Re: Indexes mysteriously change to LOG

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Rumpi Gravenstein <rgravens(at)gmail(dot)com>, PostgreSQL <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Indexes mysteriously change to LOG
Date: 2023-01-27 20:34:52
Message-ID: 27ccec91-9ff2-b566-efb1-e1c552563514@aklaver.com
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On 1/27/23 12:23, Rumpi Gravenstein wrote:
> 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)

How did you do the above without the table name?

>
> 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

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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