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Fixed #4214: added a bit of explicit info on updating FK fields to db…

…-api.txt. Thanks, david@kazserve.org.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5437 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 21acccbca25948ba04be05a5d2750d88ffa2fa37 1 parent f6491bf
@jacobian jacobian authored
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  1. +9 −0 docs/db-api.txt
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9 docs/db-api.txt
@@ -134,6 +134,15 @@ the database until you explicitly call ``save()``.
The ``save()`` method has no return value.
+Updating ``ForeignKey`` fields works exactly the same way; simply assign an
+object of the right type to the field in question::
+
+ joe = Author.objects.create(name="Joe")
+ entry.author = joe
+ entry.save()
+
+Django will complain if you try to assign an object of the wrong type.
+
How Django knows to UPDATE vs. INSERT
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