Tom Lane <[EMAIL PROTECTED]> writes:

> It was 700k rows to sort, not 22k.  

Oops, missed that.

> > The temporary table does need to store three copies of the records at
> > a given time, but still it sounds like an awful lot.
> 
> Huh?

Am I wrong? I thought the disk sort algorithm was the polyphase tape sort from
Knuth which is always reading two tapes and writing to a third.

-- 
greg


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