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From: Tom Lane <[email protected]>
To: Regina Obe <[email protected]>
Cc: [email protected]
Cc: Jeff Davis <[email protected]>
Subject: Re: Order changes in PG16 since ICU introduction
Date: Fri, 21 Apr 2023 11:48:51 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

"Regina Obe" <[email protected]> writes:
> A couple of days ago, our PostGIS PG16 bots started failing with order
> changes in text.
> We have our tests set to locale=c

> It seems since April 20th, our tests that rely on sorting characters
> changed.
> As noted in this ticket:

> https://trac.osgeo.org/postgis/ticket/5375

> I'm assuming it's result of icu change:
> https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=fcb21b3ac
> dcb9a60313325618fd7080aa36f1626

> I suspect all our bots are compiling with icu enabled. But I haven't
> confirmed.

If they actually are using locale C, I would say this is a bug.
That should designate memcmp sorting and nothing else.

			regards, tom lane

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