Re: Trigger for Truncate event
От | Jignesh Shah |
---|---|
Тема | Re: Trigger for Truncate event |
Дата | |
Msg-id | c11950270908270107u5382b0a8x45c822bcff4381e2@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Trigger for Truncate event ("A. Kretschmer" <andreas.kretschmer@schollglas.com>) |
Ответы |
Re: Trigger for Truncate event
|
Список | pgsql-novice |
Thanks Kretschmer. Could you tell me what "return new" meant for?
Thanks,
Jigensh
On Thu, Aug 27, 2009 at 12:47 PM, A. Kretschmer <andreas.kretschmer@schollglas.com> wrote:
In response to Jignesh Shah :> Hi,test=# create table jignesh (i int);
>
> Could any one please point me to TRUNCATE trigger PostgreSQL example?
>
> Thanks,
CREATE TABLE
test=*# create function trg_jignesh() returns trigger as $$begin raise notice 'in the function'; return new; end;$$ language plpgsql;
CREATE FUNCTION
test=*# create trigger trg1 before truncate on jignesh for each statement execute procedure trg_jignesh();
CREATE TRIGGER
test=*# create trigger trg2 after truncate on jignesh for each statement execute procedure trg_jignesh();
CREATE TRIGGER
test=*# truncate jignesh ;
NOTICE: in the function
NOTICE: in the function
TRUNCATE TABLE
ROLLBACK, Andreas
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