On Thu, 5 Jul 2001, Tom Lane wrote:
Ryan Mahoney [EMAIL PROTECTED] writes:
Re: killing a process from browser, I don't think what you're trying to do
is really possible.
If the client-side code were programmed to send a Cancel request to the
backend when the user loses interest, then the right things would
happen. I am not sure how practical that is though; does the web server
even find out about it when the user presses Stop in a typical browser?
(If not, you can hardly expect Postgres to somehow intuit what happened
two protocols away ;-).)
Webserver definitely finds out. (Socket gets closed by client). The real
question is, how does webserver signal this fact to a
CGI/mod_perl/jsp/whatever web application. For CGI, _i believe_ the
standard is that webserver will SIGHUP the application, and app can do
whatever cleanup it needs. For other interfaces, I really don't know.
-alex
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