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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [
('confreg', '0017_payconfirmedat_timestamp'),
]
operations = [
migrations.RunSQL("ALTER TABLE confreg_conferenceregistration ADD CONSTRAINT chk_payment_ids CHECK (NOT (invoice_id IS NOT NULL AND bulkpayment_id IS NOT NULL))"),
]
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