Re: [GENERAL] Create Action for psql when NOTIFY Recieved
| От | Steve Atkins |
|---|---|
| Тема | Re: [GENERAL] Create Action for psql when NOTIFY Recieved |
| Дата | |
| Msg-id | 836CE0BD-553A-4A1F-80FC-E8F136D0F372@blighty.com обсуждение исходный текст |
| Ответ на | Re: [GENERAL] Create Action for psql when NOTIFY Recieved (Nico Williams <nico@cryptonector.com>) |
| Ответы |
Re: [GENERAL] Create Action for psql when NOTIFY Recieved
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| Список | pgsql-general |
> On Sep 3, 2017, at 3:32 PM, Nico Williams <nico@cryptonector.com> wrote: > > > My principal problem with psql(1) relative to NOTIFY/LISTEN is that > psql(1) won't check for them until it has had some input on stdin. So > it will appear to do nothing when it's idle, even if there millions of > notifies for it to respond to! > > So I wrote a program to just LISTEN: https://github.com/twosigma/postgresql-contrib/blob/master/pqasyncnotifier.c Me too. https://github.com/wttw/pgsidekick Select-based, sends periodic keep-alives to keep the connection open, outputs payloads in a way that's friendly to pipe intoxargs. (Also the bare bones of a notify-based scheduler). Cheers, Steve
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