diff options
| -rw-r--r-- | django/db/migrations/graph.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/django/db/migrations/graph.py b/django/db/migrations/graph.py index ff5ecbc8b4..cc06dde11f 100644 --- a/django/db/migrations/graph.py +++ b/django/db/migrations/graph.py @@ -1,6 +1,7 @@ from functools import total_ordering from django.db.migrations.state import ProjectState +from django.utils.datastructures import OrderedSet from .exceptions import CircularDependencyError, NodeNotFoundError @@ -305,12 +306,12 @@ class MigrationGraph: ) def _generate_plan(self, nodes, at_end): - plan = [] + plan = OrderedSet() for node in nodes: for migration in self.forwards_plan(node): if migration not in plan and (at_end or migration not in nodes): - plan.append(migration) - return plan + plan.add(migration) + return list(plan) def make_state(self, nodes=None, at_end=True, real_apps=None): """ |