Anthony,
Worked fine... Thanks very much... Marcello On Thursday, May 3, 2012 1:07:35 PM UTC-3, Anthony wrote: > > I believe the argument to Field.Virtual and Field.Lazy just needs to be a > callable object that takes a Row object as an argument, so you could write > a function and then pass that function. > > def myfield(row): > [code to generate field value from row object] > return value > > db.mytable.myvirtualfield = Field.Lazy(myfield) > > Anthony > > On Thursday, May 3, 2012 11:32:34 AM UTC-4, Marcello wrote: >> >> Hello, >> >> I need to implement a lazy field, that should have some lines of code, >> with some conditions... >> The new style example in the book, just have simple calculation fields... >> >> Can someone point me some example on it's syntax ?? >> >> I could make it with the old way, but would like to do with new style... >> >> >> Thanks >> Marcello >> >

