use strict;
-use warnings;
+use warnings;
use Test::More;
+use Test::Warn;
use Test::Exception;
use lib qw(t/lib);
use DBICTest;
is($rs_year->first, 1999, "first okay");
+warnings_exist (sub {
+ is($rs_year->single, 1999, "single okay");
+}, qr/Query returned more than one row/, 'single warned');
+
# test +select/+as for single column
my $psrs = $schema->resultset('CD')->search({},
{