How add raw query in a Model

this is query:

```

sub_query = PaymentDetails.objects.filter(order=OuterRef('pk')).order_by('-updated_at')[:1]
payment_summary = """select jsonb_build_object(
'total_paid_amount', coalesce(sum(amount), 0),
'total_due_amount', CASE WHEN (order_order.total_gross - coalesce(sum(amount), 0)) > 0.02 then (order_order.total_gross - coalesce(sum(amount), 0)) else 0 end,
'is_full_paid', coalesce(sum(amount), 0) > 0 and (order_order.total_gross - coalesce(sum(amount), 0)) <= 0.02 and order_order.is_payment_completed,
'total_customer_payable_amount', CASE WHEN (coalesce(sum(amount), 0) - order_order.total_gross) > 0.02 then coalesce(sum(amount), 0) - order_order.total_gross else 0 end
)
from payment_paymentdetails
where payment_paymentdetails.order_id = order_order.id
and payment_paymentdetails.status = %s"""

orders = Order.objects.prefetch_related(
'lines',
'lines__qc',
'lines__variant__product__vendor_user',
'lines__variant__product',
'lines__variant',
'lines__variant__product__vendor_user__vendor_details',
'lines__tickets', 'lines__lines', 'lines__lines__pickup_req'
).select_related('shipping_address').annotate(
payment_updated_at=Subquery(sub_query.values('transaction_date_time'))) \
.annotate(payment_summary=RawSQL(payment_summary, (PaymentStatus.CONFIRMED,))) \
.annotate(payment_method=Subquery(sub_query.values('method'))).order_by('-payment_updated_at').distinct()

if 'status' in request.GET or 'id' in request.GET:
status_list = request.GET.getlist('status')
order_list = request.GET.getlist('id')
if len(status_list) > 0 or len(order_list) > 0:
orders = orders.filter(
Q(status__in=status_list)
| Q(id__in=order_list),
Q(payment_details__status__in=[PaymentStatus.PAY_LATER, PaymentStatus.CONFIRMED])
)
else:
orders = orders.filter(
Q(status=OrderStatus.UNFULFILLED),
Q(payment_details__status__in=[PaymentStatus.PAY_LATER, PaymentStatus.CONFIRMED])
)

```

Now add I raw query with Order model like this 

```

AND
(lower("account_user"."email") similar to '%(sara|aa)%' OR lower("account_vendordetails"."company_name") similar to '%(sara|aa)%' OR
lower(order_orderline.data->>'host') similar to '%(sara|aa)%'
))

```

when I filter with vendor name, then added this query like this

```

if vendor_name:
vendor_name = "".join(vendor_name).replace(', ', ',').replace(',', '|')
print("vendor name============>", vendor_name)
vendor_sub_query = f""" and (lower("account_user"."email") similar to '%({vendor_name})%' OR lower("account_vendordetails"."company_name") similar to '%({vendor_name})%' OR
lower(order_orderline.data->>'host') similar to '%({vendor_name})%'
)"""
orders = orders.raw(vendor_sub_query)

```

but I found this error "'RawQuerySet' object has no attribute 'qs'

"

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