| From: | Corey Huinker <corey(dot)huinker(at)gmail(dot)com> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Greg Stark <stark(at)mit(dot)edu>, Erik Rijkers <er(at)xs4all(dot)nl>, Robert Haas <robertmhaas(at)gmail(dot)com>, Daniel Verite <daniel(at)manitou-mail(dot)org>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, PostgreSQL <pgsql-hackers(at)postgresql(dot)org>, pgsql-hackers-owner(at)postgresql(dot)org |
| Subject: | Re: \if, \elseif, \else, \endif (was Re: PSQL commands: \quit_if, \quit_unless) |
| Date: | 2017-03-12 17:12:49 |
| Message-ID: | CADkLM=dez7vVv80fFOr_MFsJcVZM9AOcRUDGUFpRX87OwU7b6w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Mar 12, 2017 at 1:52 AM, David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
> Oddly, Corey was using you as support for this position...though without
an actual quote:
>
> """
Reading this, I started to wonder "so how did I get that impression?" and I
found this from Feb 9:
IMO, an erroneous backslash command should have no effect, period.
"It failed but we'll treat it as if it were valid" is a rathole
I don't want to descend into. It's particularly bad in interactive
mode, because the most natural thing to do is correct your spelling
and issue the command again --- but if psql already decided to do
something on the strength of the mistaken command, that doesn't work,
and you'll have to do something or other to unwind the unwanted
control state before you can get back to what you meant to do.
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