Re: proposed FAQ entry

David Gardner wrote:
> Earlier today I was tempted to start storing usesysid's as foreign keys
> in one of my tables by doing:
> SELECT usesysid FROM pg_user WHERE pg_user.usename= user;
>
> My proposed FAQ entry is based on this mailing list post which convinced
> me not to:
> http://archives.postgresql.org/pgsql-novice/2005-04/msg00328.php
>
>
> So the Question would be:
>
> Q) How do I keep track of edits to a table? OR Can I use store usesysid
> in my table to identify users?
>
> A) No because usesysid values are not guaranteed to remain the same
> after a restore, or upgrade. Instead store the user name as text, if
> needed create your own user table and associate the user names with
> integer keys.

Uh, sorry, this is not a _frequent_ question/issue.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com

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