On Mon, Jul 1, 2013 at 12:32 PM, Robert Haas <robertmh...@gmail.com> wrote:
>> I have been reading the recent discussion and was researching a bit, and I 
>> think that we should really go with the idea of randomising the input 
>> data(if it is not completely presorted), to ensure that we do not get 
>> quadratic complexity.
> That doesn't ensure any such thing.  It just makes it less likely.
> But we have existing guards that also make that unlikely, so I'm not
> sure what we'd be gaining.


Peter Geoghegan

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