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Fixed #27004 -- Made migrations consistency check ignore unapplied squashed migrations.
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@ -280,6 +280,11 @@ class MigrationLoader(object):
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continue
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for parent in self.graph.node_map[migration].parents:
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if parent not in applied:
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# Skip unapplied squashed migrations that have all of their
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# `replaces` applied.
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if parent in self.replacements:
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if all(m in applied for m in self.replacements[parent].replaces):
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continue
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raise InconsistentMigrationHistory(
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"Migration {}.{} is applied before its dependency {}.{}".format(
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migration[0], migration[1], parent[0], parent[1],
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@ -29,3 +29,7 @@ Bugfixes
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* Fixed the ``isnull`` lookup on a ``ForeignKey`` with its ``to_field``
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pointing to a ``CharField`` (:ticket:`26983`).
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* Prevented the ``migrate`` command from raising
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``InconsistentMigrationHistory`` in the presence of unapplied squashed
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migrations (:ticket:`27004`).
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@ -381,6 +381,23 @@ class LoaderTests(TestCase):
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with self.assertRaisesMessage(InconsistentMigrationHistory, msg):
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loader.check_consistent_history(connection)
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@override_settings(
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MIGRATION_MODULES={'migrations': 'migrations.test_migrations_squashed_extra'},
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INSTALLED_APPS=['migrations'],
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)
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def test_check_consistent_history_squashed(self):
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"""
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MigrationLoader.check_consistent_history() should ignore unapplied
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squashed migrations that have all of their `replaces` applied.
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"""
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loader = MigrationLoader(connection=None)
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recorder = MigrationRecorder(connection)
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recorder.record_applied('migrations', '0001_initial')
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recorder.record_applied('migrations', '0002_second')
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loader.check_consistent_history(connection)
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recorder.record_applied('migrations', '0003_third')
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loader.check_consistent_history(connection)
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@override_settings(MIGRATION_MODULES={
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"app1": "migrations.test_migrations_squashed_ref_squashed.app1",
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"app2": "migrations.test_migrations_squashed_ref_squashed.app2",
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@ -0,0 +1,8 @@
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import migrations
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class Migration(migrations.Migration):
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pass
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@ -0,0 +1,11 @@
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import migrations
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class Migration(migrations.Migration):
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replaces = [
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("migrations", "0001_initial"),
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("migrations", "0002_second"),
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]
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@ -0,0 +1,8 @@
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import migrations
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class Migration(migrations.Migration):
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dependencies = [("migrations", "0001_initial")]
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@ -0,0 +1,8 @@
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import migrations
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class Migration(migrations.Migration):
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dependencies = [("migrations", "0002_second")]
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