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[1.1.X] Fixed #11711 -- clarified that ValuesQuerySets are not lists per se.

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It rarely hurts to think of the returned result from a values() or
values_list() call as a list, but it's really an iterable and sometimes
the difference matters. 

r12743 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12953 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Karen Tracey 2010-04-12 13:28:46 +00:00
parent 6dc0499fe7
commit a67b35a0aa
1 changed files with 6 additions and 6 deletions
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docs/ref/models/querysets.txt
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@ -357,8 +357,8 @@ query spans multiple tables, it's possible to get duplicate results when a
``values(*fields)``
~~~~~~~~~~~~~~~~~~~
Returns a ``ValuesQuerySet`` -- a ``QuerySet`` that evaluates to a list of
dictionaries instead of model-instance objects.
Returns a ``ValuesQuerySet`` -- a ``QuerySet`` that returns dictionaries when
used as an iterable, rather than model-instance objects.
Each of those dictionaries represents an object, with the keys corresponding to
the attribute names of model objects.
@ -442,10 +442,10 @@ individualism.
.. versionadded:: 1.0
This is similar to ``values()`` except that instead of returning a list of
dictionaries, it returns a list of tuples. Each tuple contains the value from
the respective field passed into the ``values_list()`` call -- so the first
item is the first field, etc. For example::
This is similar to ``values()`` except that instead of returning dictionaries,
it returns tuples when iterated over. Each tuple contains the value from the
respective field passed into the ``values_list()`` call -- so the first item is
the first field, etc. For example::
>>> Entry.objects.values_list('id', 'headline')
[(1, u'First entry'), ...]