I am attempting to distribute the fluid from the process table to its own
table (pipe or equipment) depending on whether the fluid is classified as
op, ip or eq.
I didn't include the after insert trigger as there can't be a trigger until
the ip_op_equipment is updated.
BTW what is TG_OP that you referred to?
Bob
----- Original Message -----
From: "Tomas Vondra" <tv@fuzzy.cz>
To: <pgsql-general@postgresql.org>
Sent: Friday, November 17, 2006 3:34 PM
Subject: Re: [GENERAL] After Update Triggers
>> When I trigger 'after insert' the function doesn't work because the
>> ip_op_equipment condition is an update. When I manually enter directley
>> into the table this trigger works fine when both the fluid and
>> ip_op_equipment are entered as one entry.
>>
>> When I trigger 'after update' every row in the Processes table is
>> inserted into the other tables depending on the conditionals. I end up
>> with multiple inserts of the same information.
>>
>> Is it possible to create a trigger that inserts only one row for each
>> entry?
>
> Hello,
>
> I've read the whole message several times and I have to admit I still
> don't understand what are you trying to do or what is going wrong.
>
> I'm not sure what do you mean by 'when I trigger after insert' - the
> trigger is defined as AFTER UPDATE so naturally it does not fire in case
> of an INSERT.
>
> Anyway the point is you can define the trigger as AFTER INSERT OR UPDATE
> and use TG_OP variable, or maybe define several triggers - one for the
> UPDATE, one for the INSERT.
>
> Tomas
>
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