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Code Issues 32 Releases Wiki Activity

Fixed #30913 -- Added support for covering indexes on PostgreSQL 11+.

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This commit is contained in:
Hannes Ljungberg
2019-10-31 13:33:53 +01:00
committed by Mariusz Felisiak
parent f997b5e6ae
commit 8c7992f658
20 changed files with 719 additions and 41 deletions
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38
tests/model_indexes/tests.py
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@@ -17,9 +17,18 @@ class SimpleIndexesTests(SimpleTestCase):
index = models.Index(fields=['title'])
multi_col_index = models.Index(fields=['title', 'author'])
partial_index = models.Index(fields=['title'], name='long_books_idx', condition=models.Q(pages__gt=400))
covering_index = models.Index(
fields=['title'],
name='include_idx',
include=['author', 'pages'],
)
self.assertEqual(repr(index), "<Index: fields='title'>")
self.assertEqual(repr(multi_col_index), "<Index: fields='title, author'>")
self.assertEqual(repr(partial_index), "<Index: fields='title', condition=(AND: ('pages__gt', 400))>")
self.assertEqual(
repr(covering_index),
"<Index: fields='title', include='author, pages'>",
)
def test_eq(self):
index = models.Index(fields=['title'])
@@ -65,6 +74,16 @@ class SimpleIndexesTests(SimpleTestCase):
with self.assertRaisesMessage(ValueError, 'Index.condition must be a Q instance.'):
models.Index(condition='invalid', name='long_book_idx')
def test_include_requires_list_or_tuple(self):
msg = 'Index.include must be a list or tuple.'
with self.assertRaisesMessage(ValueError, msg):
models.Index(name='test_include', fields=['field'], include='other')
def test_include_requires_index_name(self):
msg = 'A covering index must be named.'
with self.assertRaisesMessage(ValueError, msg):
models.Index(fields=['field'], include=['other'])
def test_name_auto_generation(self):
index = models.Index(fields=['author'])
index.set_name_with_model(Book)
@@ -128,6 +147,25 @@ class SimpleIndexesTests(SimpleTestCase):
}
)
def test_deconstruct_with_include(self):
index = models.Index(
name='book_include_idx',
fields=['title'],
include=['author'],
)
index.set_name_with_model(Book)
path, args, kwargs = index.deconstruct()
self.assertEqual(path, 'django.db.models.Index')
self.assertEqual(args, ())
self.assertEqual(
kwargs,
{
'fields': ['title'],
'name': 'model_index_title_196f42_idx',
'include': ('author',),
},
)
def test_clone(self):
index = models.Index(fields=['title'])
new_index = index.clone()