Re: [PATCHES] Index creation takes for ever
От | Bruce Momjian |
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Тема | Re: [PATCHES] Index creation takes for ever |
Дата | |
Msg-id | 200403170218.i2H2IDE19552@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [PATCHES] Index creation takes for ever (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: [PATCHES] Index creation takes for ever
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Список | pgsql-hackers |
Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > If I remember correctly, you didn't like the index routines reading the > > tuple information, or something like that, but there was a performance > > benefit for duplicate keys, so I think we should re-investigate this. > > I don't see the actual patch either in the hackers or patches archives, > nor on your to-apply pages, making it a bit difficult to re-investigate. > Where was it posted anyway? Found it: http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=200312010450.hB14ovH16330%40candle.pha.pa.us&rnum=8 Personally, because frequently accessed duplicates appear more forward in the duplicate index, I think the sorting is only valuable when creating a new index. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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