On Wed, Apr 17, 2019 at 10:24:17AM -0400, Tom Lane wrote:
> Fujii Masao <masao.fu...@gmail.com> writes:
> > On Wed, Apr 17, 2019 at 6:21 PM Zhang, Jie <zhangj...@cn.fujitsu.com> wrote:
> >> I think "--" is a illegal option, errors should be prompted.
>
> > This is not the problem only for pg_test_timing. If you want to
> > address this, the patch needs to cover all the client commands
> > like psql, createuser. I'm not sure if it's worth doing that.
>
> I think it might be an actively bad idea. There's a pretty
> widespread convention that "--" is a no-op switch indicating
> the end of switches. At least some of our tools appear to
> honor that behavior (probably because glibc's getopt_long
> does; I do not think we are implementing it ourselves).
Yep, a simple 'ls' on Debian stretch shows it is a common convention:
$ ls --
file1 file2
FYI, 'gcc --' (using Debian 6.3.0-18+deb9u1) does throw an error, so it
is inconsistent.
--
Bruce Momjian <br...@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
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