diff options
author | Russell Keith-Magee <russell@keith-magee.com> | 2010-02-24 13:57:02 +0000 |
---|---|---|
committer | Russell Keith-Magee <russell@keith-magee.com> | 2010-02-24 13:57:02 +0000 |
commit | 6f9ba54bf5f52e8a5dde06763de60331537e4386 (patch) | |
tree | dd4fe7459d0dd08297e2747718a64549805a722c /docs/topics | |
parent | d7927377703bb2b99702907c448e2195f4801687 (diff) | |
download | django-6f9ba54bf5f52e8a5dde06763de60331537e4386.tar.gz |
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
Diffstat (limited to 'docs/topics')
-rw-r--r-- | docs/topics/db/sql.txt | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/docs/topics/db/sql.txt b/docs/topics/db/sql.txt index b909be938e..5ec048528a 100644 --- a/docs/topics/db/sql.txt +++ b/docs/topics/db/sql.txt @@ -25,8 +25,10 @@ return model instances: .. method:: Manager.raw(raw_query, params=None, translations=None) -This method method takes a raw SQL query, executes it, and returns model -instances. +This method method takes a raw SQL query, executes it, and returns a +:class:`~django.db.models.query.RawQuerySet` instance. This +:class:`~django.db.models.query.RawQuerySet` instance can be iterated +over just like an normal QuerySet to provide object instances. This is best illustrated with an example. Suppose you've got the following model:: @@ -37,8 +39,10 @@ This is best illustrated with an example. Suppose you've got the following model You could then execute custom SQL like so:: - >>> Person.objects.raw('SELECT * from myapp_person') - [<Person: John Doe>, <Person: Jane Doe>, ...] + >>> for p in Person.objects.raw('SELECT * FROM myapp_person'): + ... print p + John Smith + Jane Jones .. admonition:: Model table names @@ -110,7 +114,7 @@ Deferring model fields Fields may also be left out:: - >>> people = Person.objects.raw('SELECT id, first_name FROM myapp_person'): + >>> people = Person.objects.raw('SELECT id, first_name FROM myapp_person') The ``Person`` objects returned by this query will be :ref:`deferred <queryset-defer>` model instances. This means that the fields that are omitted @@ -142,7 +146,7 @@ of people with their ages calculated by the database:: >>> people = Person.objects.raw('SELECT *, age(birth_date) AS age FROM myapp_person') >>> for p in people: - ... print "%s is %s." % (p.first_name, p.age) + ... print "%s is %s." % (p.first_name, p.age) John is 37. Jane is 42. ... |