# 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')},
            },
        ),
    ]