Horton

Re: UCT (Re: pgsql: Update time zone data files to tzdata release 2019a.)

Daniel Gustafsson <daniel@yesql.se>

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From: Daniel Gustafsson <daniel@yesql.se>
To: Andrew Gierth <andrew@tao11.riddles.org.uk>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Thomas Munro <thomas.munro@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Stephen Frost <sfrost@snowman.net>, Andres Freund <andres@anarazel.de>, Christoph Berg <myon@debian.org>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2019-06-26T22:58:49Z
Lists: pgsql-hackers 
> On 27 Jun 2019, at 00:48, Andrew Gierth <andrew@tao11.riddles.org.uk> wrote:

> Tom> In general, the point I'm trying to make is that our policy should
> Tom> be "Ties are broken arbitrarily, and if you don't like the choice
> Tom> that initdb makes, here's how to fix it".
> 
> Yes, you've repeated that point at some length, and I am not convinced.
> Is anyone else?

I don’t have any insights into the patches comitted or proposed.  However,
having been lurking on the tz mailinglist for a long time, I totally see where
Tom is coming from with this.

cheers ./daniel

Commits

  1. Tweak our special-case logic for the IANA "Factory" timezone.

  2. Avoid choosing "localtime" or "posixrules" as TimeZone during initdb.

  3. Prefer timezone name "UTC" over alternative spellings.

  4. Attempt to identify system timezone by reading /etc/localtime symlink.

  5. Update time zone data files to tzdata release 2019a.