pg_toast.pg_toast_relfilenode not exist due to vacuum full tablename

hi,

this morning i met an issue, that after vacuum full tablename, the associated toast table shows not exist.

here is the operation steps:

drop table if exists reymont;

create table  reymont ( id bigint primary key, data bytea not null);

alter table reymont alter column data set compression pglz;

insert into reymont values(1, pg_read_binary_file('filename'));

vacuum full reymont;

select relname, relfilenode, reltoastrelid from pg_class where relname='reymont';

\d+ pg_toast.pg_toast_relfilenode

Did not find any relation named "pg_toast.pg_toast_relfilenode".

however, if display toast table before vacuum full operation, no problem.

\d+ pg_toast.pg_toast_relfilenode  --- it's ok, the toast table exists

vacuum full reymont;

\d+ pg_toast.pg_toast_relfilenode  --- it's ok, the toast table exists

it looks a little strange, any ideas? appreciate your help.

env:

pg14.4

linux 3.10.0-693.17.1.e17

thanks

walker