Oh, I see. I didn't look carefully at the EXPLAIN ANALYZE I posted.
So, is there a solution to the rank problem?
Benjamin
On Oct 11, 2007, at 8:53 AM, Tom Lane wrote:
Benjamin Arai <[EMAIL PROTECTED]> writes:
It appears that the ORDER BY rank operation is the slowing factor.
If I remove it then the query is pretty fast. Is there another way
to perform ORDER BY such that it does not do a sort?
I think you misunderstood: it's not the sort that's slow, it's the
computation of the rank() values that are inputs to the sort.
regards, tom lane
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