Re: [PATCH] Optimize json_lex_string by batching character copying

John Naylor <john.naylor@enterprisedb.com>

From: John Naylor <john.naylor@enterprisedb.com>

To: Nathan Bossart <nathandbossart@gmail.com>

Cc: Andres Freund <andres@anarazel.de>, Tom Lane <tgl@sss.pgh.pa.us>, Jelte Fennema <Jelte.Fennema@microsoft.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Merlin Moncure <mmoncure@gmail.com>, Andrew Dunstan <andrew.dunstan@2ndquadrant.com>, Stephen Frost <sfrost@snowman.net>

Date: 2022-08-26T08:03:48Z

Lists: pgsql-hackers

On Thu, Aug 25, 2022 at 1:35 PM John Naylor
<john.naylor@enterprisedb.com> wrote:
>
> I think I'll go ahead and commit 0001 in a couple days pending further comments.

Pushed with Nathan's correction and some cosmetic rearrangements.

-- 
John Naylor
EDB: http://www.enterprisedb.com

Commits

Speed up lexing of long JSON strings
- 0a8de93a48ce 16.0 landed
Add optimized functions for linear search within byte arrays
- e813e0e16852 16.0 landed
Build de-escaped JSON strings in larger chunks during lexing
- 3838fa269c15 16.0 landed
Simplify json lexing state
- 3de359f18f2b 16.0 landed