| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Amul Sul <sulamul(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Joe Conway <mail(at)joeconway(dot)com>, Nikita Glukhov <n(dot)gluhov(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Error-safe user functions |
| Date: | 2022-12-19 21:27:00 |
| Message-ID: | 1028325.1671485220@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Dec 19, 2022 at 11:44 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> ... I guess you didn't read my remarks upthread about regtypein.
>> I do not want to try to make gram.y+scan.l non-error-throwing.
> Huh, for some reason I'm not seeing an email about that. Do you have a link?
In [1] I wrote
>>> I'm a little concerned about the cost-benefit of fixing the reg* types.
>>> The ones that accept type names actually use the core grammar to parse
>>> those. Now, we probably could fix the grammar to be non-throwing, but
>>> it'd be very invasive and I'm not sure about the performance impact.
>>> It might be best to content ourselves with soft reporting of lookup
>>> failures, as opposed to syntax problems.
regards, tom lane
[1] https://www.postgresql.org/message-id/1863335.1670783397%40sss.pgh.pa.us
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