Re: Exclusion Constraints on Arrays?

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От Robert Haas
Тема Re: Exclusion Constraints on Arrays?
Дата
Msg-id CA+TgmoYFyQr7qkK6wdpJMXv1jO0yLoOSeVLZqmcUsFDayEDBrg@mail.gmail.com
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Ответ на Re: Exclusion Constraints on Arrays?  ("David E. Wheeler" <david@justatheory.com>)
Ответы Re: Exclusion Constraints on Arrays?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Tue, May 22, 2012 at 12:28 PM, David E. Wheeler
<david@justatheory.com> wrote:
> On May 13, 2012, at 3:45 PM, Robert Haas wrote:
>
>> It seems like maybe we could work around this by remembering the
>> contents of the pending list throughout the scan.  Every time we hit a
>> TID while scanning the main index, we check whether we already
>> returned it from the pending list; if so, we skip it, but if not, we
>> return it.
>
> Should this go onto the To-Do list, then?

If someone other than me can confirm that it's not a stupid approach,
I would say yes.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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