http://groups.google.com/group/google-appengine/browse_thread/thread/517a9ad5edd263d2/67a5160882462463?lnk=gst&q=are+ids+unique#67a5160882462463
http://code.google.com/appengine/docs/datastore/keysandentitygroups.html#Entity_Groups_Ancestors_and_Paths
Looks like they are unique for a given kind
> You could use the id instead of the key, key().id, then you can get it
> back with just DocModel.get_by_id(id)
>
> You should be able to go straight to the doc without the parent
> account id /doc/12345
>
> I'm not sure you can guarantee id uniqueness across your whole data
> store, but it shoul
Why worry about risk of collision when you can generate relatively
short urls using the Kind string and the id of the entity? Here's one
of the first recipes in the cookbook:
http://appengine-cookbook.appspot.com/recipe/mapping-keys-to-urls
On Jan 11, 5:21 pm, Mahmoud wrote:
> Just create a ra
Just create a random n-character string for each document. Do that in
put() before the entity is saved for the first time. Choose n based on
what risk of collision (two documents having the same randomly
generated slug) is practical. I say n=6 is pretty good.
On Jan 10, 10:24 am, Jesse Grosjean
You could use the id instead of the key, key().id, then you can get it
back with just DocModel.get_by_id(id)
You should be able to go straight to the doc without the parent
account id /doc/12345
I'm not sure you can guarantee id uniqueness across your whole data
store, but it should be unique fo
