Re: Rules UPDATE

On 8/22/05, Pailloncy Jean-Gerard <jg(at)rilk(dot)com> wrote:
>
> Hi,
>
> With PostgreSQL 7.4.6.
>
> I have a table aaa (id serial, maj timestamp without time zone)
> I defined to function from_timestamp and to_timestamp to do
> conversion between text and timestamp with few checks and tricks.
>
> I defined a view aab (id serial, maj text) as "SELECT id,
> from_timestamp(maj) AS maj FROM aaa;"
> I defined a rule UPDATE on aab as "CREATE RULE aab_update AS ON
> UPDATE TO aab DO INSTEAD UPDATE aaa SET id = new.id <http://new.id>, maj =
> to_timestamp(new.maj);"

add the foll. where condition in rule
where id=new.id <http://new.id>

Now, when I do
> UPDATE aab SET maj='1990-00-00' WHERE id<9
> all the rows of aaa are updated. The condition "id<9" is not used.
>
> Any help is welcome.
>
> Cordialement,
> Jean-Gérard Pailloncy
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>

--
with regards,
S.Gnanavel
Satyam Computer Services Ltd.