From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Michael Fuhr <mike(at)fuhr(dot)org> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Uninstall script errors |
Date: | 2006-03-06 05:06:28 |
Message-ID: | 200603060506.k2656Si14296@candle.pha.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
Is there any progress on this cleanup?
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Michael Fuhr wrote:
> On Thu, Mar 02, 2006 at 02:49:13PM -0500, Tom Lane wrote:
> > Michael Fuhr <mike(at)fuhr(dot)org> writes:
> > > Would it make sense for DROP TYPE to have some kind of limited
> > > cascade so you could drop a type and its I/O functions at the same
> > > time, but still get an error if other objects depend on the type?
> >
> > Seems pretty ugly. Maybe the thing to do is have a command that somehow
> > reverts a type to the "shell" state, whereupon the deletion sequence can
> > be the exact logical inverse of the creation sequence:
>
> I thought the same thing after the recent commits involving shell
> types and got similarly stuck.
>
> Do people at least agree that a DROP TYPE that works without CASCADE
> would be desirable? The rationale is the same as for other DROP
> commands: drop the object if nothing depends on it, else raise an
> error. That's impossible now because of the circular dependency
> between a type and its I/O functions, which requires the use of
> CASCADE.
>
> --
> Michael Fuhr
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>
--
Bruce Momjian http://candle.pha.pa.us
SRA OSS, Inc. http://www.sraoss.com
+ If your life is a hard drive, Christ can be your backup. +
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