On Wed, Sep 28, 2022 at 03:09:46PM -0400, Stephen Frost wrote: > On Wed, Sep 28, 2022 at 14:50 Nathan Bossart <nathandboss...@gmail.com> > wrote: >> I've been testing aclmask() with long aclitem arrays (2,000 entries is >> close to the limit for pg_class entries), and I haven't found any >> significant impact from bumping AclMode to 64 bits. > > The max is the same regardless of the size..? Considering the size is > capped since pg_class doesn’t (and isn’t likely to..) have a toast table, > that seems unlikely, so I’m asking for clarification on that. We may be > able to get consensus that the difference isn’t material since no one is > likely to have such long lists, but we should at least be aware.
While pg_class doesn't have a TOAST table, that column is marked as "extended," so I believe it is still compressed, and the maximum aclitem array length for pg_class.relacl would depend on how well the array compresses. -- Nathan Bossart Amazon Web Services: https://aws.amazon.com
