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Re: [HACKERS] Enums patch v2

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, Tom Dunstan <pgsql(at)tomd(dot)cc>, pgsql-patches(at)postgresql(dot)org
Subject: Re: [HACKERS] Enums patch v2
Date: 2006-12-19 14:58:48
Message-ID: (view raw or whole thread)
Lists: pgsql-hackerspgsql-patches
Andrew Dunstan wrote:

> As for efficiency, I agree with what Tom says about alignment and 
> padding dissolving away any perceived advantage in most cases. If we 
> ever get around to optimising record layout we could revisit it.

I don't, because there are always those that are knowledgeable enough to
know how to reduce space lost to padding.  So it would be nice to have
2-byte enums on-disk, and resolve them based on the column's typid.  But
then, I'm not familiar with the patch at all so I'm not sure if it's

Alvaro Herrera                      
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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