| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | "David E(dot) Wheeler" <david(at)justatheory(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Jeff Davis <pgsql(at)j-davis(dot)com> |
| Subject: | Re: Exclusion Constraints on Arrays? |
| Date: | 2012-05-22 16:42:53 |
| Message-ID: | CA+TgmoYFyQr7qkK6wdpJMXv1jO0yLoOSeVLZqmcUsFDayEDBrg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, May 22, 2012 at 12:28 PM, David E. Wheeler
<david(at)justatheory(dot)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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