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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: Sun, 08 Aug 2021 13:29:36 -0400
Message-ID: <3183669.1628443776@sss.pgh.pa.us> (raw)
In-Reply-To: <AB203EEC-6EB0-49BC-9585-736C40104895@enterprisedb.com>
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>
	<2442241.1628208783@sss.pgh.pa.us>
	<2822987.1628372679@sss.pgh.pa.us>
	<2860330.1628384606@sss.pgh.pa.us>
	<AB203EEC-6EB0-49BC-9585-736C40104895@enterprisedb.com>

Mark Dilger <mark.dilger@enterprisedb.com> writes:
> Applying your <alternate-backref-corner-case-fix-1.patch> to master changes the outcome of some regular expression queries, but I *think* it changes them for the better.

[ squint... ] You sure you applied the patch properly?  All these examples
give me the same results in HEAD (with said patches as-committed) and v13.

			regards, tom lane





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