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Fixed #25531 -- Documented that admin_order_field supports lookups.

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René Fleschenberg 2015-11-07 21:50:40 +01:00 committed by Tim Graham
parent 931b946e29
commit 2c72710111
1 changed files with 16 additions and 0 deletions
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16
docs/ref/contrib/admin/index.txt
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@ -714,6 +714,22 @@ subclass::
colored_first_name.admin_order_field = '-first_name' colored_first_name.admin_order_field = '-first_name'
``admin_order_field`` supports query lookups to sort by values on related
models. This example includes an "author first name" column in the list
display and allows sorting it by first name::
class Blog(models.Model):
title = models.CharField(max_length=255)
author = models.ForeignKey(Person, on_delete=models.CASCADE)
class BlogAdmin(admin.ModelAdmin):
list_display = ('title', 'author', 'author_first_name')
def author_first_name(self, obj):
return obj.author.first_name
author_first_name.admin_order_field = 'author__first_name'
* Elements of ``list_display`` can also be properties. Please note however, * Elements of ``list_display`` can also be properties. Please note however,
that due to the way properties work in Python, setting that due to the way properties work in Python, setting
``short_description`` on a property is only possible when using the ``short_description`` on a property is only possible when using the