Re: commit callback, request

>"Pavel Stehule" <pavel(dot)stehule(at)hotmail(dot)com> writes:
> > Is possible make transaction commit trigger without patching code now?
>
>You can get pretty close with a deferred trigger. I don't think
>there's any way to have a guaranteed "at commit" trigger --- as soon
>as (1) there are two of them and (2) one can get an error, the
>transaction could fail after running an alleged "at commit" trigger.
>
> regards, tom lane

hm. I don't have big problem with false notifications. Who want to use
dbms_alert have to calculate with this possibility. But triggers has
disadventage - I have to sometimes clean any table, which cary triggers :-(.
It's solution. I hope 8.2 will has any general mechanis. Is it possible
enhance SPI to parametrized NOTIFY? Default mode send message via libpq,
nonstandard raise any callback.

Thank You
Pavel

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