Re: BETWEEN Help
От | Bruce Momjian |
---|---|
Тема | Re: BETWEEN Help |
Дата | |
Msg-id | 200204142356.g3ENuaI16436@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: BETWEEN Help (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: BETWEEN Help
|
Список | pgsql-patches |
Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > Is there special optimizer/index handling needed for BETWEEN that wasn't > > needed before because it was transformed into AND/OR comparisons? > > Yup, that's one place that will need to be taught about it. That was actually a reason I was wondering if it was worth changing our current BETWEEN code. The optimizer already is complicated and trying to do BETWEEN rather than the more simpler statements didn't seem like a win. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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