--- /dev/null
+package # hide from PAUSE
+ DBICTest::Schema::NoPrimaryKey;
+
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table('noprimarykey');
+__PACKAGE__->add_columns(
+ 'foo' => { data_type => 'integer' },
+ 'bar' => { data_type => 'integer' },
+ 'baz' => { data_type => 'integer' },
+);
+
+__PACKAGE__->add_unique_constraint(foo_bar => [ qw/foo bar/ ]);
+
+1;