def METHOD_NAME(self):
    issues = [(49401, 'cmax', "extra", [1,2]),
              (49401, 'cmax', "extra", [1,2]),
              (49403, 'cmax', "extra", [2,3]),
              (49405, 'cmax', "extra", [2,3])]
    self.subject = RepairMissingExtraneous(self.catalog_table_obj, issues, "attrelid")
    repair_sql_contents = self.subject.get_segment_to_oid_mapping(self.all_seg_ids)
    self.assertEqual(len(repair_sql_contents), 3)
    self.assertEqual(repair_sql_contents[1], set([49401]))
    self.assertEqual(repair_sql_contents[2], set([49401, 49403, 49405]))
    self.assertEqual(repair_sql_contents[3], set([49403, 49405]))