Am Sonntag, 8. Oktober 2006 17:26 schrieb Phil Thompson: > On Saturday 07 October 2006 12:13 pm, Hans-Peter Jansen wrote: > > Hi Phil, > > > > here's is a nasty problem with using a custom QSqlCursor on a > > QDataTable, I didn't found a workaround yet (other than avoiding > > this all together, which isn't a feasible option here): > > > > Whenever the update() and delRecords() methods on the parent class > > are called, they show recursive behavior, just like (wrongly) > > calling self.update(invalidate) in the custom QSqlCursor class. > > > > Another aspect on this problem is, that QDataTable insists on a 3 > > arg signature when calling sqlCursor().update(), but the base class > > must be called with the 2 arg variant. > > > > Your update() will be called for both of the C++ signatures. Your > code doesn't seem to be doing enough parsing of the argument types to > work out which one it is.
Stupid me. Thanks for the hint. Next time, I hopefully remember this!
For the sake of completeness, I've attached the corrected script..
Bye,
Pete
qdatatablewithsqlcursorsubclass.py
Description: application/python
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