column1.setMaxLength(10);
dbEntity.addAttribute(column1);
DbAttribute column2 = new DbAttribute("NEWCOL4", Types.VARCHAR, dbEntity);
column2.setMandatory(false);
column2.setMaxLength(10);
dbEntity.addAttribute(column2);
assertTokensAndExecute(node, map, 2, 0);
// check that is was merged
assertTokensAndExecute(node, map, 0, 0);