On Tue, Mar 06, 2012 at 11:10:38AM -0500, Tom Lane wrote: > Marko Kreen <mark...@gmail.com> writes: > > So my question is that after doing generic SearchSysCache() like: > > > tup = SearchSysCache(USERMAPPINGUSERSERVER, > > ObjectIdGetDatum(user_mapping->userid), > > ObjectIdGetDatum(foreign_server->serverid), > > 0, 0); > > > what is the proper way to calculate the hashValue that > > will be given to callback? > > Why would you need to know that? The reason the calculation function > is static is that there's no apparent need to expose that information > outside the syscache subsystem.
Because I need to invalidate my own internal state that corresponds to particular system catalog row? In current case (plproxy) I need to invalidate libpq connections that are created from particular foreign server entry. -- marko -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
