Re: Clarify how triggers relate to transactions

Laurenz Albe <laurenz.albe@cybertec.at>

From: Laurenz Albe <laurenz.albe@cybertec.at>
To: him@nathanmlong.com, pgsql-docs@lists.postgresql.org
Date: 2021-04-28T11:24:53Z
Lists: pgsql-hackers, pgsql-docs
On Tue, 2021-04-27 at 14:26 +0000, PG Doc comments form wrote:
> The following documentation comment has been logged on the website:
> 
> Page: https://www.postgresql.org/docs/13/sql-createtrigger.html
> Description:
> 
> https://www.postgresql.org/docs/current/sql-createtrigger.html mentions the
> word "transaction" only once, in reference specifically to constraint
> triggers: "They can be fired either at the end of the statement causing the
> triggering event, or at the end of the containing transaction; in the latter
> case they are said to be deferred."
> 
> If I understand correctly, it would be helpful to add this sentence or a
> corrected version of it: "Triggers always execute in the same transaction as
> the triggering event, and if a trigger fails, the transaction is rolled
> back."

Good idea in principle, but I'd put that information on
https://www.postgresql.org/docs/current/trigger-definition.html

Yours,
Laurenz Albe




Commits

  1. Doc: clarify how triggers relate to transactions.