Re: NOTIFY/LISTEN on read-only slave?
От | Bruce Momjian |
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Тема | Re: NOTIFY/LISTEN on read-only slave? |
Дата | |
Msg-id | 201002180306.o1I36kd24077@momjian.us обсуждение исходный текст |
Ответ на | Re: NOTIFY/LISTEN on read-only slave? (Greg Smith <greg@2ndquadrant.com>) |
Ответы |
Re: NOTIFY/LISTEN on read-only slave?
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Список | pgsql-hackers |
Greg Smith wrote: > Tom Lane wrote: > > Bruce Momjian <bruce@momjian.us> writes: > > > >> Our documentation says listen/notify will return an error if executed on > >> the hot standby server: > >> > >> o LISTEN, UNLISTEN, NOTIFY since they currently write to system tables > >> > >> With the listen/notify system now implemented in memory, is this still > >> true? > >> > > > > The explanation is wrong, but it's still disallowed. > > > > What's the actual reason for the restriction then? I did a whole > proofreading round on the HS documentation the other day and am working > on a patch to clean up everything I found, can add better notes about > this to it. Oops, I did cleanup on the HS docs all day today in response to a doc patch that was posted in December. How extensive are your changes? -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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