From: | Robert Treat <xzilla(at)users(dot)sourceforge(dot)net> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Generate user/group sysids from a sequence? |
Date: | 2003-01-17 19:22:25 |
Message-ID: | 1042831345.2124.6.camel@camel |
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Lists: | pgsql-hackers |
Have we decided it's really too difficult to remove all references to a
given sysid when the user is dropped? It seems like we're creating
multiple new problems in an effort to workaround one existing problem.
Robert Treat
On Fri, 2003-01-17 at 12:38, Bruce Momjian wrote:
> Tom Lane wrote:
> > Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > >> This way, we don't need to bother with
> > >> touching the sequence at all during a CREATE USER with explicit sysid.
> >
> > > Well, the problem is that this could still cause the reuse of a deleted
> > > user, no? Wasn't that the problem we were originally trying to solve?
> >
> > Hmm, yeah I guess so. Okay, we do need to compare an explicit SYSID
> > setting to the sequence, and bump up the sequence if it's greater.
> > Annoying, but I guess there's no choice.
>
> Yea, I wished we could have avoided it too, but at least we are removing
> the sequential scan.
>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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