Django: Count Queries and Query time without using connection.queries


pankaj
HOME ยป Web Design

For performance monitoring I want to send the count of total queries and the elapsed query time for each request to statsd. In dev/staging I can use connection.queries but I obviously don't want to enable debug on production.


Is there another way to do this without writing a custom cursor wrapper? Anyone have experience doing this?


Related to : Django: Count Queries and Query time without using connection.queries
Django: Count Queries and Query time without using connection.queries
Web Design

For performance monitoring I want to send the count of total queries and the elapsed query time for each request to statsd. In dev/staging I can use connection.queries but I obviously don't want to enable debug on production.


Is there another way to do this without writing a custom cursor wrapper? Anyone have experience doing this?


How come queries aren't being added to Django's db.connection.queries in tests?
Web Design

I'm trying to capture the queries which my code submits to the database by examining the contents of django.db.connection.queries. For some reason though, after all the automatically produced setup queries are logged, no further queries are logged from my own code. The following test case demonstrates the behavior.


from django.test import TestCase
from django.db import reset_queries, connection
from django.contrib.auth.models import User
from django.conf import settings
class Test1(TestCase):
def setUp(self):
settings.DEBUG = True
def test1(self):
self.assert_(settin
Django: is there a way to count SQL queries from an unit test?
Web Design

I am trying to find out the number of queries executed by a utility function. I have written a unit test for this function and the function is working well. What I would like to do is track the number of SQL queries executed by the function so that I can see if there is any improvement after some refactoring.


def do_something_in_the_database():
# Does something in the database
# return result
class DoSomethingTests(django.test.TestCase):
def test_function_returns_correct_values(self):
self.assertEqual(n, <number of SQL queries executed>)

EDIT: I found out that there is a pen

Django queries: how to annotate with a filtered count?
Web Design

Suppose I have a Book model with a language field and a foreign key to a Publisher model.


Currently I use a Count annotation in a custom Publisher manager to allow me to add to the admin a sortable column with the number of books by each publisher. (see http://stackoverflow.com/questions/3491766/how-to-add-a-sortable-count-column-to-the-django-admin-of-a-model-with-a-many-to )


My problem now is that I need to have a different column count for the books published in each language.


Is there any way to make the annotation subject to a filter of the related model?




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