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25 lines
585 B
Python
25 lines
585 B
Python
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from django.db import migrations
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from django.db.models import Subquery, OuterRef
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def populate_device_location(apps, schema_editor):
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Device = apps.get_model('dcim', 'Device')
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Device.objects.filter(rack__isnull=False).update(
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location_id=Subquery(
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Device.objects.filter(pk=OuterRef('pk')).values('rack__location_id')[:1]
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)
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)
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class Migration(migrations.Migration):
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dependencies = [
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('dcim', '0127_device_location'),
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]
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operations = [
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migrations.RunPython(
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code=populate_device_location
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),
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]
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