Andres Freund <[email protected]> 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
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