At 04:08 PM 10/03/2004, Tom Lane wrote:
None at the moment, but I'm open to suggestions. It seems like we might
need different stats for equality probes than range probes.
What about my suggestion from August 2000:
"There might be a way to side-step the issue here. I assume that
the index
Alexey Nalbat <[EMAIL PROTECTED]> writes:
> Due to the updating algorithm the physical order of tuples in the
> table happens to be such that all equal keys are placed together,
> but not ordered globally.
Hmm... this is of course a weak spot of the correlation-based estimation
method. If you wer
Hello.
I have a table of 2'500'000 tuples and 100'000 pages, and an index
on non-unique field, to each key value corresponds approximately
50'000 tuples.
Due to the updating algorithm the physical order of tuples in the
table happens to be such that all equal keys are placed together,
but not ord