Indexes mysteriously change to LOG

From: Rumpi Gravenstein <rgravens(at)gmail(dot)com>
To: PostgreSQL <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Indexes mysteriously change to LOG
Date: 2023-01-27 20:23:08
Message-ID: CAEpg1wBr_apWFXwUOYuU=rz4q=CJ6xmed282CmYM0HQMm3eWFg@mail.gmail.com
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We are on PostgreSQL 14.5 on x86_64-pc-linux-gnu, compiled by gcc (GCC)
8.5.0 20210514 (Red Hat 8.5.0-10), 64-bitPostgreSQL 14.5 on
x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat
8.5.0-10), 64-bit

We have recently discovered that on some of our partitioned tables indexes
that were created as:

CREATE UNIQUE INDEX chapter_u01 USING btree (dur_uk, catalog_id)

somehow changed to include the ON ONLY option:

CREATE UNIQUE INDEX chapter_u01 *ON ONLY *chapter USING btree (dur_uk,
catalog_id)

There is no SQL issued that explicitly requests this "ON ONLY" option. I
am wondering if this is a side-effect of some other activity. Googling and
looking through documentation haven't helped.

Does anyone have any thoughts on how this might happen?

--
Rumpi Gravenstein

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