List<SortColInfo> colList = new ArrayList<SortColInfo>();
SortColInfo col1 = new SortColInfo("f1", 0, SortColInfo.Order.ASCENDING);
SortColInfo col2 = new SortColInfo("f1", 1, SortColInfo.Order.DESCENDING);
colList.add(col1);
colList.add(col2);
SortInfo sortInfo = new SortInfo(colList);
ResourceSchema rsSchema = new ResourceSchema(origSchema, sortInfo);
Schema genSchema = Schema.getPigSchema(rsSchema);
assertTrue("generated schema equals original",