doc: warn about the use of "ctid" queries beyond the examples

Bruce Momjian <bruce@momjian.us>

Commit: 02dc089bf1560c391fc295dbfaaf0d4a13d178b7
Author: Bruce Momjian <bruce@momjian.us>
Date: 2025-12-26T22:34:17Z
Releases: 17.8
doc:  warn about the use of "ctid" queries beyond the examples

Also be more assertive that "ctid" should not be used for long-term
storage.

Reported-by: Bernice Southey

Discussion: https://postgr.es/m/CAEDh4nyn5swFYuSfcnGAbpQrKOc47Hh_ZyKVSPYJcu2P=51Luw@mail.gmail.com

Backpatch-through: 17

Files

PathChange+/−
doc/src/sgml/ddl.sgml modified +1 −1
doc/src/sgml/ref/delete.sgml modified +3 −0
doc/src/sgml/ref/update.sgml modified +3 −0

Documentation touched