Bruce Momjian wrote:
> I have an idea for this TODO item:
>
> * Allow administrators to safely terminate individual sessions either
> via an SQL function or SIGTERM
>
> Lock table corruption following SIGTERM of an individual backend
> has been reported in 8.0. A possible cause was fixed in 8.1, but
> it is unknown whether other problems exist. This item mostly
> requires additional testing rather than of writing any new code.
>
> http://archives.postgresql.org/pgsql-hackers/2006-08/msg00174.php
>
> When we get the termination signal, why can't we just set a global
> boolean, do a query cancel, and in the setjmp() code block check the
> global and exit --- at that stage we know we have released all locks and
> can exit cleanly.
Should I add this as a TODO? Seems so. Tom commented in the patches
queue that it will not work but I don't understand why.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://postgres.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +