On Mon, Jan 31, 2011 at 08:39:40PM +0000, Martin J. Evans wrote: > I imagine most DBDs [if not all] that implement execute_array
[Just a reminder that drivers can opt to implement just execute_for_fetch() and use the DBI's default execute_array() method, which then calls execute_for_fetch().] > themselves) the rows affected will be -1 per execute (as the driver > does not know affected rows) and so I'd expect $rows to be -1 and > not 18. DBI gets away with this as it does an execute for each row > and hence knows the rows affected as the return from each execute. > The statement saying sum of affected rows should not sum a load of > -1s affected to be -N. Yes. The spec ought to say that if any tuple gets a -1 then -1 gets returned as the 'sum', even if other tuples return other values. Tim.
