select.addSymbol(new ElementSymbol("y")); //$NON-NLS-1$
query.setSelect(select);
From from = new From();
from.addGroup(new GroupSymbol("h")); //$NON-NLS-1$
query.setFrom(from);
assertTrue(query.areResultsCachable());
//set y to be type of Blob or Clob
select = new Select();
ElementSymbol column = new ElementSymbol("y");//$NON-NLS-1$
column.setType(BlobType.class);
select.addSymbol(column);