| From: | Jan Urbański <j(dot)urbanski(at)students(dot)mimuw(dot)edu(dot)pl> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | Postgres - Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: proposal: Preference SQL |
| Date: | 2008-05-31 15:29:20 |
| Message-ID: | 48416ED0.9000206@students.mimuw.edu.pl |
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| Lists: | pgsql-hackers |
Heikki Linnakangas wrote:
> Jan Urbański wrote:
>> SELECT * FROM computers
>> PREFERRING HIGHEST(main_memory) AND HIGHEST(cpu_speed);
>
> This seems similar to the SKYLINE OF patch that was discussed a year (?)
> ago. Are you familiar with that project? Can you summarize the differences?
Oh, I wasn't familiar with it. After reading through the archives - it
it very similar. I guess what some people are calling PREFERRING, others
are calling SKYLINE OF. There may be subtle differences though, I'll
post a comparision after getting some more info on it.
--
Jan Urbanski
GPG key ID: E583D7D2
ouden estin
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