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From: Wolfgang Walther <[email protected]>
To: Tom Lane <[email protected]>
Cc: [email protected]
Subject: Re: Regression tests fail with tzdata 2024b
Date: Sun, 15 Sep 2024 11:08:11 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

Tom Lane:
> Also, as a real place to a greater extent
> than "PST8PDT" is, it's more subject to historical revisionism when
> somebody turns up evidence of local law having been different than
> TZDB currently thinks.

I now tried all versions of tzdata which we had in tree back to 2018g, 
they all work fine with the same regression test output. 2018g was an 
arbitrary cutoff, I just didn't try any further.

In the end, we don't need a default timezone that will never change. We 
just need one that didn't change in a reasonable number of releases 
going backwards. Once America/Los_Angeles is changed, we need to switch 
to a different zone, which could be one that wouldn't work today. Kind 
of a sliding window.

One positive might be: With this timezone, we are more likely to see 
relevant changes mentioned in the upstream release notes.

Best,

Wolfgang

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