netbox/netbox/extras/migrations/0122_charfield_null_choices.py

27 lines
811 B
Python

from django.db import migrations, models
def set_null_values(apps, schema_editor):
"""
Replace empty strings with null values.
"""
CustomFieldChoiceSet = apps.get_model('extras', 'CustomFieldChoiceSet')
db_alias = schema_editor.connection.alias
CustomFieldChoiceSet.objects.using(db_alias).filter(base_choices='').update(base_choices=None)
class Migration(migrations.Migration):
dependencies = [
('extras', '0121_customfield_related_object_filter'),
]
operations = [
migrations.AlterField(
model_name='customfieldchoiceset',
name='base_choices',
field=models.CharField(blank=True, max_length=50, null=True),
),
migrations.RunPython(code=set_null_values, reverse_code=migrations.RunPython.noop),
]