Fixed #12519 -- Corrected documentation on .raw() queries. Thanks to boralyl for the report and patch.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@12561 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -25,8 +25,10 @@ return model instances:
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.. method:: Manager.raw(raw_query, params=None, translations=None)
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This method method takes a raw SQL query, executes it, and returns model
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instances.
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This method method takes a raw SQL query, executes it, and returns a
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:class:`~django.db.models.query.RawQuerySet` instance. This
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:class:`~django.db.models.query.RawQuerySet` instance can be iterated
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over just like an normal QuerySet to provide object instances.
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This is best illustrated with an example. Suppose you've got the following model::
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@ -37,8 +39,10 @@ This is best illustrated with an example. Suppose you've got the following model
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You could then execute custom SQL like so::
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>>> Person.objects.raw('SELECT * from myapp_person')
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[<Person: John Doe>, <Person: Jane Doe>, ...]
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>>> for p in Person.objects.raw('SELECT * FROM myapp_person'):
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... print p
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John Smith
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Jane Jones
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.. admonition:: Model table names
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@ -110,7 +114,7 @@ Deferring model fields
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Fields may also be left out::
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>>> people = Person.objects.raw('SELECT id, first_name FROM myapp_person'):
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>>> people = Person.objects.raw('SELECT id, first_name FROM myapp_person')
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The ``Person`` objects returned by this query will be :ref:`deferred
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<queryset-defer>` model instances. This means that the fields that are omitted
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@ -142,7 +146,7 @@ of people with their ages calculated by the database::
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>>> people = Person.objects.raw('SELECT *, age(birth_date) AS age FROM myapp_person')
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>>> for p in people:
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... print "%s is %s." % (p.first_name, p.age)
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... print "%s is %s." % (p.first_name, p.age)
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John is 37.
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Jane is 42.
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...
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