> The psort() code is designed for sorts that would clearly fill the
> shared buffer pool and disk buffer pool. It takes a multi-megabyte
> ORDER BY to do that on my machine.
>
> And I am using a Barracuda Ultra drive with tagged queueing doing 7
> Mbytes/second transfers, so I am not testing this on a slow drive when I
> report 0.23 seconds to sort one row.
I have looked over the Mariposa psort() code, and it does prevent the
copying of data into a temp. table.
However, it still has problems.
mktemp's, creates, opens, closes. unlinks seven files every time
stores sorted results in file, rather than in memory if possible
- --
Bruce Momjian
maillist@candle.pha.pa.us
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