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Refs #26709 -- Checked allow_migrate_model() in Add/RemoveIndex operations.

This commit is contained in:
Akshesh 2016-07-07 12:02:00 +05:30 committed by Tim Graham
parent 3551fb537f
commit fc3ac65735
2 changed files with 30 additions and 8 deletions
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4
django/db/migrations/operations/models.py
View File

@ -772,10 +772,12 @@ class AddIndex(IndexOperation):
def database_forwards(self, app_label, schema_editor, from_state, to_state):
model = to_state.apps.get_model(app_label, self.model_name)
if self.allow_migrate_model(schema_editor.connection.alias, model):
schema_editor.add_index(model, self.index)
def database_backwards(self, app_label, schema_editor, from_state, to_state):
model = from_state.apps.get_model(app_label, self.model_name)
if self.allow_migrate_model(schema_editor.connection.alias, model):
schema_editor.remove_index(model, self.index)
def deconstruct(self):
@ -812,12 +814,14 @@ class RemoveIndex(IndexOperation):
def database_forwards(self, app_label, schema_editor, from_state, to_state):
model = from_state.apps.get_model(app_label, self.model_name)
if self.allow_migrate_model(schema_editor.connection.alias, model):
from_model_state = from_state.models[app_label, self.model_name_lower]
index = from_model_state.get_index_by_name(self.name)
schema_editor.remove_index(model, index)
def database_backwards(self, app_label, schema_editor, from_state, to_state):
model = to_state.apps.get_model(app_label, self.model_name)
if self.allow_migrate_model(schema_editor.connection.alias, model):
to_model_state = to_state.models[app_label, self.model_name_lower]
index = to_model_state.get_index_by_name(self.name)
schema_editor.add_index(model, index)

18
tests/migrations/test_operations.py
View File

@ -2347,3 +2347,21 @@ class SwappableOperationTests(OperationTestBase):
with connection.schema_editor() as editor:
operation.database_backwards("test_adfligsw", editor, new_state, project_state)
self.assertTableNotExists("test_adfligsw_pony")
@override_settings(TEST_SWAP_MODEL='migrations.SomeFakeModel')
def test_indexes_ignore_swapped(self):
"""
Add/RemoveIndex operations ignore swapped models.
"""
operation = migrations.AddIndex('Pony', models.Index(fields=['pink'], name='my_name_idx'))
project_state, new_state = self.make_test_state('test_adinigsw', operation)
with connection.schema_editor() as editor:
# No database queries should be run for swapped models
operation.database_forwards('test_adinigsw', editor, project_state, new_state)
operation.database_backwards('test_adinigsw', editor, new_state, project_state)
operation = migrations.RemoveIndex('Pony', models.Index(fields=['pink'], name='my_name_idx'))
project_state, new_state = self.make_test_state("test_rminigsw", operation)
with connection.schema_editor() as editor:
operation.database_forwards('test_rminigsw', editor, project_state, new_state)
operation.database_backwards('test_rminigsw', editor, new_state, project_state)