| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | 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 02:25:12 |
| Message-ID: | CA+TgmoaXuAohxv7T7kKT57eMP4au=uBm5mf_nS7-QyxaoimRmw@mail.gmail.com |
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| Lists: | pgsql-hackers |
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.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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