "processing"."transaction"."payment_source_id",
       "processing"."transaction"."payment_date",
       "processing"."transaction"."amount",
       "processing"."transaction"."status",
       "processing"."transaction"."context",
       "processing"."currency"."id",
       "processing"."currency"."iso_name",
       "processing"."currency"."minor_unit",
       "processing"."deal"."id",
       "processing"."deal"."service_id",
       "processing"."deal"."currency_id",
       "processing"."service"."id",
       "processing"."service"."contractor_id",
       "processing"."service"."name",
       "processing"."service"."description",
       "processing"."contractor"."id",
       "processing"."contractor"."name",
       "ps"."id",
       "ps"."payment_type_id",
       "ps"."source_details",
       "processing"."payment_type"."id",
       "processing"."payment_type"."name",
       "psc"."source_details"
FROM "processing"."transaction"
LEFT OUTER JOIN "processing"."currency" ON ("processing"."transaction"."currency_id" = "processing"."currency"."id")
LEFT OUTER JOIN "processing"."deal" ON ("processing"."transaction"."deal_id" = "processing"."deal"."id")
LEFT OUTER JOIN "processing"."service" ON ("processing"."deal"."service_id" = "processing"."service"."id")
LEFT OUTER JOIN "processing"."contractor" ON ("processing"."service"."contractor_id" = "processing"."contractor"."id")
LEFT OUTER JOIN "processing"."payer_payment_source" AS "ps" ON ("processing"."transaction"."payment_source_id" = "ps"."id")
LEFT OUTER JOIN "processing"."payment_type" ON ("ps"."payment_type_id" = "processing"."payment_type"."id")
LEFT OUTER JOIN "processing"."payer_payment_source" AS "psc" ON ("ps"."payer_id" = "psc"."payer_id") AND "psc"."payment_type_id" = 'bank_card_details'

UPD: IДобавить models.py

models.py

class PayerPaymentSource(models.Model):
    id = models.BigIntegerField(blank=True, null=False, primary_key=True)
    payer_id = models.BigIntegerField(blank=True, null=True)
    payment_type = models.ForeignKey(PaymentType, max_length=64, blank=True, null=True, on_delete=models.CASCADE)
    source_details = models.TextField(blank=True, null=True)  # This field type is a guess.

    class Meta:
        managed = False
        db_table = '"processing"."payer_payment_source"'


class Transaction(models.Model):
    id = models.BigIntegerField(blank=True, null=False, primary_key=True)
    currency = models.ForeignKey(Currency, null=True, on_delete=models.CASCADE)
    deal = models.ForeignKey(Deal, null=True, on_delete=models.CASCADE)
    payment_source = models.ForeignKey(PayerPaymentSource, null=True, on_delete=models.CASCADE)
    payment_date = models.DateTimeField(blank=True, null=True)
    amount = models.IntegerField(blank=True, null=True)
    status = models.CharField(max_length=255, blank=True, null=True)
    context = models.TextField(blank=True, null=True)

    class Meta:
        managed = False
        db_table = '"processing"."transaction"'

class Payer(models.Model):
    id = models.BigIntegerField(blank=True, null=False, primary_key=True)
    name = models.CharField(max_length=128, blank=True, null=True)
    phone = models.CharField(max_length=32, blank=True, null=True)
    email = models.CharField(max_length=128, blank=True, null=True)

    class Meta:
        managed = False
        db_table = '"processing"."payer"'

class PaymentType(models.Model):
    id = models.CharField(max_length=75, blank=True, null=False, primary_key=True)
    name = models.CharField(max_length=128, blank=True, null=True)

    class Meta:
        managed = False
        db_table = '"processing"."payment_type"'
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