On 2018-10-22 19:05:51 +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference: 15451
> Logged by: Harry Clarke
> Email address: harry@harryclarke.me.uk
> PostgreSQL version: 10.5
> Operating system: Windows Server 2008 R2 standard
> Description:
>
> When trying to create a table, or to add a foreign key constraint to a
> table, an error (see below) is produced. However, both tables are permanent
> tables, and there are no temporary tables that I am aware of.
>
> ERROR: constraints on permanent tables may reference only permanent tables
Note that unlogged tables are also considered not permanent. Is that it?
Greetings,
Andres Freund