Browse Source

TreeNode: first_child je 1-2-1-Field, ne FK.

middleware_test
Pavel 'LEdoian' Turinsky 5 years ago
parent
commit
86f2e494c2
  1. 19
      seminar/migrations/0083_auto_20200506_1952.py
  2. 2
      seminar/models.py

19
seminar/migrations/0083_auto_20200506_1952.py

@ -0,0 +1,19 @@
# Generated by Django 2.2.12 on 2020-05-06 17:52
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
('seminar', '0082_auto_20200506_1951'),
]
operations = [
migrations.AlterField(
model_name='treenode',
name='first_child',
field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='father_of_first', to='seminar.TreeNode', verbose_name='první potomek'),
),
]

2
seminar/models.py

@ -1246,7 +1246,7 @@ class TreeNode(PolymorphicModel):
blank = False,
on_delete = models.SET_NULL, # Vrcholy s null kořenem jsou sirotci bez ročníku
verbose_name="kořen stromu")
first_child = models.ForeignKey('TreeNode',
first_child = models.OneToOneField('TreeNode',
related_name='father_of_first',
null = True,
blank = True,

Loading…
Cancel
Save