Changes between Version 16 and Version 17 of QuerysetRefactorBranch

Timestamp:

Apr 27, 2008, 1:07:36 AM (17 years ago)

Author:

Russell Keith-Magee

Comment:

Updated reference to valueslist() to values_list()

QuerysetRefactorBranch

@@ -27 +27 @@
  5. Querysets have a {{{reverse()}}} method that reverses whatever the current ordering is.
  6. The queryset {{{values()}}} method can retrieve fields that are related via a {{{ForeignKey}}} or {{{OneToOneField}}} relation.
- 7. A new {{{valueslist()}}} method has been added to querysets. This is similar to {{{values()}}} except that it returns a list of tuples, rather than a list of dictionaries.
+ 7. A new {{{values_list()}}} method has been added to querysets. This is similar to {{{values()}}} except that it returns a list of tuples, rather than a list of dictionaries.
  8. You can specify a list of related fields to traverse in a {{{select_related()}}} call. This provides a way to select only the related data you are interested in. Only single-valued relations can be selected in this way, however (not {{{ManyToManyFields}}}).
  9. Filtering a queryset by checking if a field attribute is {{{None}}} is equivalent to testing if the corresponding database column is {{{NULL}}}. So {{{qs.filter(foo=None)}}} is now identical to {{{qs.filter(foo__isnull=True)}}}.