The whole point though is that the ID itself leaks info, even if the profile is ... | Hacker News

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		0x3f 28 days ago \| parent \| context \| favorite \| on: Avoid UUID Version 4 Primary Keys in Postgres 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__ 28 days ago [–]

I can't think of any.

strbean 28 days ago | [–]

Sending a friend request is an obvious example.

nish__ 26 days ago | | [–]

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

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