>>>>> Tobias Vesterlund writes:
[…]
> If I do SELECT max(id) FROM t; it will return 99.
> If I do SELECT id FROM t WHERE id > 0 LIMIT 10; it will return
> 1,2,3,4,5,6,7,8,9,10
> But If I do SELECT max(id) FROM t WHERE id > 0 LIMIT 10; it will
> return 99.
> My logic, which may be flawed in this case, tells me the third SELECT
> should return 10 and not 99.
LIMIT applies /after/ the aggregation. Consider, e. g., using
GROUP BY, and then selecting no more than 10 groups' maximums.
> Is it possible to get the highest value in a "limited column" when
> using LIMIT?
Sure.
SELECT max (id) FROM (SELECT id FROM t WHERE id > 0 LIMIT 10);
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