Re: Event Triggers: adding information

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От Thom Brown
Тема Re: Event Triggers: adding information
Дата
Msg-id CAA-aLv647ziy1n3egwt5kbSn176GN5C4yvpnTfoj16Yv3SiO3A@mail.gmail.com
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Ответ на Re: Event Triggers: adding information  (Thom Brown <thom@linux.com>)
Ответы Re: Event Triggers: adding information  (Dimitri Fontaine <dimitri@2ndQuadrant.fr>)
Re: Event Triggers: adding information  (Robert Haas <robertmhaas@gmail.com>)
Список pgsql-hackers
On 22 January 2013 16:28, Thom Brown <thom@linux.com> wrote:
> On 22 January 2013 14:47, Thom Brown <thom@linux.com> wrote:
>
> postgres=# CREATE EVENT TRIGGER cmd_trg_after_any_command ON
> ddl_command_end WHEN TAG IN ('ANY COMMAND') EXECUTE PROCEDURE
> cmd_trg_info();
> CREATE EVENT TRIGGER

I can see why this works now.  The ddl_command_end option stops the
TAG being evaluated:

test2=# CREATE EVENT TRIGGER cmd_trg_before_any_command ON
ddl_command_end WHEN TAG IN ('MEOW LIKE A CAT') EXECUTE PROCEDURE
cmd_trg_info_any();
CREATE EVENT TRIGGER

...unless I've coincidentally stumbled upon the new MEOW LIKE A CAT
command coming in 9.3. ;)

--
Thom



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