gault-millau/apps/establishment/migrations/0030_auto_20190923_1505.py
2019-09-24 10:38:04 +03:00

40 lines
1.1 KiB
Python

# Generated by Django 2.2.4 on 2019-09-23 15:05
from django.core.validators import EMPTY_VALUES
from django.db import migrations, models
from establishment.models import Establishment
def migrate_data_forward(apps, schema_editor):
for instance in Establishment.objects.all():
if instance.slug in EMPTY_VALUES:
instance.slug = None
instance.save(update_fields=['slug'])
def migrate_data_backward(apps, schema_editor):
pass
class Migration(migrations.Migration):
dependencies = [
('establishment', '0029_establishment_slug'),
]
operations = [
migrations.AlterField(
model_name='establishment',
name='slug',
field=models.SlugField(null=True, verbose_name='Establishment slug'),
),
migrations.RunPython(
migrate_data_forward,
migrate_data_backward,
),
migrations.AlterField(
model_name='establishment',
name='slug',
field=models.SlugField(unique=True, null=True, verbose_name='Establishment slug'),
),
]