Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.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.
Ewe, I was hoping for something with zero overhead for the non-SET case.
Can we trigger the save for the first SET in the transaction?
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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