On May 22, 1:53 am, Laszlo Nagy <gand...@shopzeus.com> wrote: > Here is the next problem. For boolean/logical fields, I can set their > value to True/False easily. However, setting NULL seems impossible: > > rec = tbl.newRecord() > rec["SOMEFIELD1"] = True # Works fine > rec["SOMEFIELD2"] = False # Works fine > rec["SOMEFIELD3"] = None # Will store False > rec["SOMEFIELD3"] = 0 # Will store False > rec["SOMEFIELD3"] = "" # Will store False > rec["SOMEFIELD3"] = chr(32) # Will store False > rec["SOMEFIELD3"] = chr(0) # Will store False > rec.store() > > Strange thing: if I do not set the value of a numeric field, it becomes > NULL. The same thing I cannot do for logical fields: if I do not set the > value of a logical field, it becomes an invalid value, denoted with a > question mark.
That's not "invalid", it *is* "NULL" according to DBF convention. -- http://mail.python.org/mailman/listinfo/python-list