Re: Clarify how triggers relate to transactions

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От Laurenz Albe
Тема Re: Clarify how triggers relate to transactions
Дата
Msg-id 62219f2ce78faf09687d998f347c518b3c08d067.camel@cybertec.at
обсуждение исходный текст
Ответ на Re: Clarify how triggers relate to transactions  (Laurenz Albe <laurenz.albe@cybertec.at>)
Ответы Re: Clarify how triggers relate to transactions  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-docs
On Wed, 2021-04-28 at 13:24 +0200, Laurenz Albe wrote:
> On Tue, 2021-04-27 at 14:26 +0000, PG Doc comments form wrote:
> > 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

Here is a proposed patch for this.

Yours,
Laurenz Albe

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