| From: | Nabil Sayegh <nas(at)e-trolley(dot)de> |
|---|---|
| To: | Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> |
| Cc: | Nabil Sayegh <postgresql(at)e-trolley(dot)de>, pgsql-novice <pgsql-novice(at)postgresql(dot)org> |
| Subject: | Re: DISTINCT ... ORDER BY |
| Date: | 2003-11-06 02:03:30 |
| Message-ID: | 3FA9ABF2.1040700@e-trolley.de |
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| Thread: | |
| Lists: | pgsql-novice |
Stephan Szabo wrote:
> You'd have to build a min(boolean) (which I'm sortof surprised isn't
> there) or use a case to convert it into an integer. Or given that it
> looks like you were doing DESC sorts, you'd probably want max().
> DISTINCT ON is a better choice for postgresql, it'll almost certainly be
> faster, but it's not very standard.
Thanks
I've choosen this way and it works like a charm.
cu
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