Re: UPDATE & LIMIT together?

You have to use a subquery returning the tables primary key to the
UPDATE:

UPDATE tab SET x=1
WHERE (primkey, col) IN (
SELECT primkey,col FROM tab
ORDER BY col
LIMIT 10)

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tp wrote:
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> Hi
>
> I want to SELECT at max. 10 rows and SET a variable for the
> select 10 rows with the same query.
>
> Under mysql i can use:
> UPDATE table SET uniq_iq=12345 LIMIT 10
> SELECT * FROM table WHERE uniq_id=1234;
>
> This is not supported by postgres.
>
> Is there some easy solution that does not require locking?
>
>
> -tp
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