|From:||Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>|
|To:||Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>|
|Cc:||Andres Freund <andres(at)anarazel(dot)de>, r(dot)zharkov(at)postgrespro(dot)ru, pgsql-bugs(at)lists(dot)postgresql(dot)org|
|Subject:||Re: BUG #15727: PANIC: cannot abort transaction 295144144, it was already committed|
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On 2019-Apr-02, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> >> 2019-04-01 15:27:38.829 +07  STATEMENT: UPDATE pgbench_accounts SET
> >> abalance = 1 WHERE aid = 1;
> >> 2019-04-01 15:27:38.829 +07  PANIC: cannot abort transaction
> >> 400048276, it was already committed
> > But that's probably a separate issue.
> What that seems to indicate is that the "unexpected table_lock_tuple
> status" error was thrown during commit, which seems pretty odd.
AFAICS this error can only come from ExecDelete(), because the value 1
is TM_Invisible and the other callsites where the "unexpected
table_lock_tuple" error appears use different wording for that one.
Maybe it's the result of a deferred constraint being checked at that
time ... maybe it's trying to honor an "on cascade delete" setting for
an FK, and the affected tuple has already been updated or deleted?
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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