Re: Cancelling Queries - Mailing list pgsql-sql

From Bruce Momjian
Subject Re: Cancelling Queries
Date
Msg-id 200303071826.h27IQc205082@candle.pha.pa.us
Whole thread Raw
In response to Re: Cancelling Queries  (jasiek@klaster.net)
List pgsql-sql
Libpq has PQrequestCancel() which does cancels, but I don't see it in
DBD.  Maybe someone can make a patch.  ;-)

---------------------------------------------------------------------------

jasiek@klaster.net wrote:
> On Thu, Mar 06, 2003 at 06:25:29PM -0500, Mark Mitchell wrote:
> > I have a Perl program that executes PostgreSQL queries through DBI.
> > Is there any way to cancel a query once its started. If I could at least
> > somehow get the PID of the child process postmaster starts I could kill
> > that.
> > 
> > This may be a better question for the Perl programming list but I
> > thought I'd ask you guys too
> > 
> > Mark Mitchell
> Use transactions.
> Just before query finish you can confirm query (commit) or cancel it
> (rollback)
> 
> Regards,
> Tomasz Myrta
> 
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