We are using the pg_indexes view (indexdef) to retrieve the index
definition.

Are you saying that as a normal part of building an index, there are short
periods of time where the pg_indexes view will show the index with ON ONLY
specified?

On Fri, Jan 27, 2023 at 3:53 PM Tom Lane <t...@sss.pgh.pa.us> wrote:

> Rumpi Gravenstein <rgrav...@gmail.com> writes:
> >> 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)
>
> What do you mean "somehow changed"?  There is nothing in the system
> catalogs that stores that exact string, so I suppose what you mean
> is that some tool is presenting the indexes to you that way.
>
> If that tool is pg_dump, this is its normal behavior.  There will
> be other commands in its output that build the rest of the
> partitioned index set.
>
>                         regards, tom lane
>


-- 
Rumpi Gravenstein

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