Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> I have a feeling that it could also be done via the "window functions"> feature due to be introduced in 8.4, but I'm not entirely sure how.> Anybody feeling handy with those?
There may be a better way but something like
select * from (select *, rank() over (partition by charge order by coldspot_time desc) as r) where r = 1
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