private static void testOrderByCluse(QueryBlock block) {
assertEquals(2, block.getSortKeys().length);
assertEquals("people.score", block.getSortKeys()[0].getSortKey().getQualifiedName());
assertEquals(true, block.getSortKeys()[0].isAscending());
assertEquals(false, block.getSortKeys()[0].isNullFirst());
assertEquals("people.age", block.getSortKeys()[1].getSortKey().getQualifiedName());
assertEquals(false, block.getSortKeys()[1].isAscending());
assertEquals(true, block.getSortKeys()[1].isNullFirst());
}
