fromolap.groupingfunctionimportGroupingFunctionTestCaseclassGroupingFunctionTests(GroupingFunctionTestCase):''' @tags SplitAgg HAWQ ORCA @product_version gpdb: [4.2.6.0-9.9.99.99] , hawq: [1.1.4.0-9.9.99.99] this test is designed to test grouping functions '''sql_dir='sql/'ans_dir='expected/'out_dir='output/'