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Re: WIP: Fast GiST index build

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WIP: Fast GiST index build
Date: 2011-07-28 21:10:21
Message-ID: 4E31D03D.70206@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On 28.07.2011 23:57, Alexander Korotkov wrote:
> On Tue, Jul 26, 2011 at 9:24 PM, Heikki Linnakangas<
> heikki(dot)linnakangas(at)enterprisedb(dot)com>  wrote:
>>
>> Let me know if you have questions on the approach taken.
>
>
> I realized that approach which comes as replace to loaded-subtrees keeping
> is unclear to me. We save paths between node buffers. But those paths can
> become invalid on page splits. It seems to me that approximately same volume
> of code for maintaining parent links should be added to this version of
> patch in order to get it working correctly.

gistFindCorrectParent() should take care of that.

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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Subject: Re: cheaper snapshots
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Subject: Re: WIP: Fast GiST index build

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