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Remove hard-wired lists of timezone abbreviations in favor of providing

configuration files that can be altered by a DBA.  The australian_timezones
GUC setting disappears, replaced by a timezone_abbreviations setting (set this
to 'Australia' to get the effect of australian_timezones).  The list of zone
names defined by default has undergone a bit of cleanup, too.  Documentation
still needs some work --- in particular, should we fix Table B-4, or just get
rid of it?  Joachim Wieland, with some editorializing by moi.
This commit is contained in:
Tom Lane
2006-07-25 03:51:23 +00:00
parent 631ea61883
commit d8b5c95ca8
40 changed files with 2988 additions and 519 deletions

View File

@ -11,3 +11,9 @@ from
Since time zone rules change frequently in some parts of the world,
we should endeavor to update the data files before each PostgreSQL
release.
At each update, we should check if time zone offsets have changed.
Just search for the current or previous year and see what has changed.
Sometimes a country changes its time zone offsets, for example Georgia
in 2004. Just grepping in the zic database files for 2004 is enough to
spot such a change. Then the files under tznames/ should be updated.