Horton

Re: Speedup usages of pg_*toa() functions

John Naylor <john.naylor@2ndquadrant.com>

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From: John Naylor <john.naylor@2ndquadrant.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Andrew Gierth <andrew@tao11.riddles.org.uk>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>, Andres Freund <andres@anarazel.de>
Date: 2020-07-02T03:57:47Z
Lists: pgsql-hackers 
On Sat, Jun 13, 2020 at 8:36 AM David Rowley <dgrowleyml@gmail.com> wrote:
> I ended up chickening out of doing the larger allocation
> unconditionally. Instead, I pushed the original idea of doing the
> palloc/memcpy of the length returned by pg_lltoa.  That gets us most
> of the gains without the change in memory usage behaviour.

This was still marked as needing review in commitfest, so I marked it
as committed.

-- 
John Naylor                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Have pg_itoa, pg_ltoa and pg_lltoa return the length of the string

  2. Add missing extern keyword for a couple of numutils functions