Test and Fix for #127 Exception using findIds() with inheritance

SINGLE_TABLE

src/test/java/com/avaje/tests/query/other/TestFindIdsWithInheritance.java

@@ -0,0 +1,31 @@
+package com.avaje.tests.query.other;
+
+import java.util.List;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.avaje.ebean.BaseTestCase;
+import com.avaje.ebean.Ebean;
+import com.avaje.tests.model.basic.Truck;
+import com.avaje.tests.model.basic.Vehicle;
+
+public class TestFindIdsWithInheritance extends BaseTestCase {
+
+  @Test
+  public void testQuery() {
+    
+    Truck truck = new Truck();
+    truck.setLicenseNumber("TK123");
+    
+    Ebean.save(truck);
+    
+    List<Object> ids = Ebean.find(Vehicle.class).findIds();
+    
+    Assert.assertNotNull(ids);
+    
+    Ebean.delete(truck);
+    
+  }
+  
+}