Sterin, Ilya writes:
 > Well that's called forking.  Weather you implement yourself, or DBD's
 > implement for you, you still must fork or spawn a thread in order to do
 > anything while the processing in progress.

Actually you could do that if DBI (and the driver) supported
asynchronous calls...

Michael


 > -----Original Message-----
 > From: Giotto De Filippi
 > To: Sterin, Ilya; '[EMAIL PROTECTED] '
 > Sent: 8/9/01 8:22 AM
 > Subject: RE: background sql queries
 > 
 > No, I do not mean forking.
 > 
 > I want my program to be single threaded. What I want would be somehting
 > like:
 > 
 > $qh = $dbh->prepare("blabla");
 > $qh->execute;
 > 
 > while (!$qh->is_ready)
 > {
 >          print "SQL is busy processing your query, please wait...\n";
 > }
 > 
 > @results = $qh->fetchrow_array;
 > 
 > thanx for your help
 > 
 > At 08:16 AM 8/9/2001 -0600, Sterin, Ilya wrote:
 > >You mean forking???  You can do anything in the background by creating
 > >another process with fork().  You can also use Thread, though I don't
 > know
 > >how stable it is as of now.
 > >
 > >Also note that you will not achieve parallel processing unless you are
 > on a
 > >multi-processor system, but that's irrelevant to the simple task you
 > are
 > >trying to accomplish.
 > >
 > >Ilya
 > >
 > >-----Original Message-----
 > >From: Giotto De Filippi
 > >To: [EMAIL PROTECTED]
 > >Sent: 8/9/01 7:43 AM
 > >Subject: background sql queries
 > >
 > >(Sorry, may be a double post but I don't know if the other message went
 > >throught as I was still not registered)
 > >
 > >Hello,
 > >
 > >Can I do SQL background queries with DBI?
 > >
 > >like instead of doing ->prepare, ->execute and ->fetchrow_hashref
 > >something
 > >like ->is_ready, to do before fetchrow, so for example I could do other
 > >things with my perl program while it's waiting for the sql databsae to
 > >return the result.
 > >
 > >Thanx much
 > >
 > >Giotto
 > >
 > >
 > >
 > >----------------------------------------------
 > >Giotto De Filippi
 > >Web Marketer / Programmer
 > >E - Mail: [EMAIL PROTECTED]
 > >ICQ: 17988776
 > >----------------------------------------------
 > 
 > ----------------------------------------------
 > Giotto De Filippi
 > Web Marketer / Programmer
 > E - Mail: [EMAIL PROTECTED]
 > ICQ: 17988776
 > ----------------------------------------------

-- 
Michael Peppler - Data Migrations Inc. - http://www.mbay.net/~mpeppler
[EMAIL PROTECTED] - [EMAIL PROTECTED]
International Sybase User Group - http://www.isug.com

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