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

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Shay Rojansky <roji@roji.org>, Thomas Munro <thomas.munro@gmail.com>, Andrew Gierth <andrew@tao11.riddles.org.uk>, Robert Haas <robertmhaas@gmail.com>, Stephen Frost <sfrost@snowman.net>, Christoph Berg <myon@debian.org>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2019-08-01T19:13:23Z
Lists: pgsql-hackers
Andres Freund <andres@anarazel.de> writes:
> Fair enough. I'm mildly worried that people will just carry their
> timezone setting from one version's postgresql.conf to the next as they
> upgrade.

Maybe.  I don't believe pg_upgrade copies over the old postgresql.conf,
and I doubt we should consider it good practice in any case.

			regards, tom lane



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.