From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
---|---|
To: | Jon Smark <jon(dot)smark(at)yahoo(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Alarm function in PL/pgSQL |
Date: | 2011-07-18 21:48:18 |
Message-ID: | CAHyXU0w8uLihMPK9iPmjRGvEfY18vpva_u3UCFrkZxzF_HKWSg@mail.gmail.com |
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Lists: | pgsql-general |
On Mon, Jul 18, 2011 at 4:38 PM, Jon Smark <jon(dot)smark(at)yahoo(dot)com> wrote:
> Hi,
>
> Is it possible to set an alarm within a PL/pgSQL function? By "alarm"
> I mean a function which is invoked some defined time in the future,
> even after the original function has terminated and returned a value
> to the client.
>
> I want an invocation of function FOO to set a "state" column of a given
> table row to "temporary". After a predefined period (say, one hour),
> function BAR should then automatically be invoked; this latter function
> would among other things change the "state" column to "permanent".
I don't think this is really possible with postgres PLs generally.
Typically what you have to do is have a function that is called on an
interval that checks for alarms and runs them.
merlin
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