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Date: Tue, 1 Jun 2010 08:54:53 -0400
From: Stephen Frost <sfrost@snowman.net>
To: Matthew Wakeling <matthew@flymine.org>
Cc: Merlin Moncure <mmoncure@gmail.com>,
	Eliot Gable <egable+pgsql-performance@gmail.com>,
	pgsql-performance@postgresql.org
Subject: Re: PostgreSQL Function Language Performance: C vs
	PL/PGSQL
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* Matthew Wakeling (matthew@flymine.org) wrote:
> The major case I found when writing pl/pgsql was when trying to build =20
> arrays row by row. AFAIK when I tried it, adding a row to an array caused=
=20
> the whole array to be copied, which put a bit of a damper on performance.

Using the built-ins now available in 8.4 (array_agg), that copying
doesn't happen any more.

	Thanks,

		Stephen

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