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added on_delete=models.CASCADE to models.ForeignKey in the documentation (#4614)

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Mads Jensen 2016-10-22 17:37:23 +02:00 committed by Tom Christie
parent 3b39d2d13a
commit 8ac524915c
2 changed files with 4 additions and 4 deletions
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6
docs/api-guide/relations.md
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@ -39,7 +39,7 @@ In order to explain the various types of relational fields, we'll use a couple o
artist = models.CharField(max_length=100) artist = models.CharField(max_length=100)
class Track(models.Model): class Track(models.Model):
album = models.ForeignKey(Album, related_name='tracks') album = models.ForeignKey(Album, related_name='tracks', on_delete=models.CASCADE)
order = models.IntegerField() order = models.IntegerField()
title = models.CharField(max_length=100) title = models.CharField(max_length=100)
duration = models.IntegerField() duration = models.IntegerField()
@ -484,7 +484,7 @@ Note that reverse relationships are not automatically included by the `ModelSeri
You'll normally want to ensure that you've set an appropriate `related_name` argument on the relationship, that you can use as the field name. For example: You'll normally want to ensure that you've set an appropriate `related_name` argument on the relationship, that you can use as the field name. For example:
class Track(models.Model): class Track(models.Model):
album = models.ForeignKey(Album, related_name='tracks') album = models.ForeignKey(Album, related_name='tracks', on_delete=models.CASCADE)
... ...
If you have not set a related name for the reverse relationship, you'll need to use the automatically generated related name in the `fields` argument. For example: If you have not set a related name for the reverse relationship, you'll need to use the automatically generated related name in the `fields` argument. For example:
@ -508,7 +508,7 @@ For example, given the following model for a tag, which has a generic relationsh
See: https://docs.djangoproject.com/en/dev/ref/contrib/contenttypes/ See: https://docs.djangoproject.com/en/dev/ref/contrib/contenttypes/
""" """
tag_name = models.SlugField() tag_name = models.SlugField()
content_type = models.ForeignKey(ContentType) content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField() object_id = models.PositiveIntegerField()
tagged_object = GenericForeignKey('content_type', 'object_id') tagged_object = GenericForeignKey('content_type', 'object_id')

2
docs/tutorial/4-authentication-and-permissions.md
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@ -14,7 +14,7 @@ First, let's add a couple of fields. One of those fields will be used to repres
Add the following two fields to the `Snippet` model in `models.py`. Add the following two fields to the `Snippet` model in `models.py`.
owner = models.ForeignKey('auth.User', related_name='snippets') owner = models.ForeignKey('auth.User', related_name='snippets', on_delete=models.CASCADE)
highlighted = models.TextField() highlighted = models.TextField()
We'd also need to make sure that when the model is saved, that we populate the highlighted field, using the `pygments` code highlighting library. We'd also need to make sure that when the model is saved, that we populate the highlighted field, using the `pygments` code highlighting library.