On 22 January 2013 13:28, Dimitri Fontaine <dimi...@2ndquadrant.fr> wrote:
> Thom Brown <t...@linux.com> writes:
>> Would it be desirable to have ddl_command_success and
>> ddl_command_failed events. These would effectively be subsets to
>
> No, because you can't run any SQL in a failed transaction.
Okay, I had misunderstood something someone wrote previously, and that
makes sense now.
>> This, unfortunately, introducing awkwardness with the WHEN clause
>> restriction which doesn't accommodate simple equality. And looking at
>> the IN part of the syntax, it looks awful: WHEN TAG IN ('DROP
>> SEQUENCE' AND 'CREATE TABLE').
>
> The syntax is using a comma, not an "AND", as seen in the tests:
>
> create event trigger regress_event_trigger2 on ddl_command_start
> when tag in ('create table', 'CREATE FUNCTION')
> execute procedure test_event_trigger();
Ah, in that case, the docs are wrong:
http://www.postgresql.org/docs/devel/static/sql-createeventtrigger.html
--
Thom
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