Django

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Ticket #5068: 5068.patch

File 5068.patch, 0.8 kB (added by Collin Grady <cgrady@the-magi.us>, 1 year ago)

  • docs/db-api.txt

    old new  
    207207 
    208208The ``save()`` method has no return value. 
    209209 
    210 Updating ``ForeignKey`` fields works exactly the same way; simply assign an 
    211 object of the right type to the field in question:: 
     210Updating a ``ManyToManyField`` works a little different; use the ``add()`` 
     211method on the field to add a record to the relation:: 
    212212 
    213213    joe = Author.objects.create(name="Joe") 
    214     entry.author = joe 
    215     entry.save() 
     214    entry.authors.add(joe) 
    216215 
    217 Django will complain if you try to assign an object of the wrong type. 
     216Django will complain if you try to add an object of the wrong type. 
    218217 
    219218How Django knows to UPDATE vs. INSERT 
    220219-------------------------------------