From: Tom Lane <tgl@sss.pgh.pa.us>
To: Mark Dilger <mark.dilger@enterprisedb.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Assert triggered during RE_compile_and_cache
Date: Thu, 05 Aug 2021 20:13:03 -0400
Message-ID: <2442241.1628208783@sss.pgh.pa.us> (raw)
In-Reply-To: <2437330.1628205382@sss.pgh.pa.us>
References: <0203588E-E609-43AF-9F4F-902854231EE7@enterprisedb.com>
<7F9BFA6F-9BC6-4A27-BFA1-2F01682BD644@enterprisedb.com>
<2426993.1628201727@sss.pgh.pa.us>
<29C525E6-A912-459F-BE27-217F25F76B5E@enterprisedb.com>
<2437330.1628205382@sss.pgh.pa.us>
I wrote:
> Hm. I thought that this might be an old issue, but I'm not seeing the
> crash in pre-v14 branches. That means it's some bug introduced in
> the performance improvements I did a few months ago. Open item added.
git bisect says the trouble started with
ea1268f6301cc7adce571cc9c5ebe8d9342a2ef4 is the first bad commit
commit ea1268f6301cc7adce571cc9c5ebe8d9342a2ef4
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat Feb 20 19:26:41 2021 -0500
Avoid generating extra subre tree nodes for capturing parentheses.
I probably won't be able to dig deeper for a little while.
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, mark.dilger@enterprisedb.com
Subject: Re: Assert triggered during RE_compile_and_cache
In-Reply-To: <2442241.1628208783@sss.pgh.pa.us>
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