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fix editor.0014_last_update_foreign_key migration on postgres

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This commit is contained in:
Laura Klünder 2017-09-16 14:13:35 +02:00
parent d5622f6db9
commit 20abfe5ad5
1 changed files with 7 additions and 30 deletions
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37
src/c3nav/editor/migrations/0014_last_update_foreign_key.py
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@ -20,19 +20,6 @@ def forwards_func(apps, schema_editor):
pass
changeset.save()
def reverse_func(apps, schema_editor):
ChangeSet = apps.get_model('editor', 'ChangeSet')
for changeset in ChangeSet.objects.all():
try:
changeset.last_update = changeset.last_update_obj.datetime
except ObjectDoesNotExist:
changeset.last_update = changeset.created
try:
changeset.last_change = changeset.last_change_obj.datetime
except ObjectDoesNotExist:
changeset.last_change = changeset.created
changeset.save()
class Migration(migrations.Migration):
@ -46,17 +33,6 @@ class Migration(migrations.Migration):
options={'get_latest_by': 'datetime', 'ordering': ['datetime', 'pk'], 'verbose_name': 'Change set update',
'verbose_name_plural': 'Change set updates'},
),
migrations.AddField(
model_name='changeset',
name='last_change_obj',
field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='editor.ChangeSetUpdate', verbose_name='last object change'),
),
migrations.AddField(
model_name='changeset',
name='last_update_obj',
field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='editor.ChangeSetUpdate', verbose_name='last update'),
),
migrations.RunPython(forwards_func, reverse_func),
migrations.RemoveField(
model_name='changeset',
name='last_change',
@ -65,14 +41,15 @@ class Migration(migrations.Migration):
model_name='changeset',
name='last_update',
),
migrations.RenameField(
migrations.AddField(
model_name='changeset',
old_name='last_change_obj',
new_name='last_change',
name='last_change',
field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='editor.ChangeSetUpdate', verbose_name='last object change'),
),
migrations.RenameField(
migrations.AddField(
model_name='changeset',
old_name='last_update_obj',
new_name='last_update',
name='last_update',
field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='editor.ChangeSetUpdate', verbose_name='last update'),
),
migrations.RunPython(forwards_func),
]