Sean Chittenden wrote:
>>I found I'm suffering from an effect detailed in a previous thread titled
>>
>> Does "correlation" mislead the optimizer on large tables?
>
>
> I don't know about large tables, but this is a big problem and
> something I'm going to spend some time validating later today. I
> think Manfred's patch is pretty good and certainly better than where
> we are but I haven't used it yet to see if it's the magic ticket for
> many of these index problems.
I had to dig through a lot of archives to find this. Is this the patch,
from last October?
http://members.aon.at/pivot/pg/16-correlation.diff
If so, I'll try it out and report my results.
Ken