Re: How to get a notification

Hi, Adrian,

On Fri, Feb 7, 2025 at 11:07 AM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> wrote:
>
> On 2/5/25 23:21, Igor Korot wrote:
> > Hi, ALL,
> > In my code I'm running following:
> >
> > queries.push_back( L"CREATE FUNCTION
> > __watch_schema_changes() RETURNS event_trigger LANGUAGE plpgsql AS $$
> > BEGIN NOTIFY tg_tag; END; $$;" );
> > queries.push_back( L"CREATE EVENT TRIGGER
> > schema_change_notify ON ddl_command_end WHEN TAG IN(\'CREATE TABLE\',
> > \'ALTER TABLE\', \'DROP TABLE\', \'CREATE INDEX\', \'DROP INDEX\')
> > EXECUTE PROCEDURE __watch_schema_changes();" );
> >
> > My questions are:
> > 1 Is there a better way to get notification about CREATE/ALTER/DROP TABLE?
>
> An alternate solution:
>
> https://www.pgaudit.org/
>
> Whether it is better or not is something you will need to decide.
>
> > 2. How do I receive notification abut the event with the object name?
>
> Use information from here?:
>
> https://www.postgresql.org/docs/current/functions-event-triggers.html#PG-EVENT-TRIGGER-DDL-COMMAND-END-FUNCTIONS

Thx for the link
So basically all I need to do is to call

SELECT pg_event_trigger_ddl_commands ()

right?

In both ODBC amd libpq interfaces?

Thank you.

>
> >
> > Thank you.
> >
> >
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>