Re: Application data refreshing

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От Charles Tassell
Тема Re: Application data refreshing
Дата
Msg-id 4.3.2.7.2.20000921183322.04bc93d0@mailer.isn.net
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Ответ на Application data refreshing  (Jesus Sandoval <meli@mzt.megared.net.mx>)
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I think you can do this with the listen/notify commands.  I've never done
it myself, but take a look at
http://www.postgresql.org/users-lounge/docs/7.0/programmer/pgtcl-pglisten.htm
and some of the other Postgres docs and you should be able to figure it
out.  From what I read, you have your programs send a notify after doing an
update, then the other's are all listening for that notify, and then can be
instructed to reload the data.

At 02:23 AM 9/21/00, Jesus Sandoval wrote:
>I tried to find information in the lists but got no luck.
>
>I want to make a client application that performs a query to show the
>results, but the client application stays open and the database gets
>updated.
>
>I want that the updates of the database reflects on the open client
>application, I think this can be done with triggers but I'm not sure how
>
>to do this if there are 3 (or more) client applications open at the same
>
>time, how the trigger can send a refresh to the 3 (or more) of them.
>
>Can anybody help me????


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