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Refs #8901 -- Reverted r13328 because the patch imposes a minimum version requirement of Postgres 8.0; we can't impose that on Django 1.2, so we need to wait until the 1.3 is branched before we can apply this change.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@13348 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-06-10 11:45:29 +00:00
parent ac8b7ff021
commit 2597f31ed4
5 changed files with 15 additions and 91 deletions
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53
tests/regressiontests/backends/tests.py
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@ -1,17 +1,13 @@
# -*- coding: utf-8 -*-
# Unit and doctests for specific database backends.
import datetime
import models
import unittest
from django.conf import settings
from django.core import management
from django.core.management.color import no_style
from django.db import backend, connection, DEFAULT_DB_ALIAS
from django.db.backends.signals import connection_created
from django.conf import settings
from django.test import TestCase
from regressiontests.backends import models
class Callproc(unittest.TestCase):
def test_dbms_session(self):
@ -80,7 +76,6 @@ class DateQuotingTest(TestCase):
classes = models.SchoolClass.objects.filter(last_updated__day=20)
self.assertEqual(len(classes), 1)
class ParameterHandlingTest(TestCase):
def test_bad_parameter_count(self):
"An executemany call with too many/not enough parameters will raise an exception (Refs #12612)"
@ -93,50 +88,6 @@ class ParameterHandlingTest(TestCase):
self.assertRaises(Exception, cursor.executemany, query, [(1,2,3),])
self.assertRaises(Exception, cursor.executemany, query, [(1,),])
# Unfortunately, the following tests would be a good test to run on all
# backends, but it breaks MySQL hard. Until #13711 is fixed, it can't be run
# everywhere (although it would be an effective test of #13711).
if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.mysql':
class LongNameTest(TestCase):
"""Long primary keys and model names can result in a sequence name
that exceeds the database limits, which will result in truncation
on certain databases (e.g., Postgres). The backend needs to use
the correct sequence name in last_insert_id and other places, so
check it is. Refs #8901.
"""
def test_sequence_name_length_limits_create(self):
"""Test creation of model with long name and long pk name doesn't error. Ref #8901"""
models.VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ.objects.create()
def test_sequence_name_length_limits_m2m(self):
"""Test an m2m save of a model with a long name and a long m2m field name doesn't error as on Django >=1.2 this now uses object saves. Ref #8901"""
obj = models.VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ.objects.create()
rel_obj = models.Person.objects.create(first_name='Django', last_name='Reinhardt')
obj.m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.add(rel_obj)
def test_sequence_name_length_limits_flush(self):
"""Test that sequence resetting as part of a flush with model with long name and long pk name doesn't error. Ref #8901"""
# A full flush is expensive to the full test, so we dig into the
# internals to generate the likely offending SQL and run it manually
# Some convenience aliases
VLM = models.VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
VLM_m2m = VLM.m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.through
tables = [
VLM._meta.db_table,
VLM_m2m._meta.db_table,
]
sequences = [
{
'column': VLM._meta.pk.column,
'table': VLM._meta.db_table
},
]
cursor = connection.cursor()
for statement in connection.ops.sql_flush(no_style(), tables, sequences):
cursor.execute(statement)
def connection_created_test(sender, **kwargs):
print 'connection_created signal'