From: | Bret Stern <bret_stern(at)machinemanagement(dot)com> |
---|---|
To: | Jasen Betts <jasen(at)xnet(dot)co(dot)nz> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Regarding NOTIFY |
Date: | 2012-04-09 14:35:26 |
Message-ID: | 1333982126.15783.3.camel@fedora13 |
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Thread: | |
Lists: | pgsql-general |
On Mon, 2012-04-09 at 09:03 +0000, Jasen Betts wrote:
> On 2012-03-09, Bret Stern <bret_stern(at)machinemanagement(dot)com> wrote:
> > We have a concrete batching application composed of two parts.
> > 1. The Monitor.
> > The Monitor cycles every 60 seconds, and looks into a Postgresql table
> > for jobs to run. Primarily these jobs update Postgresql tables with
> > data from external applications.
> >
> > 2. The Client.
> > The client schedules orders etc.
> >
> > When a new product or customer is added to the Accounting or Batching
> > Controller (both external applications; and databases) the Client user
> > clicks a button and adds a job to run on the Monitor.
> >
> > Is it possible use the NOTIFY event to serve more like an interrupt,
> > and trigger the Monitor to run immediately.
>
> Reasonably immediately.
>
> > Can it be used with VB? or Should I use LibPQ?
>
> I used libpq with VB6 when I needed this feature 3 years ago.
>
> I had to write a little DLL to wrap the libpq calls so that VB could
> call them (actually I repackaged the wrapper that the main application uses)
>
> > If this is the wrong list for these questions, let me know?
>
> what language are you really using? VB is kind of vague it could mean
> .net (lots of people say VB when they mean .net, makes it hard to get
> questions about VB answered)
>
Was referring VB6 (I still prefer the IDE), but I can write in most
languages; (codeblocks for the libpq project).
> --
> ⚂⚃ 100% natural
>
>
Thanks for the comments.
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