Re: Postgres Triggers issue

Adrian Klaver wrote:
> On Thursday 11 February 2010 1:57:39 am Albe Laurenz wrote:
>
>> u235sentinel wrote:
>>
>>> I have a strange problem we noticed the other day with
>>> triggers.  We're
>>> running 8.3.3 on Solaris 10 (intel) and have a feed that comes in
>>> regularly to populate a table we're working on.  The feed works just
>>> fine inserting rows however the following trigger stops the feed until
>>> we remove the trigger.  Any thoughts on what I'm doing wrong here?
>>>
>>> Thanks!
>>>
>>> ---
>>>
>>> CREATE OR REPLACE FUNCTION r.m_t()
>>> RETURNS trigger AS
>>> $BODY$
>>> BEGIN
>>>  INSERT INTO temp_m_t VALUES (NEW.*,1+1);
>>> RETURN NULL;
>>> END;
>>> $BODY$
>>> LANGUAGE 'plpgsql';
>>>
>>>
>>> CREATE TRIGGER tafter
>>> AFTER INSERT OR UPDATE
>>> ON r.m_a
>>> FOR EACH ROW
>>> EXECUTE PROCEDURE r.m_t();
>>>
>> What do you mean "stops the feed"?
>>
>> Can you describe the behaviour in database terms?
>> What exactly happens, and how does it differ from what you expect?
>> Are there error messages? If yes, could you quote them?
>>
>> Yours,
>> Laurenz Albe
>>
>
> In addition to the above I am not quite sure about this:
>
> INSERT INTO temp_m_t VALUES (NEW.*,1+1)
>
> Are you trying to have an incrementing number for the last value? As it stands
> you are are always going to get 2 inserted into that field.
>
>
Yes this was intentional for testing purposes.  We were trying to see if
we can do it and it worked.  Now we can get into the really fun stuff :-)

Thanks to all for their help!