Re: Listen / Notify rewrite
От | Merlin Moncure |
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Тема | Re: Listen / Notify rewrite |
Дата | |
Msg-id | b42b73150911111828n18cdb268i2aca9d971d3a0394@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Listen / Notify rewrite ("A.M." <agentm@themactionfaction.com>) |
Ответы |
Re: Listen / Notify rewrite
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Список | pgsql-hackers |
On Wed, Nov 11, 2009 at 5:48 PM, A.M. <agentm@themactionfaction.com> wrote: > At least with this new payload, I can set the payload to the transaction ID > and be certain that all the notifications I sent are processed (and in order > even!) but could you explain why the coalescing is still necessary? Christmas comes early this year! :-). three reasons: *) it works that way now...a lot of people use this feature for all kinds of subtle things and the behavior chould change as little as possible *) legacy issues aside, I think it's generally better behavior (how many times do you need to be tapped on the shoulder?) *) since you can trivially differentiate it (using xid, sequence, etc), what's the fuss? merlin
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