Re: Functions and transactions

Hmm.. I was trying simplify my function to get the point across with
minimal confusion. If you don't think there is enough detail, let me
know what is lacking and I will add the appropriate detail. The
function is executed BEFORE insert on table1. Thanks again for the help all

Kris

Tom Lane wrote:

>Kris Kiger <kris(at)musicrebellion(dot)com> writes:
>
>
>>Here is my problem. I have a function that is triggered on insert. For
>>simplicity's sake, lets say the function looks like this:
>>
>>
>
>
>
>>CREATE OR REPLACE FUNCTION dostuff_on_insert() RETURNS TRIGGER AS '
>>DECLARE lockrows RECORD;
>>BEGIN
>> select into lockrows * from table1 where pkey_id = NEW.pkey_id for
>>update on table1;
>> update table1 set active = false where NEW.pkey_id = pkey_id and active;
>> NEW.active := true;
>>END;
>>'language 'plpgsql';
>>
>>
>
>This is awfully vague. What table is the trigger placed on? (If table1
>itself, seems like there are more efficient ways to do this.) What
>events is the trigger fired for, and is it BEFORE or AFTER?
>
> regards, tom lane
>
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