Re: AW: [HACKERS] OR clause status report
От | Bruce Momjian |
---|---|
Тема | Re: AW: [HACKERS] OR clause status report |
Дата | |
Msg-id | 199807311432.KAA24669@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: AW: [HACKERS] OR clause status report (Vadim Mikheev <vadim@krs.ru>) |
Список | pgsql-hackers |
> Andreas Zeugswetter wrote: > > > > Vadim wrote: > > >Bruce Momjian wrote: > > >> > > >> I have succeeded in making OR clauses use indexes. I have not dealt > > >> with some of the more complex issues like x=3 or y=5 as Vadim mentioned, > > >> but at least it works. > > >> > > >> test=> select * from test where x=102532 or x=102533; > > > > > >But did you care about the case when two indices (on test(x) and > > >on test(y)) exist ? > > > > Do you mean using two indices in one access plan, or the decision which index to use ? > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > This. Yes. I still need to run some tests. Just wanted people to know I had gotten the trivial case working so far. -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)
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