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31 lines
1.1 KiB
31 lines
1.1 KiB
# Generated by Django 2.2.4 on 2019-08-13 19:36
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from django.db import migrations, models
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import django.db.models.deletion
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def vyrob_treenodum_ctypes(apps, schema_editor):
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# Kód zkopírovaný z dokumentace: https://django-polymorphic.readthedocs.io/en/stable/migrating.html
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# NOTE: Tahle migrace je špatně, 0087 ji opravuje. Možno squashnout pryč.
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TreeNode = apps.get_model('seminar', 'TreeNode')
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ContentType = apps.get_model('contenttypes', 'ContentType')
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new_ct = ContentType.objects.get_for_model(TreeNode)
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TreeNode.objects.filter(polymorphic_ctype__isnull=True).update(polymorphic_ctype=new_ct)
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class Migration(migrations.Migration):
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dependencies = [
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('contenttypes', '0002_remove_content_type_name'),
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('seminar', '0057_reseni_to_reseni_hodnoceni'),
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]
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operations = [
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migrations.AddField(
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model_name='treenode',
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name='polymorphic_ctype',
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field=models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='polymorphic_seminar.treenode_set+', to='contenttypes.ContentType'),
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),
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migrations.RunPython(vyrob_treenodum_ctypes, migrations.RunPython.noop, elidable=True),
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]
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