Re: [PATCH] backend: compare word-at-a-time in bcTruelen

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Jeremy Kerr <jk(at)ozlabs(dot)org>, "<pgsql-hackers(at)postgresql(dot)org>" <pgsql-hackers(at)postgresql(dot)org>, Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>, Gurjeet Singh <singh(dot)gurjeet(at)gmail(dot)com>
Subject: Re: [PATCH] backend: compare word-at-a-time in bcTruelen
Date: 2009-06-18 14:58:54
Message-ID: 20090618145854.GB5102@alvh.no-ip.org
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Simon Riggs escribió:

> I notice we lose on tuple access also. CHAR(n) is fixed length, but is
> treated as variable length for offsets.

Fixed character length != fixed byte length

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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