On 2/27/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > Could somebody explain the difference between lets assume you have models Article Author Category
where every article has one author and one category > > Foo.objects.all() and this will do something like select * from articles; > Foo.objects.select_related() this will do something like: select articles.*, author.*, category.* from articles join author on article.author_id = author.id join category on article.category_id = category.id; so you will have more data coming out of the DB and a more complicated query, but it will be one select and article.author won't result in a DB hit > > I'm trying to improve performance and decrease DB hits. > > > > > -- Honza Kr�l E-Mail: [EMAIL PROTECTED] ICQ#: 107471613 Phone: +420 606 678585 --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
