Re: Thinking about EXPLAIN ALTER TABLE

On Tue, Dec 11, 2018 at 1:32 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Simon Riggs <simon@2ndquadrant.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
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