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Refs #27064 -- Made migrations generate RenameIndex operations when moving indexes from index_together to Meta.indexes.

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David Wobrock 2022-05-04 16:03:09 +02:00 • committed by Mariusz Felisiak
parent a098cde968
commit 97f124f39e
3 changed files with 126 additions and 0 deletions
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73
tests/migrations/test_autodetector.py
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@ -2598,6 +2598,79 @@ class AutodetectorTests(TestCase):
old_name="book_title_author_idx",
)
def test_rename_index_together_to_index(self):
changes = self.get_changes(
[self.author_empty, self.book_foo_together],
[self.author_empty, self.book_indexes],
)
self.assertNumberMigrations(changes, "otherapp", 1)
self.assertOperationTypes(
changes, "otherapp", 0, ["RenameIndex", "AlterUniqueTogether"]
)
self.assertOperationAttributes(
changes,
"otherapp",
0,
0,
model_name="book",
new_name="book_title_author_idx",
old_fields=("author", "title"),
)
self.assertOperationAttributes(
changes,
"otherapp",
0,
1,
name="book",
unique_together=set(),
)
def test_rename_index_together_to_index_extra_options(self):
# Indexes with extra options don't match indexes in index_together.
book_partial_index = ModelState(
"otherapp",
"Book",
[
("id", models.AutoField(primary_key=True)),
("author", models.ForeignKey("testapp.Author", models.CASCADE)),
("title", models.CharField(max_length=200)),
],
{
"indexes": [
models.Index(
fields=["author", "title"],
condition=models.Q(title__startswith="The"),
name="book_title_author_idx",
)
],
},
)
changes = self.get_changes(
[self.author_empty, self.book_foo_together],
[self.author_empty, book_partial_index],
)
self.assertNumberMigrations(changes, "otherapp", 1)
self.assertOperationTypes(
changes,
"otherapp",
0,
["AlterUniqueTogether", "AlterIndexTogether", "AddIndex"],
)
def test_rename_index_together_to_index_order_fields(self):
# Indexes with reordered fields don't match indexes in index_together.
changes = self.get_changes(
[self.author_empty, self.book_foo_together],
[self.author_empty, self.book_unordered_indexes],
)
self.assertNumberMigrations(changes, "otherapp", 1)
self.assertOperationTypes(
changes,
"otherapp",
0,
["AlterUniqueTogether", "AlterIndexTogether", "AddIndex"],
)
def test_order_fields_indexes(self):
"""Test change detection of reordering of fields in indexes."""
changes = self.get_changes(