SPUG: while question
Dan Ebert
mathin at mathin.com
Tue Sep 16 12:33:56 CDT 2003
I think you could use:
while( my @data = $sth->fetchrow_array) {
}
Dan.
On Tue, 2003-09-16 at 10:09, Peter Darley wrote:
> Folks,
> I have yet another stupid question:
>
> I regularly get data out of a DBI statement handle by doing:
>
> while ($MyData = $sth->fetchrow())
> {
> stuff
> }
>
> This falls down when the data returned from the statement is '0', since
> it's not true, and the while breaks. I've tried while (defined $MyData =
> $sth->fetchrow()), but this is not syntacticly correct, and would break on a
> database NULL (which is undef in perl) anway. I can do something like while
> ($MyRef = $sth->fetchrow_hashref()) {$MyData = $$MyRef{datapoint}; stuff},
> but I'm not too fond of that. Does anyone have a suggestion on a better way
> to construct this loop?
>
> Thanks,
> Peter Darley
>
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