Andres Freund <and...@anarazel.de> writes: > On 2015-08-25 14:12:37 -0400, Tom Lane wrote: >> How would they have done that without major code surgery? We don't have >> any hooks or function pointers involved in the users of resowner.h. >> Certainly locks would not be getting passed to a nonstandard resowner.
> CurrentResourceOwner = myresowner; > /* do some op */ Yeah, but so what? GrantLockLocal does not contain any way that external code could change the way that a new lock is recorded. (IOW, yeah, certainly third-party code could create a new *instance* of the ResourceOwner data structure, but they would not have any knowledge of what's inside unless they had hacked the core code.) regards, tom lane -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers