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[1.5.x] Fixed #19441 -- Created PostgreSQL varchar index when unique=True

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Thanks Dylan Verheul for the report and Anssi Kääriäinen for the
review.
Backport of 55972ee5c from master.
This commit is contained in:
Claude Paroz 2012-12-18 09:56:30 +01:00
parent 1caa483914
commit ddea0e0d7e
3 changed files with 25 additions and 5 deletions
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16
tests/regressiontests/indexes/tests.py
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@ -1,8 +1,9 @@
from django.core.management.color import no_style
from django.db import connections, DEFAULT_DB_ALIAS
from django.test import TestCase
from django.utils.unittest import skipUnless
from .models import Article
from .models import Article, IndexedArticle
class IndexesTests(TestCase):
@ -10,3 +11,16 @@ class IndexesTests(TestCase):
connection = connections[DEFAULT_DB_ALIAS]
index_sql = connection.creation.sql_indexes_for_model(Article, no_style())
self.assertEqual(len(index_sql), 1)
@skipUnless(connections[DEFAULT_DB_ALIAS].vendor == 'postgresql',
"This is a postgresql-specific issue")
def test_postgresql_text_indexes(self):
"""Test creation of PostgreSQL-specific text indexes (#12234)"""
connection = connections[DEFAULT_DB_ALIAS]
index_sql = connection.creation.sql_indexes_for_model(IndexedArticle, no_style())
self.assertEqual(len(index_sql), 5)
self.assertIn('("headline" varchar_pattern_ops)', index_sql[1])
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])