Yes are right, I meant a 9.3.15 extension with a 9.3.14 server. Thanks for the help guys! On 2016-11-24, 12:10 PM, "Tom Lane" <tgl@xxxxxxxxxxxxx> wrote: Adrian Klaver <adrian.klaver@xxxxxxxxxxx> writes: > On 11/24/2016 09:01 AM, David Richer wrote: >> I am not an expert but I am assuming that the native part of the extension (pg_freespacemap.so) is compiled with postgresql headers and libs. > The part that confused me is the last part where you ask about using a > 9.3.14 extension with a 9.3.15 server which is the opposite of > everything you said previously, in particular the prior sentence. It would probably work either way, although a prudent man would peruse the 9.3.15 release notes to see if anything was said about changes that cause breakage of extensions. But we try hard to avoid such changes in minor releases, particularly in long-stable branches. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general