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Code Issues 32 Releases Wiki Activity

Fixed #23954 -- Added special text/varchar PostgreSQL indexes in migrations

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Thanks adityagupta104 for the report and Tim Graham for the review.
This commit is contained in:
Claude Paroz
2014-12-04 17:56:11 +01:00
parent ce2eff7e48
commit 8d7a48027e
4 changed files with 105 additions and 18 deletions
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39
tests/indexes/tests.py
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@@ -7,7 +7,10 @@ from django.test import TestCase
from .models import Article, IndexTogetherSingleList
class IndexesTests(TestCase):
class CreationIndexesTests(TestCase):
"""
Test index handling by the to-be-deprecated connection.creation interface.
"""
def test_index_together(self):
index_sql = connection.creation.sql_indexes_for_model(Article, no_style())
self.assertEqual(len(index_sql), 1)
@@ -36,3 +39,37 @@ class IndexesTests(TestCase):
"""Test indexes are not created for related objects"""
index_sql = connection.creation.sql_indexes_for_model(Article, no_style())
self.assertEqual(len(index_sql), 1)
class SchemaIndexesTests(TestCase):
"""
Test index handling by the db.backends.schema infrastructure.
"""
def test_index_together(self):
index_sql = connection.schema_editor()._model_indexes_sql(Article)
self.assertEqual(len(index_sql), 1)
def test_index_together_single_list(self):
# Test for using index_together with a single list (#22172)
index_sql = connection.schema_editor()._model_indexes_sql(IndexTogetherSingleList)
self.assertEqual(len(index_sql), 1)
@skipUnless(connection.vendor == 'postgresql',
"This is a postgresql-specific issue")
def test_postgresql_text_indexes(self):
"""Test creation of PostgreSQL-specific text indexes (#12234)"""
from .models import IndexedArticle
index_sql = connection.schema_editor()._model_indexes_sql(IndexedArticle)
self.assertEqual(len(index_sql), 5)
self.assertIn('("headline" varchar_pattern_ops)', index_sql[2])
self.assertIn('("body" text_pattern_ops)', index_sql[3])
# unique=True and db_index=True should only create the varchar-specific
# index (#19441).
self.assertIn('("slug" varchar_pattern_ops)', index_sql[4])
@skipUnless(connection.vendor == 'postgresql',
"This is a postgresql-specific issue")
def test_postgresql_virtual_relation_indexes(self):
"""Test indexes are not created for related objects"""
index_sql = connection.schema_editor()._model_indexes_sql(Article)
self.assertEqual(len(index_sql), 1)