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Code Issues 32 Releases Wiki Activity

[1.7.x] Fixed #23013 -- Fixed removing unique_together/index_together constraints in migrations.

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Thanks melinath for the report.

Backport of 0154965392 from master
This commit is contained in:
Tim Graham
2014-07-14 08:16:35 -04:00
parent fe5f29eb1d
commit 01515ebaa4
3 changed files with 10 additions and 4 deletions
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4
django/db/migrations/operations/models.py
View File

@@ -248,7 +248,7 @@ class AlterUniqueTogether(Operation):
return name.lower() == self.name.lower()
def describe(self):
return "Alter %s for %s (%s constraint(s))" % (self.option_name, self.name, len(self.unique_together))
return "Alter %s for %s (%s constraint(s))" % (self.option_name, self.name, len(self.unique_together or ''))
class AlterIndexTogether(Operation):
@@ -288,7 +288,7 @@ class AlterIndexTogether(Operation):
return name.lower() == self.name.lower()
def describe(self):
return "Alter %s for %s (%s constraint(s))" % (self.option_name, self.name, len(self.index_together))
return "Alter %s for %s (%s constraint(s))" % (self.option_name, self.name, len(self.index_together or ''))
class AlterOrderWithRespectTo(Operation):

2
django/db/migrations/state.py
View File

@@ -272,8 +272,6 @@ class ModelState(object):
# First, make a Meta object
meta_contents = {'app_label': self.app_label, "apps": apps}
meta_contents.update(self.options)
if "unique_together" in meta_contents:
meta_contents["unique_together"] = list(meta_contents["unique_together"])
meta = type(str("Meta"), tuple(), meta_contents)
# Then, work out our bases
try:

8
tests/migrations/test_operations.py
View File

@@ -899,6 +899,10 @@ class OperationTests(OperationTestBase):
operation.state_forwards("test_alunto", new_state)
self.assertEqual(len(new_state.models["test_alunto", "pony"].options.get("unique_together", set())), 1)
def test_alter_unique_together_remove(self):
operation = migrations.AlterUniqueTogether("Pony", None)
self.assertEqual(operation.describe(), "Alter unique_together for Pony (0 constraint(s))")
def test_alter_index_together(self):
"""
Tests the AlterIndexTogether operation.
@@ -922,6 +926,10 @@ class OperationTests(OperationTestBase):
operation.database_backwards("test_alinto", editor, new_state, project_state)
self.assertIndexNotExists("test_alinto_pony", ["pink", "weight"])
def test_alter_index_together_remove(self):
operation = migrations.AlterIndexTogether("Pony", None)
self.assertEqual(operation.describe(), "Alter index_together for Pony (0 constraint(s))")
def test_alter_model_options(self):
"""
Tests the AlterModelOptions operation.