Hi Kevin, Sorry, that's the wrong way around. I should have said: > > Your BEFORE UPDATE trigger could leave the "synced" value in NEW > alone if force_sync was **true**, and set "synced" to false > otherwise. It could then set NEW.force_sync to false, to leave you > ready for the next update. >
Thanks for your advice (and the patience on this list in general). Instead of using two columns, I now use an integer-column and set it to a value taken from an incrementing sequence. Thanks again, Clemens
