code: public String calculateCacheKey(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability){
  		StringBuilder tmp = calculateCacheKeyInternal(sql, resultSetType,
  				resultSetConcurrency);
  
  		tmp.append(", H:");
  		tmp.append(resultSetHoldability);
  
  		return tmp.toString();
  	}
docs: Simply appends the given parameters and returns it to obtain a cache key
  @param sql
  @param resultSetConcurrency
  @param resultSetHoldability
  @param resultSetType
  @return cache key to use