Here's what I use:
SELECT if(count(*), "1", "0") FROM table WHERE ...
Which will return a 1 or 0, which exim treats as TRUE or FALSE.
--
Troy Settle
Pulaski Networks
http://www.psknet.com
540.994.4254 - 866.477.5638
> -----Original Message-----
> From: exim-users-admin@???
> [mailto:exim-users-admin@exim.org] On Behalf Of Eli
> Sent: Wednesday, June 18, 2003 4:21 PM
> To: 'William Thompson'
> Cc: exim-users@???
> Subject: RE: [Exim] Syntax for a MySQL select true/false statement
>
>
> Thanks - that's the syntax I was looking for. I didn't know
> it was that
> easy!
>
> Eli.
>
> -----Original Message-----
> From: exim-users-admin@???
> [mailto:exim-users-admin@exim.org] On Behalf
> Of William Thompson
> Sent: Wednesday, June 18, 2003 3:00 PM
> To: Eli
> Cc: exim-users@???
> Subject: Re: [Exim] Syntax for a MySQL select true/false statement
>
>
> > I want to do a MySQL select to test something, but I don't
> really have any
> > useful data to return. It's a test to see if a user account has
> forwarding
> > enabled (or is an alias), or is a real account to receive
> actual delivery
> of
> > email. Right now I have:
> >
> > virtual_user:
> > driver = accept
> > domains = +virtual_domains
> > transport = virtual_delivery
> >
> > virtual_forward:
> > driver = redirect
> > no_expn
> > no_verify
> > check_ancestor
> > domains = +virtual_domains
> > data = ${lookup mysql{SELECT fwd
> FROM users
> WHERE
> > host = '${quote_mysql:$domain}' AND user =
> '${quote_mysql:$local_part}'
> AND
> > fwd IS NOT NULL}}
> >
> >
> > But when I send an email to an address that is supposed to
> forward email
> > (not receive delivery), it attempts to receive delivery
> anyways because it
> > just matched the virtual_user router settings first.
> >
> > I want to add something like:
> >
> > condition = ${lookup mysql{SELECT fwd FROM
> > users WHERE host = '${quote_mysql:$domain}' AND user =
> > '${quote_mysql:$local_part}'}}
>
> How about: ${lookup mysql{SELECT fwd FROM users WHERE host =
> '${quote_mysql:$domain}' AND user =
> '${quote_mysql:$local_part}'} {yes}
> {no}}
> ?
>
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>
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