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Run regression tests with timezone America/Los_Angeles.

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Historically we've used timezone "PST8PDT", but the recent release
2024b of tzdb changes the definition of that zone in a way that
breaks many test cases concerned with dates before 1970.  Although
we've not yet adopted 2024b into our own tree, this is already
problematic for people using --with-system-tzdata if their platform
has already adopted 2024b.  To work with both older and newer
versions of tzdb, switch to using "America/Los_Angeles", accepting
the ensuing changes in regression test results.

Back-patch to all supported branches.

Per report and patch from Wolfgang Walther.

Discussion: https://postgr.es/m/0a997455-5aba-4cf2-a354-d26d8bcbfae6@technowledgy.de
This commit is contained in:
Tom Lane
2024-09-14 17:55:02 -04:00
parent f64074c88c
commit b8ea0f675f
7 changed files with 111 additions and 101 deletions
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4
doc/src/sgml/ref/set.sgml
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@@ -200,7 +200,7 @@ SELECT setseed(<replaceable>value</replaceable>);
<variablelist>
<varlistentry>
<term><literal>'PST8PDT'</literal></term>
<term><literal>'America/Los_Angeles'</literal></term>
<listitem>
<para>
The time zone for Berkeley, California.
@@ -298,7 +298,7 @@ SET datestyle TO postgres, dmy;
<para>
Set the time zone for Berkeley, California:
<screen>
SET TIME ZONE 'PST8PDT';
SET TIME ZONE 'America/Los_Angeles';
</screen>
</para>