Re: ISN extension - wrong volatility level for isn_weak() function

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Viktor Holmberg <v(at)viktorh(dot)net>
Cc: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: ISN extension - wrong volatility level for isn_weak() function
Date: 2025-03-14 13:29:55
Message-ID: 51C655A4-46FB-4A40-BAE5-26A76B31D3EE@yesql.se
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs

> On 14 Mar 2025, at 12:49, Viktor Holmberg <v(at)viktorh(dot)net> wrote:
>
> Hello. Apologies if this is not the right place to bug report extensions

For an extension bundled in postgres contrib it's absolutely the right place.

> The isn_weak function in the isn extension reports the wrong value if you look at it inside a transaction:

> I can manually fix this by changing it to STABLE:
>
> ALTER FUNCTION isn_weak() STABLE;
>
> Am I missing something or isn’t this quite weird? Would it at least be possible to change the documentation to explain this?

I wonder if this should really be marked VOLATILE instead as it has a side
effect.

--
Daniel Gustafsson

In response to

Responses

Browse pgsql-bugs by date

  From Date Subject
Next Message David G. Johnston 2025-03-14 13:48:35 Re: BUG #18846: Incorrect Filtering Behavior with FULL OUTER JOIN and WHERE Condition
Previous Message Viktor Holmberg 2025-03-14 11:49:06 ISN extension - wrong volatility level for isn_weak() function