Em 28 de junho de 2011 20:15, Dickson S. Guedes <[email protected]>escreveu:

>
> Uma outra seria:
>
> SELECT i
> FROM generate_series(1,(SELECT max(v) FROM foo)) AS i
> LEFT JOIN foo ON (v = i)
> WHERE v IS NULL;
>
>

Ou ainda:

SELECT i
FROM generate_series(1,(SELECT max(v) FROM foo)) AS i
WHERE NOT EXISTS (SELECT 1 FROM foo WHERE v = i)


;-)

-- 
Fabrízio de Royes Mello
>> Blog sobre TI: http://fabriziomello.blogspot.com
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