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Diffstat (limited to 'docs/intro/tutorial01.txt')
| -rw-r--r-- | docs/intro/tutorial01.txt | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/docs/intro/tutorial01.txt b/docs/intro/tutorial01.txt index 56a068ff1f..9b0c820380 100644 --- a/docs/intro/tutorial01.txt +++ b/docs/intro/tutorial01.txt @@ -146,7 +146,7 @@ purely in Python. We've included this with Django so you can develop things rapidly, without having to deal with configuring a production server -- such as Apache -- until you're ready for production. -Now's a good time to note: DON'T use this server in anything resembling a +Now's a good time to note: **Don't** use this server in anything resembling a production environment. It's intended only for use while developing. (We're in the business of making Web frameworks, not Web servers.) @@ -354,7 +354,7 @@ These concepts are represented by simple Python classes. Edit the class Choice(models.Model): poll = models.ForeignKey(Poll) choice_text = models.CharField(max_length=200) - votes = models.IntegerField() + votes = models.IntegerField(default=0) The code is straightforward. Each model is represented by a class that subclasses :class:`django.db.models.Model`. Each model has a number of class @@ -377,11 +377,15 @@ example, we've only defined a human-readable name for ``Poll.pub_date``. For all other fields in this model, the field's machine-readable name will suffice as its human-readable name. -Some :class:`~django.db.models.Field` classes have required elements. +Some :class:`~django.db.models.Field` classes have required arguments. :class:`~django.db.models.CharField`, for example, requires that you give it a :attr:`~django.db.models.CharField.max_length`. That's used not only in the database schema, but in validation, as we'll soon see. +A :class:`~django.db.models.Field` can also have various optional arguments; in +this case, we've set the :attr:`~django.db.models.Field.default` value of +``votes`` to 0. + Finally, note a relationship is defined, using :class:`~django.db.models.ForeignKey`. That tells Django each ``Choice`` is related to a single ``Poll``. Django supports all the common database relationships: |