i++;
}
}
private void pretty_print(PrintStream pout, HowlFieldSchema hfsch, String prefix) throws HowlException {
Category tcat = hfsch.getCategory();
if (Category.STRUCT == tcat){
pretty_print(pout,hfsch.getStructSubSchema(),prefix);
}else if (Category.ARRAY == tcat){
pretty_print(pout,hfsch.getArrayElementSchema(),prefix);
}else if (Category.MAP == tcat){