Re: [Django] #16622: django.test.TestCase slow using PostgreSQL 8.4.4

[Django]

#16622: django.test.TestCase slow using PostgreSQL 8.4.4
--------------------------------------+-----------------------------------
               Reporter:  valhallasw  |          Owner:  nobody
                   Type:  Bug         |         Status:  new
              Milestone:              |      Component:  Testing framework
                Version:  1.3         |       Severity:  Normal
             Resolution:              |       Keywords:
           Triage Stage:  Accepted    |      Has patch:  0
    Needs documentation:  0           |    Needs tests:  0
Patch needs improvement:  0           |  Easy pickings:  0
                  UI/UX:  0           |
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Comment (by ramiro):

 Sorry, posted last comment when I was too tired so it lacked details,
 should have made clear my testing conditions: A simple app and a !TestCase
 with only one test method:
 {{{
 from django.db import models

 class Person(models.Model):
     age = models.IntegerField()
 }}}
 {{{
 from django.test import TestCase

 from models import Person


 class SimpleTest(TestCase):
     def test_a(self):
         self.assertEqual(0, Person.objects.filter(age=42).count())

     # added afterwards:
     #def test_b(self):
     #    self.assertEqual(0, Person.objects.filter(pk=314).count())

 }}}

 Now (just in case, even when `manage.py test` already runs tests of all
 django.contrib apps listed in INSTALLED_APPS), I've added another test
 method and another similar simple app with its own tests. But number of
 TRUNCATE operation stays at one here (most surely because of this
 
[https://code.djangoproject.com/browser/django/trunk/django/db/backends/creation.py#L241
 `flush` operation] added in these commits.)

 Count me as also confused on why valhallasw sees it once per test.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/16622#comment:9>
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