Re: 2 questions about volatile attribute of pg_proc. - Mailing list pgsql-hackers

From Tom Lane
Subject Re: 2 questions about volatile attribute of pg_proc.
Date
Msg-id 7201.1618762094@sss.pgh.pa.us
Whole thread Raw
In response to Re: 2 questions about volatile attribute of pg_proc.  (Isaac Morland <isaac.morland@gmail.com>)
Responses Re: 2 questions about volatile attribute of pg_proc.  ("David G. Johnston" <david.g.johnston@gmail.com>)
List pgsql-hackers
Isaac Morland <isaac.morland@gmail.com> writes:
> On Sun, 18 Apr 2021 at 11:36, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Are you familiar with the halting problem?  I don't see any meaningful
>> difference here.

> I think what is being suggested is akin to type checking, not solving the
> halting problem.

Yeah, on further thought we'd be satisfied with a conservative
approximation, so that removes the theoretical-impossibility objection.
Still, there are a lot of remaining problems, as you note.

            regards, tom lane



pgsql-hackers by date:

Previous
From: Isaac Morland
Date:
Subject: Re: 2 questions about volatile attribute of pg_proc.
Next
From: "David G. Johnston"
Date:
Subject: Re: 2 questions about volatile attribute of pg_proc.