Horton

Re: micro-optimizing json.c

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Nathan Bossart <nathandbossart@gmail.com>, Joe Conway <mail@joeconway.com>, Andrew Dunstan <andrew@dunslane.net>, Davin Shearer <davin@apache.org>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2023-12-08T03:19:00Z
Lists: pgsql-hackers 
David Rowley <dgrowleyml@gmail.com> writes:
> I might be neater to get rid of the if condition and have:
> [ calls of appendBinaryStringInfo with len 0 ]

Hmm, if we are trying to micro-optimize, I seriously doubt that
that's an improvement.

			regards, tom lane

Commits

  1. Micro-optimize datum_to_json_internal() some more.

  2. Micro-optimize JSONTYPE_NUMERIC code path in json.c.