| From: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Syntax error reporting (was Re: [PATCHES] syntax error |
| Date: | 2004-03-22 16:35:29 |
| Message-ID: | Pine.LNX.4.58.0403221729030.7217@sablons.cri.ensmp.fr |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
> > Maybe I missed something, but it seemed to me that strings are appended
> > on to the other, and there is no way back.
>
> But the string list is not constructed until the error actually occurs.
> You don't need a pop at that point --- the call stack is what it is.
>
> I think you are imagining that outer-level context hooks should be able
> to editorialize on what inner-level ones said (or perhaps vice versa?)
No.
I just missed the "error_context_stack" by focussing on "errcontext()",
which does not managed a stack at all, so I was quite puzzled. Now
it is clearer.
Thanks,
--
Fabien Coelho - coelho(at)cri(dot)ensmp(dot)fr
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