At Tue, 05 Feb 2019 10:01:48 -0500, Tom Lane <t...@sss.pgh.pa.us> wrote in <20605.1549378...@sss.pgh.pa.us> > 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/ > ?
Uggh Right. One of the problem is the same with this. Thank you for the pointer, Tom. > > 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. I'm ok with that. Considering using reloption on system catalogs let me notice it. regards. -- Kyotaro Horiguchi NTT Open Source Software Center
