Why not generate a small ammount of letters and numbers and check it's
existence agains the database? If nothing is found you just got a
unique small "hash" and you can save it in any field of the document.
--
Att,
Alan Hoffmeister


2013/5/28 Ryan Schmidt <[email protected]>:
> I'm using mongodb with mongoose, and using normal mongodb objectids as my 
> primary key. I like objectids but in URLs they're a bit long, and I'd like to 
> use something shorter.
>
> I've seen modules like shortid which generate shorter strings, but I'm not 
> convinced of their uniqueness. I am convinced of the uniqueness of objectids 
> and would like to find a way to just compress them down a bit. Then I found 
> the module hashids, which is able to do just that.
>
> Now the question is: how do I best incorporate hashids into my models? Do I 
> somehow override each model's id property so that it's automatically 
> converted into a hashid right after reading from the database and converted 
> back to an objectid right before saving? Or do I make a virtual field "myid" 
> or something? How have others handled this?
>
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