Re: DISABLE TRIGGER doc wrong?

From: Pavel Luzanov <p(dot)luzanov(at)postgrespro(dot)ru>
To: Dominique Devienne <ddevienne(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: DISABLE TRIGGER doc wrong?
Date: 2025-08-25 17:13:50
Message-ID: 185dd861-4e5a-47c0-9f2e-84dfa8a406ca@postgrespro.ru
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On 25.08.2025 19:19, Dominique Devienne wrote:
> Fromhttps://www.postgresql.org/docs/current/sql-altertable.html#SQL-ALTERTABLE-DESC-DISABLE-ENABLE-TRIGGER:
>> Disabling or enabling internally generated constraint triggers requires superuser privileges
> We were disabling triggers as the owner of the table just fine, no
> SUPERUSER involved. So is the doc out-of-date?
Simple experiment shows that it is still up to date:

postgres(at)postgres(17.5)=# set session authorization alice;
SET
alice(at)postgres(17.5)=> create table t (id int primary key, parent_id int
references t(id));
CREATE TABLE
alice(at)postgres(17.5)=> select tgname from pg_trigger where tgrelid =
't'::regclass;
             tgname
--------------------------------
 RI_ConstraintTrigger_a_1260370
 RI_ConstraintTrigger_a_1260371
 RI_ConstraintTrigger_c_1260372
 RI_ConstraintTrigger_c_1260373
(4 rows)

alice(at)postgres(17.5)=> alter table t disable trigger
"RI_ConstraintTrigger_a_1260370";
ERROR:  permission denied: "RI_ConstraintTrigger_a_1260370" is a system
trigger
alice(at)postgres(17.5)=> \c - postgres
You are now connected to database "postgres" as user "postgres".
postgres(at)postgres(17.5)=# alter table t disable trigger
"RI_ConstraintTrigger_a_1260370";
ALTER TABLE

--
Pavel Luzanov
Postgres Professional:https://postgrespro.com

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