From: | Stefan Keller <sfkeller(at)gmail(dot)com> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: WIP: Fast GiST index build |
Date: | 2011-09-14 06:43:33 |
Message-ID: | CAFcOn2_2U8=zv2BtjScNQ2p2P9FEhPL8a3_BR5-gW_7QPAXKHw@mail.gmail.com |
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Lists: | pgsql-hackers |
I'm on the way to open a ticket for hash indexes (adding WAL support) anyway:
May I open a ticket for adding GiST support to unlogged tables ?
Stefan
2011/9/14 Stefan Keller <sfkeller(at)gmail(dot)com>:
> Robert,
>
> 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?
>
> Stefan
>
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