Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Noah Misch <noah@leadboat.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2011-01-19T16:46:19Z
Lists: pgsql-hackers
On Tue, Jan 18, 2011 at 5:22 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> opinion isn't strong in this topic. One or twenty useless detoasting
> isn't really significant in almost use cases (problem is thousands
> detoasting).

Yeah.  Many-times-repeated detoasting is really bad, and this is not
the only place in the backend where we have this problem.  :-(

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