Well where else do users have public profiles? | Hacker News

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		nish__ 3 days ago \| parent \| context \| favorite \| on: Avoid UUID Version 4 Primary Keys in Postgres Well where else do users have public profiles?

0x3f 3 days ago [–]

The whole point though is that the ID itself leaks info, even if the profile is not public. There are many cases where you reference an object as a foreign key, even if you can't see the entire record of that foreign key.

nish__ 2 days ago | [–]

I can't think of any.

strbean 2 days ago | | [–]

Sending a friend request is an obvious example.

nish__ 12 hours ago | | [–]

Ok but in that case, why not use the user ID as the primary key?

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