From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Stefan Keller <sfkeller(at)gmail(dot)com> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: WIP: Fast GiST index build |
Date: | 2011-09-14 12:12:15 |
Message-ID: | CA+TgmoZfW9CZF_VQKxhcP4pGA0+ezAxmY3OufH82sY4iVATx2Q@mail.gmail.com |
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Lists: | pgsql-hackers |
On Tue, Sep 13, 2011 at 5:00 PM, Stefan Keller <sfkeller(at)gmail(dot)com> wrote:
> 2011/9/6 Alexander Korotkov <aekorotkov(at)gmail(dot)com>:
>> GiST use serial numbers of operations for concurrency. In current
>> implementation xlog record ids are used in capacity of that numbers. In
>> unlogged table no xlog records are produced. So, we haven't serial numbers
>> of operations. AFAIK, it's enough to provide some other source of serial
>> number in order to make GiST work with unlogged tables.
>
> GiST is IMHO quite broadly used. I use it for example for indexing
> geometry and hstore types and there's no other choice there.
> Do you know whether unlogged option in create table will support GiST
> in the next release?
It's probably not a difficult patch to write, but I don't have any
current plans to work on it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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