On 2016-04-30 02:08, wolfgang@xxxxxxxxxxxxx wrote: > Hi, > > I have a table with a row update trigger that is quite slow. > The trigger finction basically sets some bits in a "changed" column > depending on which values really changed. > For some bulk updates it can be determined in advance that the > trigger function will not have any effect. > Is there any way to run an update query and specify that it should not > activate the trigger. > I know that I can disable the trigger and reenable it later; > however other concurrent updates mights need it I always disable the trigger, run the update, and enable the trigger within a transaction. This locks the table and will prevent other sessions from doing updates without the trigger (I run it during off-hours if it is going to take more time than is acceptable). -- Stephen -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general