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Code Issues 32 Releases Wiki Activity

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

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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
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36
docs/ref/contrib/postgres/constraints.txt
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@@ -47,9 +47,9 @@ second element is an SQL operator represented as a string. To avoid typos, you
may use :class:`~django.contrib.postgres.fields.RangeOperators` which maps the
operators with strings. For example::
expressions=[
('timespan', RangeOperators.ADJACENT_TO),
(F('room'), RangeOperators.EQUAL),
expressions = [
("timespan", RangeOperators.ADJACENT_TO),
(F("room"), RangeOperators.EQUAL),
]
.. admonition:: Restrictions on operators.
@@ -60,8 +60,8 @@ The :class:`OpClass() <django.contrib.postgres.indexes.OpClass>` expression can
be used to specify a custom `operator class`_ for the constraint expressions.
For example::
expressions=[
(OpClass('circle', name='circle_ops'), RangeOperators.OVERLAPS),
expressions = [
(OpClass("circle", name="circle_ops"), RangeOperators.OVERLAPS),
]
creates an exclusion constraint on ``circle`` using ``circle_ops``.
@@ -103,9 +103,9 @@ are ``Deferrable.DEFERRED`` or ``Deferrable.IMMEDIATE``. For example::
ExclusionConstraint(
name='exclude_overlapping_deferred',
name="exclude_overlapping_deferred",
expressions=[
('timespan', RangeOperators.OVERLAPS),
("timespan", RangeOperators.OVERLAPS),
],
deferrable=Deferrable.DEFERRED,
)
@@ -161,22 +161,23 @@ taking canceled reservations into account::
from django.db import models
from django.db.models import Q
class Room(models.Model):
number = models.IntegerField()
class Reservation(models.Model):
room = models.ForeignKey('Room', on_delete=models.CASCADE)
room = models.ForeignKey("Room", on_delete=models.CASCADE)
timespan = DateTimeRangeField()
cancelled = models.BooleanField(default=False)
class Meta:
constraints = [
ExclusionConstraint(
name='exclude_overlapping_reservations',
name="exclude_overlapping_reservations",
expressions=[
('timespan', RangeOperators.OVERLAPS),
('room', RangeOperators.EQUAL),
("timespan", RangeOperators.OVERLAPS),
("room", RangeOperators.EQUAL),
],
condition=Q(cancelled=False),
),
@@ -202,12 +203,12 @@ current/rangetypes.html#RANGETYPES-INCLUSIVITY>`_. For example::
class TsTzRange(Func):
function = 'TSTZRANGE'
function = "TSTZRANGE"
output_field = DateTimeRangeField()
class Reservation(models.Model):
room = models.ForeignKey('Room', on_delete=models.CASCADE)
room = models.ForeignKey("Room", on_delete=models.CASCADE)
start = models.DateTimeField()
end = models.DateTimeField()
cancelled = models.BooleanField(default=False)
@@ -215,10 +216,13 @@ current/rangetypes.html#RANGETYPES-INCLUSIVITY>`_. For example::
class Meta:
constraints = [
ExclusionConstraint(
name='exclude_overlapping_reservations',
name="exclude_overlapping_reservations",
expressions=[
(TsTzRange('start', 'end', RangeBoundary()), RangeOperators.OVERLAPS),
('room', RangeOperators.EQUAL),
(
TsTzRange("start", "end", RangeBoundary()),
RangeOperators.OVERLAPS,
),
("room", RangeOperators.EQUAL),
],
condition=Q(cancelled=False),
),