Omission: the models and admin used in experiments have changed a bit
from the original post:
from django.db import models
class Base(models.Model):
name = models.CharField(max_length=10)
lots_of_text = models.TextField()
class Meta:
abstract = True
def __unicode__(self):
return self.name
class A(Base):
a_field = models.CharField(max_length=10)
class B(Base):
b_field = models.CharField(max_length=10)
class C(Base):
a = models.ForeignKey(A)
b = models.ForeignKey(B)
is_published = models.BooleanField()
---
from django.contrib import admin
from improve_admin.models import A, B, C
class CAdmin(admin.ModelAdmin):
list_display = ('name', 'a', 'b', 'is_published')
list_filter = ('a',)
def queryset(self, request):
qs = super(CAdmin, self).queryset(request)
return qs.only('name', 'is_published', 'a', 'b').select_related
().only('a__name')
admin.site.register(A)
admin.site.register(B)
admin.site.register(C, CAdmin)
On Apr 3, 3:03 pm, Mart Somermaa <m...@mrts.pri.ee> wrote:
> and the resulting view is the worst possible: contents of *the large
> text field* are displayed in the changelist instead of __unicode__ --
Correction: __unicode__ still uses C.name, but as #10710 kicks in, the
contents of C.lots_of_text is actually referenced by C.name, so that
is displayed.
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