Doc: clarify behavior of timestamptz input some more.

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

Commit: bbf1ef72c22f1f3db778db0aaab8a1daa82d81f8
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2025-02-07T17:40:41Z
Releases: 16.7
Doc: clarify behavior of timestamptz input some more.

Try to make it absolutely plain that we don't retain the
originally specified time zone, only the UTC timestamp.

While at it, make glossary entries for "UTC" and "GMT".

Author: Robert Treat <rob@xzilla.net>
Co-authored-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/173796426022.1064.9135167366862649513@wrigleys.postgresql.org
Backpatch-through: 13

Files

PathChange+/−
doc/src/sgml/datatype.sgml modified +10 −7
doc/src/sgml/glossary.sgml modified +16 −0

Documentation touched

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