Re: Another regexp performance improvement: skip useless paren-captures

From: Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Joel Jacobson <joel(at)compiler(dot)org>
Subject: Re: Another regexp performance improvement: skip useless paren-captures
Date: 2021-08-08 22:33:06
Message-ID: B323249F-B221-4DCE-8763-E5070A77452E@enterprisedb.com
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> On Aug 8, 2021, at 3:28 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Cool, thanks. I also tried your millions-of-random-regexps script
> and didn't find any difference between the results from HEAD and
> those from the v3 patch.

The patch looks ready to commit. I don't expect to test it any further unless you have something in particular you'd like me to focus on.

Thanks again for working on this.

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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