Re: event trigger clarification

From: Erik Wienhold <ewie(at)ewie(dot)name>
To: Marc Millas <marc(dot)millas(at)mokadb(dot)com>, "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: event trigger clarification
Date: 2023-08-30 16:18:51
Message-ID: 1721713174.17585.1693412331169@office.mailbox.org
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> On 30/08/2023 17:12 CEST Marc Millas <marc(dot)millas(at)mokadb(dot)com> wrote:
>
> the doc v15 states: " pg_event_trigger_ddl_commands returns a list of DDL
> commands executed by each user action, when invoked in a function attached
> to a ddl_command_end event trigger."
> When some ddl command is executed within a block, I would like to know if the
> event trigger fires when the line is executed or at commit time.

The event trigger fires just before[1]/after[2] executing a complete command.
So not at commit time.

[1] https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/tcop/utility.c;h=6b0a8652622b26887ea2ccd15ced3300e951c5dc#l1120
[2] https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/tcop/utility.c;h=6b0a8652622b26887ea2ccd15ced3300e951c5dc#l1923

--
Erik

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