diff --git a/django/db/migrations/executor.py b/django/db/migrations/executor.py index 1ad7d0c18c..074d7b2d28 100644 --- a/django/db/migrations/executor.py +++ b/django/db/migrations/executor.py @@ -304,8 +304,7 @@ class MigrationExecutor: """ applied = self.recorder.applied_migrations() for key, migration in self.loader.replacements.items(): - all_applied = all(m in applied for m in migration.replaces) - if all_applied and key not in applied: + if key not in applied and self.loader.all_replaced_applied(key, applied): self.recorder.record_applied(*key) def detect_soft_applied(self, project_state, migration): diff --git a/django/db/migrations/loader.py b/django/db/migrations/loader.py index 66944c7ab7..df195e0802 100644 --- a/django/db/migrations/loader.py +++ b/django/db/migrations/loader.py @@ -356,11 +356,8 @@ class MigrationLoader: if parent not in applied: # Skip unapplied squashed migrations that have all of their # `replaces` applied. - if parent in self.replacements: - if all( - m in applied for m in self.replacements[parent].replaces - ): - continue + if self.all_replaced_applied(parent.key, applied): + continue raise InconsistentMigrationHistory( "Migration {}.{} is applied before its dependency " "{}.{} on database '{}'.".format( @@ -372,6 +369,20 @@ class MigrationLoader: ) ) + def all_replaced_applied(self, migration_key, applied): + """ + Checks (recursively) whether all replaced migrations are applied. + """ + if migration_key in self.replacements: + for replaced_key in self.replacements[migration_key].replaces: + if replaced_key not in applied and not self.all_replaced_applied( + replaced_key, applied + ): + return False + return True + + return False + def detect_conflicts(self): """ Look through the loaded graph and detect any conflicts - apps diff --git a/tests/migrations/test_commands.py b/tests/migrations/test_commands.py index b5817081d2..1ff680be07 100644 --- a/tests/migrations/test_commands.py +++ b/tests/migrations/test_commands.py @@ -3142,6 +3142,60 @@ class SquashMigrationsTests(MigrationTestBase): ] self.assertNotIn("migrations", applied_app_labels) + def test_double_replaced_migrations_are_checked_correctly(self): + """ + If replaced migrations are already applied and replacing migrations + are not, then migrate should not fail with + InconsistentMigrationHistory. + """ + with self.temporary_migration_module(): + call_command( + "makemigrations", + "migrations", + "--empty", + interactive=False, + verbosity=0, + ) + call_command( + "makemigrations", + "migrations", + "--empty", + interactive=False, + verbosity=0, + ) + call_command( + "makemigrations", + "migrations", + "--empty", + interactive=False, + verbosity=0, + ) + call_command( + "makemigrations", + "migrations", + "--empty", + interactive=False, + verbosity=0, + ) + call_command("migrate", "migrations", interactive=False, verbosity=0) + call_command( + "squashmigrations", + "migrations", + "0001", + "0002", + interactive=False, + verbosity=0, + ) + call_command( + "squashmigrations", + "migrations", + "0001_initial_squashed", + "0003", + interactive=False, + verbosity=0, + ) + call_command("migrate", "migrations", interactive=False, verbosity=0) + def test_squashmigrations_initial_attribute(self): with self.temporary_migration_module( module="migrations.test_migrations"