Doc: clarify the restrictions of AFTER triggers with transition tables.

Etsuro Fujita <efujita@postgresql.org>

Commit: 59a984e637c8dd27ee7dce0aaa0bb06c281cb716
Author: Etsuro Fujita <efujita@postgresql.org>
Date: 2025-08-02T09:30:01Z
Releases: 17.6
Doc: clarify the restrictions of AFTER triggers with transition tables.

It was not very clear that the triggers are only allowed on plain tables
(not foreign tables).  Also, rephrase the documentation for better
readability.

Follow up to commit 9e6104c66.

Reported-by: Etsuro Fujita <etsuro.fujita@gmail.com>
Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Reviewed-by: Etsuro Fujita <etsuro.fujita@gmail.com>
Discussion: https://postgr.es/m/CAPmGK16XBs9ptNr8Lk4f-tJZogf6y-Prz%3D8yhvJbb_4dpsc3mQ%40mail.gmail.com
Backpatch-through: 13

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doc/src/sgml/ref/create_trigger.sgml modified +5 −3

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