On Fri, 23 Dec 2011 20:16:11 +0100 Babatunde Akinyanmi <tundeba...@gmail.com> wrote:
> I actually have a database with thousands of records from which I have > to randomly select just 10 records from the thousands during every > query. Because of efficiency, I use the normal select with limit query > using a random number as offset and 200 as the limit. Next, the idea > is to shuffle the results and use the first 10 numbers. To randomly select 10 records from your model, you can also use Model.objects.order_by('?')[0:10] This translates loosely to something like this SQL statement: SELECT … FROM … ORDER BY RANDOM() LIMIT 10 Beware that this might be an expensive and/or slow query, depending on your database backend. Unfortunately, I don't know how each database backend compares. See: https://docs.djangoproject.com/en/1.3/ref/models/querysets/#order-by Regards, Sebastian. -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.