Re: Best way to check for new data.

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От	Havasvölgyi Ottó
Тема	Re: Best way to check for new data.
Дата	28 октября 2005 г. 19:13:33
Msg-id	01cb01c5dc0c$cce42830$8400a8c0@OTTO обсуждение исходный текст
Ответ на	Best way to check for new data. (Rodrigo Madera <rodrigo.madera@gmail.com>)
Список	pgsql-performance

Дерево обсуждения

Rodrigo,

You could use LISTEN + NOTIFY with triggers.

In after_insert_statement trigger you could notify a listener, the client could query it immediately.

Best Regards,

Otto

----- Original Message -----
From: Rodrigo Madera
To: pgsql-performance@postgresql.org
Sent: Friday, October 28, 2005 11:39 PM
Subject: [PERFORM] Best way to check for new data.

I have a table that holds entries as in a ficticious table Log(id integer, msg text).

Lets say then that I have the program log_tail that has as it´s sole purpose to print newly added data elements.

What is the best solution in terms of performace?

Thank you for your time,
Rodrigo

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Re: Best way to check for new data.