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Fixes migration error if some tasks are defined already

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This commit is contained in:
Trenton H 2022-10-04 07:56:40 -07:00
parent 5e4a9311ed
commit ff7d4d15cd
1 changed files with 1 additions and 18 deletions

19
src/documents/migrations/1026_transition_to_celery.py

@ -4,18 +4,6 @@ from django.db import migrations, models
import django.db.models.deletion import django.db.models.deletion
def _attempted_task(apps, schema_editor):
"""
Remove any existing attempted_task one to one fields.
"""
task_model = apps.get_model("documents", "PaperlessTask")
for task in task_model.objects.all():
if hasattr(task, "attempted_task"):
task.attempted_task = None
task.save()
class Migration(migrations.Migration): class Migration(migrations.Migration):
dependencies = [ dependencies = [
@ -36,12 +24,6 @@ class Migration(migrations.Migration):
model_name="paperlesstask", model_name="paperlesstask",
name="started", name="started",
), ),
# Ensure any existing PaperlessTask.attempted_task are nulled
# This ensures nothing is pointing to a django-q model
migrations.RunPython(
code=_attempted_task,
reverse_code=migrations.RunPython.noop,
),
# Remove the field from the model # Remove the field from the model
migrations.RemoveField( migrations.RemoveField(
model_name="paperlesstask", model_name="paperlesstask",
@ -62,6 +44,7 @@ class Migration(migrations.Migration):
), ),
), ),
# Drop the django-q tables entirely # Drop the django-q tables entirely
# Must be done last or there could be references here
migrations.RunSQL( migrations.RunSQL(
"DROP TABLE IF EXISTS django_q_ormq", reverse_sql=migrations.RunSQL.noop "DROP TABLE IF EXISTS django_q_ormq", reverse_sql=migrations.RunSQL.noop
), ),