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Re: btree split logic is fragile in the presence of lar ge index items

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>
Cc: "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: btree split logic is fragile in the presence of lar ge index items
Date: 2000-07-27 03:27:09
Message-ID: 200007270327.XAA12355@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
> Note that using TID as part of key would give us additional feature:
> fast heap tuple --> index tuple look up. With this feature vacuum wouldn't
> have to read entire index to delete a few items... and this will be required
> for space re-using without vacuum...

Wow, this seems like a huge win.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)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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