Added a missing migration

- Legacy-Id: 16263

ietf/doc/migrations/0023_one_to_many_docalias.py

@@ -0,0 +1,43 @@
+# Copyright The IETF Trust 2019, All Rights Reserved
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-06-10 04:36
+from __future__ import unicode_literals
+
+import sys
+
+from tqdm import tqdm
+
+from django.db import migrations, models
+
+
+def forward(apps, schema_editor):
+    DocAlias = apps.get_model('doc','DocAlias')
+    sys.stderr.write('\n')
+    for a in tqdm(DocAlias.objects.all()):
+        a.docs.add(a.document)
+
+def reverse(apps, schema_editor):
+    DocAlias = apps.get_model('doc','DocAlias')
+    sys.stderr.write('\n')
+    for a in tqdm(DocAlias.objects.all()):
+        a.document = a.document
+        a.save()
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('doc', '0022_document_primary_key_cleanup'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='docalias',
+            name='docs',
+            field=models.ManyToManyField(related_name='docalias', to='doc.Document'),
+        ),
+        migrations.RunPython(forward, reverse),
+        migrations.RemoveField(
+            model_name='docalias',
+            name='document',
+        ),
+    ]