prefetch is a new feature of mind ya. It uses a look up agregation, and avoids this en plus one problem,. So you just do in your find, you just say, fetch links equals true. And that almus go get the doors, the windows, everything in your house. Exemple ri and i like the the spit of this, like, it's much faster than de itn one by one - absolutely. Is there a way to say, i got, i got 20 houses back? Fetch all their lengths, or to i have to do it is hat, 20 calls.