);
throws_ok (
+ sub { $sql->_order_by([ {-desc => 'colA', -asc => 'colB' } ]) },
+ qr/hash passed .+ must have exactly one key/,
+ 'Undeterministic order exception',
+);
+
+throws_ok (
sub { $sql->_order_by({-desc => [ qw/colA colB/ ], -asc => [ qw/colC colD/ ] }) },
qr/hash passed .+ must have exactly one key/,
'Undeterministic order exception',