pgsql: Doc: document POSIX-style time zone specifications in full. - Mailing list pgsql-committers

From Tom Lane
Subject pgsql: Doc: document POSIX-style time zone specifications in full.
Date
Msg-id E1jm18c-00064X-Tw@gemulon.postgresql.org
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List pgsql-committers
Doc: document POSIX-style time zone specifications in full.

We'd glossed over most of this complexity for years, but it's hard
to avoid writing it all down now, so that we can explain what happens
when there's no "posixrules" file in the IANA time zone database.
That was at best a tiny minority situation till now, but it's likely
to become quite common in the future, so we'd better explain it.

Nonetheless, we don't really encourage people to use POSIX zone specs;
picking a named zone is almost always what you really want, unless
perhaps you're stuck with an out-of-date zone database.  Therefore,
let's shove all this detail into an appendix.

Patch by me; thanks to Robert Haas for help with some awkward wording.

Discussion: https://postgr.es/m/1390.1562258309@sss.pgh.pa.us

Branch
------
REL_10_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/28fa0484efe925383f3fee8b7e88b74e9bb19004

Modified Files
--------------
doc/src/sgml/datatype.sgml |  40 ++-------
doc/src/sgml/datetime.sgml | 212 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 218 insertions(+), 34 deletions(-)


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