On Saturday, September 26, 2015, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Pavel Stehule <pavel.steh...@gmail.com <javascript:;>> writes: > > 2015-09-26 19:53 GMT+02:00 Nikolai Zhubr <n-a-zh...@yandex.ru > <javascript:;>>: > >> And the events of session start and session end would seem quite generic > >> and usefull anyway? > > > I don't know. I am pretty sceptical - from my experience this request was > > related to unhappy designed projects. > > A session-end hook seems pretty problematic to me: you simply cannot > guarantee that it will run at all. (Consider process crash or server > abort cases.) So anything built on the assumption that it gets to run > at session end is going to be inherently unreliable. > > Or even "reset session" as is often used by connection poolers depending on what semantics are trying to be captured. David J.