Django Query Relations Behaviour -
okay there way filter objects records associated records. right join maybe?
basically, want select records b has foreign key whilst using clause on b. making sound more complicated is? don't need records b, a; maybe subquery?
i'm relatively new django's queries , i've done of simpler stuff.
your question little vague, if understand correctly work this:
class a(models.model): pass class b(models.model): = models.foreignkey(a) some_field = models.integerfield() a.filter(b__some_field=5).distinct()
this joins
2 tables , filters on b
's some_field
. distinct()
makes sure unique a
s returned. see documentation on lookups span relationships.
Comments
Post a Comment