test_sql.py 文件源码

def test_pos_spec(self):
        s = sql.SQL("select {0} from {1}").format(
            sql.Identifier('field'), sql.Identifier('table'))
        s1 = s.as_string(self.conn)
        self.assertTrue(isinstance(s1, str))
        self.assertEqual(s1, 'select "field" from "table"')

        s = sql.SQL("select {1} from {0}").format(
            sql.Identifier('table'), sql.Identifier('field'))
        s1 = s.as_string(self.conn)
        self.assertTrue(isinstance(s1, str))
        self.assertEqual(s1, 'select "field" from "table"')