[Zope] Strange problem about Catalog

[Dieter Maurer]

Star War wrote at 2004-2-26 15:30 -0800:
> ...
>BTW, I figured out what caused my pages very slow. The
>orignial designer put <dtml-in Catalog size=1 sort=...
>reverse> to get Last-Modified Date. After I
>recataloged, about 1,700 items in catalog, this
>statements takes about 6 seconds in the server. I have
>changed it into <dtml-in "Catalog(..., sort_on=...,
>sort_order=...)" size=1>, it just takes 2 seconds. I'm
>not sure if it is normal. Does somebody has a better
>way to get the lastest date?

Casey recently implemented a "limit" option for
"searchResults". It can drastically bring down
sorting time (from "O(n log(n))" to "O(n)").
Using "limit=1" is essentially equivalent to the
loop proposed in a different message.

-- 
Dieter