doc: Mention validation attempt during ALTER INDEX .. ATTACH PARTITION

Michael Paquier <michael@paquier.xyz>

Commit: 7a24fad3d9f39cfa187b3fd240211c0de7615f9a
Author: Michael Paquier <michael@paquier.xyz>
Date: 2026-05-01T04:10:38Z
Releases: 18.4
doc: Mention validation attempt during ALTER INDEX .. ATTACH PARTITION

Since 9d3e094f12, the command tries to validate the parent index of the
named index, if invalid.  The documentation did not mention this
behavior, which could be confusing.

Author: Mohamed ALi <moali.pg@gmail.com>
Discussion: https://postgr.es/m/CAGnOmWpHu25_LpT=zv7KtetQhqV1QEZzFYLd_TDyOLu1Od9fpw@mail.gmail.com
Backpatch-through: 14

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doc/src/sgml/ref/alter_index.sgml modified +5 −0

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