Peter Eisentraut <peter.eisentr...@2ndquadrant.com> writes: > On 12/11/2018 20:00, Tom Lane wrote: >> Also, even if we had an arguably-better idea, I suspect that there would >> always be cases where it didn't work. For example, one idea is to make >> a temporary directory under the installation's normal socket directory >> (thus, /tmp/pgXXXX/ or some such). But, if the normal socket directory >> is not /tmp, we might find that pg_upgrade can't write there.
> We do exactly that in pg_regress and it's never been a problem. Yeah, but pg_upgrade is used by a much wider variety of people than pg_regress. regards, tom lane