Justin Pryzby <pry...@telsasoft.com> writes: > On Sun, Oct 24, 2021 at 05:10:55PM -0400, Tom Lane wrote: >> + if (tbloids->len > 1)
> I think this should say > + if (tbloids->len > 0) No, >1 is the correct test, because it's checking the string length and we started by stuffing a '{' into the string. Maybe needs a comment. > BTW, the ACL patch makes the overhead 6x lower (6.9sec vs 1.2sec) for pg_dump > -t > of a single, small table. Thanks for that. Yeah --- I haven't done any formal measurements of the case where you're selecting a small number of tables, but I did note that it decreased a good deal compared to HEAD. regards, tom lane