| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Jessica Perry Hekman <jphekman(at)dynamicdiagrams(dot)com>, Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Jan Wieck <janwieck(at)yahoo(dot)com>, Barry Lind <barry(at)xythos(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: timeout implementation issues |
| Date: | 2002-04-07 02:14:36 |
| Message-ID: | 28237.1018145676@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> We do have on_shmem_exit and on_proc_exit function call queues. Seems
> we will need SET to create a queue of function calls containing previous
> values of variables SEt in multi-statement transactions. If we execute
> the queue in last-in-first-out order, the variables will be restored
> properly.
That's most certainly the hard way. I was planning to just make GUC
save a spare copy of the start-of-transaction value of each variable.
regards, tom lane
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