message: update oracle test
diff: @@ -19,9 +19,12 @@ def oracle_url() -> str:
  )
  def test_on_non_select(oracle_url: str) -> None:
  query = "CREATE TABLE non_select(id INTEGER NOT NULL)"
  - df = read_sql(oracle_url, query)
  + read_sql(oracle_url, query)
  +@pytest.mark.skipif(
  + not os.environ.get("ORACLE_URL"), reason="Test oracle only when `ORACLE_URL` is set"
  +)
  def test_oracle_complex_join(oracle_url: str) -> None:
  query = "SELECT a.test_int, b.test_date, c.test_num_int FROM test_table a left join test_types b on a.test_int = b.test_num_int cross join (select test_num_int from test_types) c where c.test_num_int < 3"
  df = read_sql(oracle_url, query)
  