Re: Using a rule as a trigger.

Andrew Higgs wrote:
>
> Hi all,
>
> I have looked at some previous posting and thought that I had found
> exactly what I need. What I need is to insert an id (from a sequence)
> when a new record is inserted. The following example almost does what I
> need :
>
> CREATE TABLE topics (id int, topic varchar(50), descriotion text);
> CREATE SEQUENCE nextid start 1;
> CREATE RULE ins_topic AS ON INSERT TO topics WHERE id ISNULL DO UPDATE
> topics SET id=nextval('nextid') WHERE id ISNULL;
>
> This example updates the last insert. I need it to update the currnet
> insert. How do I do this?
>
> Kind regards
> Andrew Higgs

Isn't better create the field "id" as "serial" instead "int" ???

this will do what you need.

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