| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: knngist - 0.8 |
| Date: | 2010-10-19 15:43:31 |
| Message-ID: | 4CBDBCA3.6040602@sigaev.ru |
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| Thread: | |
| Lists: | pgsql-hackers |
> combination of parameters is one that it can handle. I'm thinking
> perhaps in lieu of a boolean, we can add another indexam method which,
> if not InvalidOid, gets called when we're wondering about whether a
> given clause is something that the index can order by. Although
> knngist focuses on a the ORDER BY col OP constant case, which
Hmm, interesting idea. To be more general, amcanorder (without byop suffix)
could be eliminated too.
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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