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Batuhan Osman TASKAYA
django
Commits
f265c1ef
Kaydet (Commit)
f265c1ef
authored
Şub 03, 2014
tarafından
Loic Bistuer
Kaydeden (comit)
=
Şub 05, 2014
Dosyalara gözat
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Dosyalara Gözat
İndir
Eposta Yamaları
Sade Fark
Fixed gendered examples in the docs.
üst
297c009c
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managers.txt
docs/topics/db/managers.txt
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docs/topics/db/managers.txt
Dosyayı görüntüle @
f265c1ef
...
...
@@ -150,23 +150,23 @@ models.
For example::
class
Male
Manager(models.Manager):
class
Author
Manager(models.Manager):
def get_queryset(self):
return super(
MaleManager, self).get_queryset().filter(sex='M
')
return super(
AuthorManager, self).get_queryset().filter(role='A
')
class
Female
Manager(models.Manager):
class
Editor
Manager(models.Manager):
def get_queryset(self):
return super(
FemaleManager, self).get_queryset().filter(sex='F
')
return super(
EditorManager, self).get_queryset().filter(role='E
')
class Person(models.Model):
first_name = models.CharField(max_length=50)
last_name = models.CharField(max_length=50)
sex = models.CharField(max_length=1, choices=(('M', 'Male'), ('F', 'Female'
)))
role = models.CharField(max_length=1, choices=(('A', _('Author')), ('E', _('Editor')
)))
people = models.Manager()
men = Male
Manager()
women = Female
Manager()
authors = Author
Manager()
editors = Editor
Manager()
This example allows you to request ``Person.
men.all()``, ``Person.women
.all()``,
This example allows you to request ``Person.
authors.all()``, ``Person.editors
.all()``,
and ``Person.people.all()``, yielding predictable results.
If you use custom ``Manager`` objects, take note that the first ``Manager``
...
...
@@ -211,29 +211,29 @@ the ``Manager``, this is only the case for the extra methods defined on a
custom ``QuerySet`` if you also implement them on the ``Manager``::
class PersonQuerySet(models.QuerySet):
def
male
(self):
return self.filter(
sex='M
')
def
authors
(self):
return self.filter(
role='A
')
def
female
(self):
return self.filter(
sex='F
')
def
editors
(self):
return self.filter(
role='E
')
class PersonManager(models.Manager):
def get_queryset(self):
return PersonQuerySet(self.model, using=self._db)
def
male
(self):
return self.get_queryset().
male
()
def
authors
(self):
return self.get_queryset().
authors
()
def
female
(self):
return self.get_queryset().
female
()
def
editors
(self):
return self.get_queryset().
editors
()
class Person(models.Model):
first_name = models.CharField(max_length=50)
last_name = models.CharField(max_length=50)
sex = models.CharField(max_length=1, choices=(('M', 'Male'), ('F', 'Female'
)))
role = models.CharField(max_length=1, choices=(('A', _('Author')), ('E', _('Editor')
)))
people = PersonManager()
This example allows you to call both ``
male()`` and ``female
()`` directly from
This example allows you to call both ``
authors()`` and ``editors
()`` directly from
the manager ``Person.people``.
.. _create-manager-with-queryset-methods:
...
...
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