erm, you're right (re-tested that today) I don't know what happened the other day. The query updating the flag would not return until the test function was done. I must have made the test duration too short, so that it was only appearances. whatever, it works. thanks. WBL On Wed, Jul 6, 2011 at 2:36 PM, hubert depesz lubaczewski <depesz@xxxxxxxxxx> wrote: > On Wed, Jul 06, 2011 at 12:54:21PM +0200, Willy-Bas Loos wrote: >> I'd like to do a dirty read from plpgsql, so that i can stop the function >> that is in a long loop without rolling back the work that it did. >> All i want to read is a flag that says 'stop'. > > this doesn't need dirty read. > just read committed. > make table with flags, and insert there row which says "stop". make sure > the insert gets committed. > > every so often, in your function check flags in the table, and since the > change got committed - it will be visible, and function will stop. > > Best regards, > > depesz > > -- > The best thing about modern society is how easy it is to avoid contact with it. > http://depesz.com/ > -- "Patriotism is the conviction that your country is superior to all others because you were born in it." -- George Bernard Shaw -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
