| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Igor Korot <ikorot01(at)gmail(dot)com> |
| Cc: | Francisco Olarte <folarte(at)peoplecall(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Is there a way to be notified on the CREATE TABLE execution? |
| Date: | 2018-06-20 20:02:42 |
| Message-ID: | 20180620200242.zfiwrulsieuyao25@alvherre.pgsql |
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| Thread: | |
| Lists: | pgsql-general |
On 2018-Jun-20, Igor Korot wrote:
> [quote]
> In order to create an event trigger, you must first create a function
> with the special return type event_trigger. This function need not
> (and may not) return a value; the return type serves merely as a
> signal that the function is to be invoked as an event trigger.
> [/quote]
>
> So, the function has to be created and compiled.
Event trigger functions can be written in plpgsql. You can use
pg_event_trigger_ddl_commands() in the ddl_command_end event to obtain a
few tidbits about the DDL that was just executed.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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