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Fixed #34140 -- Reformatted code blocks in docs with blacken-docs.

This commit is contained in:
django-bot
2023-02-28 20:53:28 +01:00
committed by Mariusz Felisiak
parent 6015bab80e
commit 14459f80ee
193 changed files with 5797 additions and 4481 deletions

View File

@@ -16,7 +16,7 @@ module. They are described in more detail in the `PostgreSQL docs
.. code-block:: pycon
>>> SomeModel.objects.aggregate(arr=ArrayAgg('somefield'))
>>> SomeModel.objects.aggregate(arr=ArrayAgg("somefield"))
{'arr': [0, 1, 2]}
.. admonition:: Common aggregate options
@@ -49,10 +49,11 @@ General-purpose aggregation functions
Examples::
'some_field'
'-some_field'
"some_field"
"-some_field"
from django.db.models import F
F('some_field').desc()
F("some_field").desc()
.. versionchanged:: 5.0
@@ -103,7 +104,7 @@ General-purpose aggregation functions
>>> from django.db.models import Q
>>> from django.contrib.postgres.aggregates import BoolAnd
>>> Comment.objects.aggregate(booland=BoolAnd('published'))
>>> Comment.objects.aggregate(booland=BoolAnd("published"))
{'booland': False}
>>> Comment.objects.aggregate(booland=BoolAnd(Q(rank__lt=100)))
{'booland': True}
@@ -127,7 +128,7 @@ General-purpose aggregation functions
>>> from django.db.models import Q
>>> from django.contrib.postgres.aggregates import BoolOr
>>> Comment.objects.aggregate(boolor=BoolOr('published'))
>>> Comment.objects.aggregate(boolor=BoolOr("published"))
{'boolor': True}
>>> Comment.objects.aggregate(boolor=BoolOr(Q(rank__gt=2)))
{'boolor': False}
@@ -160,8 +161,9 @@ General-purpose aggregation functions
class Room(models.Model):
number = models.IntegerField(unique=True)
class HotelReservation(models.Model):
room = models.ForeignKey('Room', on_delete=models.CASCADE)
room = models.ForeignKey("Room", on_delete=models.CASCADE)
start = models.DateTimeField()
end = models.DateTimeField()
requirements = models.JSONField(blank=True, null=True)
@@ -171,10 +173,10 @@ General-purpose aggregation functions
>>> from django.contrib.postgres.aggregates import JSONBAgg
>>> Room.objects.annotate(
... requirements=JSONBAgg(
... 'hotelreservation__requirements',
... ordering='-hotelreservation__start',
... "hotelreservation__requirements",
... ordering="-hotelreservation__start",
... )
... ).filter(requirements__0__sea_view=True).values('number', 'requirements')
... ).filter(requirements__0__sea_view=True).values("number", "requirements")
<QuerySet [{'number': 102, 'requirements': [
{'parking': False, 'sea_view': True, 'double_bed': False},
{'parking': True, 'double_bed': True}
@@ -217,6 +219,7 @@ General-purpose aggregation functions
class Publication(models.Model):
title = models.CharField(max_length=30)
class Article(models.Model):
headline = models.CharField(max_length=100)
publications = models.ManyToManyField(Publication)
@@ -373,11 +376,11 @@ Here's some examples of some of the general-purpose aggregation functions:
.. code-block:: pycon
>>> TestModel.objects.aggregate(result=StringAgg('field1', delimiter=';'))
>>> TestModel.objects.aggregate(result=StringAgg("field1", delimiter=";"))
{'result': 'foo;bar;test'}
>>> TestModel.objects.aggregate(result=ArrayAgg('field2'))
>>> TestModel.objects.aggregate(result=ArrayAgg("field2"))
{'result': [1, 2, 3]}
>>> TestModel.objects.aggregate(result=ArrayAgg('field1'))
>>> TestModel.objects.aggregate(result=ArrayAgg("field1"))
{'result': ['foo', 'bar', 'test']}
The next example shows the usage of statistical aggregate functions. The
@@ -386,8 +389,9 @@ underlying math will be not described (you can read about this, for example, at
.. code-block:: pycon
>>> TestModel.objects.aggregate(count=RegrCount(y='field3', x='field2'))
>>> TestModel.objects.aggregate(count=RegrCount(y="field3", x="field2"))
{'count': 2}
>>> TestModel.objects.aggregate(avgx=RegrAvgX(y='field3', x='field2'),
... avgy=RegrAvgY(y='field3', x='field2'))
>>> TestModel.objects.aggregate(
... avgx=RegrAvgX(y="field3", x="field2"), avgy=RegrAvgY(y="field3", x="field2")
... )
{'avgx': 2, 'avgy': 13}