Jarvis/jarvis/objective/migrations/0012_prerequisiteclosure.py

28 lines
1.0 KiB
Python

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