No.
I tried this piece of code, it fails with the same error:
use DBI;
use Data::Dumper;
use strict;
my $dbh = DBI->connect('dbi:ODBC:TestingDB',"","",{RaiseError => 1, Au
+toCommit=>1}) || die "failed";
my $sth = $dbh->prepare("select cof_name, price from coffees") or die;
$sth->execute or die;
while (my $rows = $sth->fetchall_arrayref([0,1]), 3) {
last if ($#$rows < 0);
}
$dbh->disconnect();
And this does not explain why it works, if you change [0] to undef. Even if what you said is right, should not fetchall_arrayref gives user the same interface, with undef and [0].
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