Re: Alarm function in PL/pgSQL

On Mon, Jul 18, 2011 at 4:38 PM, Jon Smark <jon.smark@yahoo.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