Kyotaro HORIGUCHI <horiguchi.kyot...@lab.ntt.co.jp> writes: > The following command complains with an internal > error. (allow_system_table_mods is on).
> alter table pg_attribute set (fillfactor = 90); >> ERROR: AccessExclusiveLock required to add toast table. > The same happens for pg_class. Isn't this more or less the same thing Peter E. was attempting to fix in https://commitfest.postgresql.org/22/1764/ ? > The first attached is for master and 11. > The second is for 10. > The third is for 9.6. It's not clear to me that we ought to consider catalog alterations supported at all, but in any case I wouldn't treat it as something to back-patch. regards, tom lane
