28 lines
1.0 KiB
Python
28 lines
1.0 KiB
Python
# Generated by Django 3.2.8 on 2022-01-12 20:30
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from django.db import migrations, models
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import django.db.models.deletion
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class Migration(migrations.Migration):
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dependencies = [
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('objective', '0011_auto_20220109_1016'),
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]
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operations = [
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migrations.CreateModel(
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name='PrerequisiteClosure',
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fields=[
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('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('level', models.PositiveIntegerField()),
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('path', models.PositiveIntegerField()),
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('ancestor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='descendants', to='objective.educative')),
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('descendant', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='ancestor', to='objective.educative')),
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],
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options={
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'unique_together': {('descendant', 'ancestor', 'level', 'path')},
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},
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),
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]
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