| From: | David Fetter <david(at)fetter(dot)org> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Greg Stark <stark(at)mit(dot)edu>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Thinking about EXPLAIN ALTER TABLE |
| Date: | 2018-12-11 04:34:54 |
| Message-ID: | 20181211043454.GD416@fetter.org |
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| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Dec 11, 2018 at 11:25:12AM +0900, Robert Haas wrote:
> On Tue, Dec 11, 2018 at 1:32 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> > > I suggest ALTER TABLE should respond to a parameter setting of ddl_dry_run
> > > = on, so the whole world doesn't need to rewrite its syntax to support the
> > > new option.
> >
> > We were just busy shooting down a different suggestion of
> > behavior-changing GUCs. A GUC that turns all ALTERs into no-ops
> > sure seems like a foot-gun to me.
>
> Yeah, I like EXPLAIN better.
+1 for EXPLAIN
Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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