| From: | Shinya Kato <shinya11(dot)kato(at)gmail(dot)com> |
|---|---|
| To: | Álvaro Herrera <alvherre(at)kurilemu(dot)de> |
| Cc: | pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Use pg_current_xact_id() instead of deprecated txid_current() |
| Date: | 2026-02-08 12:27:10 |
| Message-ID: | CAOzEurRVzxEDKgXc4BF4tnMXpKt2TNW9K4wDNTQyuj-E0OtiZA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Feb 8, 2026 at 7:50 PM Álvaro Herrera <alvherre(at)kurilemu(dot)de> wrote:
>
> On 2026-02-08, Shinya Kato wrote:
>
> > Since pg_current_xact_id() returns xid8 which does not support
> > arithmetic operators, places that need "xid + 1" cast the result via
> > ::text::bigint first.
>
> I think it may be better to add some operators, or was there a rationale for these not being there?
Thank you for your comment!
I don't have a strong opinion on this, but according to [0], xid8 was
intentionally designed not to support arithmetic.
--
Best regards,
Shinya Kato
NTT OSS Center
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