app.memos.migrations.0001_initial 

 1# Generated by Django 5.2.2 on 2025-06-19 05:14
 2
 3import django.db.models.deletion
 4from django.conf import settings
 5from django.db import migrations, models
 6
 7
 8class Migration(migrations.Migration):
 9
10    initial = True
11
12    dependencies = [
13        ('accounts', '0010_user_current_ward'),
14        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
15    ]
16
17    operations = [
18        migrations.CreateModel(
19            name='Memo',
20            fields=[
21                ('memoId', models.CharField(max_length=36, primary_key=True, serialize=False)),
22                ('is_deleted', models.BooleanField(default=False)),
23                ('is_merged', models.BooleanField(default=False)),
24                ('hospital', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='memos', to='accounts.hospital')),
25            ],
26        ),
27        migrations.CreateModel(
28            name='MemoEvents',
29            fields=[
30                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
31                ('event_type', models.CharField(choices=[('created', 'Created'), ('updated', 'Updated'), ('deleted', 'Deleted'), ('merged', 'Merged'), ('escalated', 'Escalated'), ('approved', 'Approved'), ('rejected', 'Rejected'), ('incomplete', 'Incomplete'), ('completed', 'Completed'), ('tagged', 'Tagged'), ('attended', 'Attended')], max_length=50)),
32                ('event_timestamp', models.DateTimeField(auto_now_add=True)),
33                ('payload', models.JSONField()),
34                ('metadata', models.JSONField()),
35                ('event_by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='events', to=settings.AUTH_USER_MODEL)),
36                ('memo', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='events', to='memos.memo')),
37            ],
38        ),
39    ]
class Migration(django.db.migrations.migration.Migration): 
 9class Migration(migrations.Migration):
10
11    initial = True
12
13    dependencies = [
14        ('accounts', '0010_user_current_ward'),
15        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
16    ]
17
18    operations = [
19        migrations.CreateModel(
20            name='Memo',
21            fields=[
22                ('memoId', models.CharField(max_length=36, primary_key=True, serialize=False)),
23                ('is_deleted', models.BooleanField(default=False)),
24                ('is_merged', models.BooleanField(default=False)),
25                ('hospital', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='memos', to='accounts.hospital')),
26            ],
27        ),
28        migrations.CreateModel(
29            name='MemoEvents',
30            fields=[
31                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
32                ('event_type', models.CharField(choices=[('created', 'Created'), ('updated', 'Updated'), ('deleted', 'Deleted'), ('merged', 'Merged'), ('escalated', 'Escalated'), ('approved', 'Approved'), ('rejected', 'Rejected'), ('incomplete', 'Incomplete'), ('completed', 'Completed'), ('tagged', 'Tagged'), ('attended', 'Attended')], max_length=50)),
33                ('event_timestamp', models.DateTimeField(auto_now_add=True)),
34                ('payload', models.JSONField()),
35                ('metadata', models.JSONField()),
36                ('event_by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='events', to=settings.AUTH_USER_MODEL)),
37                ('memo', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='events', to='memos.memo')),
38            ],
39        ),
40    ]

The base class for all migrations.

Migration files will import this from django.db.migrations.Migration and subclass it as a class called Migration. It will have one or more of the following attributes:

  • operations: A list of Operation instances, probably from django.db.migrations.operations
  • dependencies: A list of tuples of (app_path, migration_name)
  • run_before: A list of tuples of (app_path, migration_name)
  • replaces: A list of migration_names

Note that all migrations come out of migrations and into the Loader or Graph as instances, having been initialized with their app label and name.

initial = True
dependencies = [('accounts', '0010_user_current_ward'), ('accounts', '__first__')]
operations = [<CreateModel name='Memo', fields=[('memoId', <django.db.models.fields.CharField>), ('is_deleted', <django.db.models.fields.BooleanField>), ('is_merged', <django.db.models.fields.BooleanField>), ('hospital', <django.db.models.fields.related.ForeignKey>)]>, <CreateModel name='MemoEvents', fields=[('id', <django.db.models.fields.BigAutoField>), ('event_type', <django.db.models.fields.CharField>), ('event_timestamp', <django.db.models.fields.DateTimeField>), ('payload', <django.db.models.fields.json.JSONField>), ('metadata', <django.db.models.fields.json.JSONField>), ('event_by', <django.db.models.fields.related.ForeignKey>), ('memo', <django.db.models.fields.related.ForeignKey>)]>]