my_fruit.apple_plant.fruit_set.all().update(weird_plant = weird_plant)
cheers.
On Mar 8, 7:22 pm, Sentenza wrote:
> Hi,
>
> i'd like to hang some fruits belonging to an 'apple plant' also onto
> another 'weird plant' -- for this i'm iterating over all fruits on the
> apple plant, like this (i'm starting with one apple as my_fruit):
>
> for more_fruit in my_fruit.apple_plant.fruit_set.all():
> weird_plant.fruit_set.add(more_fruit)
>
> unfortunately i cannot add them in one go:
>
> weird_plant.fruit_set.add(my_fruit.apple_plant.fruit_set.all())
>
> i also tried .add(list(..))
>
> in raw sql this would be done as in:
> UPDATE fruit SET weird_plant_id = %s WHERE apple_plant_id = %s,
> [weird_plant.id, my_fruit.apple_plant_id]
>
> do i really have to loop over the items in _set?
>
> thanks!
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