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Re: Server-side hooks for user session start and session end - Mailing list pgsql-general

From Pavel Stehule
Subject Re: Server-side hooks for user session start and session end
Date
Msg-id CAFj8pRASe+N_bwgwd8Dm1=sM8HRQiwZghf8p6WDEEhHxWLs+cQ@mail.gmail.com
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In response to Re: Server-side hooks for user session start and session end  (Nikolai Zhubr <n-a-zhubr@yandex.ru>)
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2015-09-27 22:51 GMT+02:00 Nikolai Zhubr <n-a-zhubr@yandex.ru>:
Hi,
27.09.2015 22:59, Pavel Stehule:

2015-09-27 21:40 GMT+02:00 Jim Nasby <Jim.Nasby@bluetreble.com
 <mailto:Jim.Nasby@bluetreble.com>>:

    _PG_fini


It should not work - see a doc

I'd rather consider registering with on_shmem_exit -- as per the insightfull note placed in postgresql.c:4290.
(Haven't tried - just thinking)

This point can be too late. Probably it is good enough for releasing external sources, but the query execution engine can be broken in this moment ~ you cannot to run any SQL

Not tested

Regards

Pavel


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