| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | mac_man2005(at)hotmail(dot)it, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Replacement Selection |
| Date: | 2007-11-26 17:00:46 |
| Message-ID: | 15888.1196096446@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> mac_man2005(at)hotmail(dot)it wrote:
>> Unfortunately I'm lost into the code... any good soul helping me to
>> understand what should be the precise part to be modified?
> I think you should print the file and read it several times until you
> understand what's going on. Then you can start thinking where and how
> to modify it.
Also, go find a copy of Knuth volume 3, because a whole lot of the
comments assume you've read Knuth's discussion of external sorting.
regards, tom lane
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