| From: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [pgsql-patches] Phantom Command IDs, updated patch |
| Date: | 2007-02-05 18:25:53 |
| Message-ID: | 45C776B1.6070801@enterprisedb.com |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Tom Lane wrote:
> Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
>> I think the patch is ready. Please remove the PHANTOMCID_DEBUG define
>> and ifdef blocks before applying.
>
> BTW, I don't care much for the terminology "phantom cid" ... there's
> nothing particularly "phantom" about them, seeing they get onto disk.
> Can anyone think of a better name? The best I can do offhand is
> "merged cid" or "cid pair", which aren't inspiring.
MultiCid, like the MultiXacts? Maybe not, they're quite different beasts...
Alias cid? Mapped cid? Compressed cid? Hero cid? :)
I'm happy with phantom cid myself. It sounds cool, and they are a bit
phantom-like because the true meaning of a phantom cid is lost when the
transaction ends.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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