| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Peter Eisentraut <peter(at)eisentraut(dot)org>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Sergey Shinderuk <s(dot)shinderuk(at)postgrespro(dot)ru>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, dean(dot)a(dot)rasheed(at)gmail(dot)com, er(at)xs4all(dot)nl, joel(at)compiler(dot)org, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Schema variables - new implementation for Postgres 15 |
| Date: | 2024-05-25 01:29:21 |
| Message-ID: | 738069.1716600561@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> we can introduce special safe mode started by
> set enable_direct_variable_read to off;
> and allowing access to variables only by usage dedicated function
> (supported by parser) named like variable or pg_variable
Didn't we learn twenty years ago that GUCs that change query
semantics are an awful idea? Pick a single access method
for these things and stick to it.
regards, tom lane
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