pgsql: Doc: clarify behavior of timestamptz input some more.

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From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Doc: clarify behavior of timestamptz input some more.
Date: 2025-02-07 17:41:13
Message-ID: [email protected]
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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(at)xzilla(dot)net>
Co-authored-by: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 13

Branch
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REL_16_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/bbf1ef72c22f1f3db778db0aaab8a1daa82d81f8

Modified Files
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doc/src/sgml/datatype.sgml | 17 ++++++++++-------
doc/src/sgml/glossary.sgml | 16 ++++++++++++++++
2 files changed, 26 insertions(+), 7 deletions(-)