code: @Test public void testSubColumnQuery(){
    String cf="Super1";
    TestCleanupDescriptor cleanup=insertSuperColumns(cf,1,"testSubColumnQuery",1,"testSubColumnQuerySuperColumn");
    SubColumnQuery<String,String,String,String> q=createSubColumnQuery(ko,se,se,se,se);
    q.setSuperColumn("testSubColumnQuerySuperColumn0").setColumn("c000").setColumnFamily(cf);
    QueryResult<HColumn<String,String>> r=q.setKey("testSubColumnQuery0").execute();
    assertNotNull(r);
    HColumn<String,String> c=r.get();
    assertNotNull(c);
    String value=c.getValue();
    assertEquals("v000",value);
    String name=c.getName();
    assertEquals("c000",name);
    q.setColumn("column doesn't exist");
    r=q.execute();
    assertNotNull(r);
    c=r.get();
    assertNull(c);
    deleteColumns(cleanup);
  }
  