Re: Cleaning up and speeding up string functions

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Cleaning up and speeding up string functions
Date: 2019-07-22 12:16:44
Message-ID: CAKJS1f_eVctth7XnBPg10PgwDohk2sSokQRSe-2e7PaRb35rjw@mail.gmail.com
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On Thu, 4 Jul 2019 at 13:51, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> Instead of having 0004, how about the attached?
>
> Most of the calls won't improve much performance-wise since they're so
> cheap anyway, but there is xmlconcat(), I imagine that should see some
> speedup.

I've pushed this after having found a couple more places where the
length is known.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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