From: | Alexander Reichstadt <lxr(at)mac(dot)com> |
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To: | pgsql-general(at)postgresql(dot)org |
Subject: | Listen and Notify |
Date: | 2012-04-30 06:47:14 |
Message-ID: | 0D5AF450-21E8-4F3C-B80C-41CCF7C6CA9D@mac.com |
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Lists: | pgsql-general |
Hi,
From the documentation I was able to build a trigger firing upon deletion of a record a function that delivers tablename_operation as a notification one needs to subscribe to. So in terminal I can say LISTEN persons_delete and instantly will receive
Asynchronous notification "persons_delete" received from server process with PID 54790.
if there was a delete. But what I don't fully understand is how to do this with PQnotifies. Following the docu I get no notifications even though I subscribe to them after successfully connecting to the server the same way I do using terminal.
Googling didn't give me examples I was able to use. Please, can someone help?
Thanks
Alex
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