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52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
from django.db import migrations, models
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def set_null_values(apps, schema_editor):
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"""
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Replace empty strings with null values.
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"""
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WirelessLAN = apps.get_model('wireless', 'WirelessLAN')
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WirelessLink = apps.get_model('wireless', 'WirelessLink')
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db_alias = schema_editor.connection.alias
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WirelessLAN.objects.using(db_alias).filter(auth_cipher='').update(auth_cipher=None)
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WirelessLAN.objects.using(db_alias).filter(auth_type='').update(auth_type=None)
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WirelessLink.objects.using(db_alias).filter(auth_cipher='').update(auth_cipher=None)
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WirelessLink.objects.using(db_alias).filter(auth_type='').update(auth_type=None)
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WirelessLink.objects.using(db_alias).filter(distance_unit='').update(distance_unit=None)
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class Migration(migrations.Migration):
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dependencies = [
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('wireless', '0009_wirelesslink_distance'),
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]
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operations = [
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migrations.AlterField(
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model_name='wirelesslan',
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name='auth_cipher',
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field=models.CharField(blank=True, max_length=50, null=True),
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),
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migrations.AlterField(
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model_name='wirelesslan',
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name='auth_type',
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field=models.CharField(blank=True, max_length=50, null=True),
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),
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migrations.AlterField(
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model_name='wirelesslink',
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name='auth_cipher',
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field=models.CharField(blank=True, max_length=50, null=True),
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),
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migrations.AlterField(
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model_name='wirelesslink',
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name='auth_type',
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field=models.CharField(blank=True, max_length=50, null=True),
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),
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migrations.AlterField(
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model_name='wirelesslink',
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name='distance_unit',
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field=models.CharField(blank=True, max_length=50, null=True),
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),
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migrations.RunPython(code=set_null_values, reverse_code=migrations.RunPython.noop),
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]
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